Terms · 完整语法术语索引 | English Grammar

跳转 → ⓪ 十大词类动词分类短语 vs 从句五大句型句子成分时态(12+3) 语态(8) 情态动词(11) 非谓语(10) 名词性从句定语从句状语从句虚拟语气倒装/强调/省略/it 比较与并列独立成分 ⑯ 补充语法 86–106 ⑰ 语篇衔接 · Cohesion

这一页是整本「学英文语法」教材的术语索引。每个语法点都有:中英定义 + 拆解页 S-NN 例句 + 关键说明。看到不懂的从 breakdown 跳过来。

⓪ 十大词类 · Parts of Speech

每个英文词,都属于以下 10 类之一。识别词类是看懂句子的第一步。

1. 名词 · Noun

一句话: 表示「人 / 事 / 物 / 地点 / 抽象概念」的词。回答「什么 / 谁」。

详细: 名词是英语句子里出现频率最高、承担成分最多的词类。一切「能被指代、能被计数、能被冠词修饰」的对象,在英语里都是名词。它是句子的「主角」,谓语动词、形容词、定语都是围绕它来工作的。

位置 / 用法: 名词在句中可作 6 种成分 — 主语(Money tells a story)、宾语(signed the Coinage Act)、表语(The dollar is a currency)、宾补(elected him president)、定语(silver dollar / gold standard)、同位语(Hamilton, the founder)。

中英对照: 中文名词无单复数变化(「我有一本书」「我有十本书」名词都是「书」),英文名词必须区分(book / books)。中文不可数概念可以加量词(「一杯水」),英文要么用 some / a lot of 等修饰,要么用复数化的容器(two glasses of water)。中国学生最容易漏掉「s」 — 「I have many book」是典型错。

分类(4 种):
① 可数名词(Countable):有单复数,dollar / dollars,colony / colonies
② 不可数名词(Uncountable):无复数,gold / inflation / confidence / authority
③ 专有名词(Proper):首字母大写,Hamilton / Bretton Woods / the Federal Reserve
④ 抽象名词(Abstract):情感、概念、品质,trust / oratory / panic / faith

易混淆: 名词 vs 动名词(gerund) — 动名词是动词加 -ing 后充当名词(returning to the gold standard),它本身仍带动作意味,后面可以接宾语;而纯名词不能接宾语。区分点:能否接宾语。

中国学生常见错误:
✗ I have many book(漏复数 s)
✓ I have many books
✗ I drank two waters(water 不可数,不能直接复数)
✓ I drank two glasses of water

课文例句:
① S-001 Money(抽象不可数) / story(可数) / dollar(可数,用 the 特指)
② S-005 reales(专有 + 复数) / colonies(可数复数) / century(可数,a/the 修饰)
③ S-029 bullion bars / Fort Knox(专有名词)

2. 代词 · Pronoun

一句话: 用来替代名词的词,避免重复。本质上是「指针」 — 指向上文已出现的人或物。

详细: 代词承担英语「语篇衔接」的核心功能。母语者在同一段落内反复指代同一对象时,大约 70% 用代词承担,只在新段落开头或语义需要强调时才回到全名。代词使用的熟练度,直接决定写作的「英语感」。

位置 / 用法: 代词所占的句法位置和它替代的名词完全相同 — 可作主语(He / She / It)、宾语(him / her / it)、所有格(his / hers / its)、表语(It is he)、关系代词引导从句(the man who came)等。

中英对照: 中文代词常被省略(「张三说他要去」中的「他」可以省略变成「张三说要去」),英文代词不能省 — 主语位置必须有词,即使是占位 it / there。中文「他、她、它」三者读音相同(tā),英文必须明确 he / she / it,且性别 / 物体严格区分。

分类(7 类):
① 人称代词:I / you / he / she / it / we / they(主格) · me / him / her / us / them(宾格)
② 物主代词:my / your / his / her / its / our / their(限定型) · mine / yours / his / hers / ours / theirs(独立型)
③ 反身代词:myself / yourself / himself / herself / itself / ourselves / themselves
④ 指示代词:this / that / these / those
⑤ 不定代词:some / any / all / both / each / every / no one / everyone / something
⑥ 关系代词:that / which / who / whom / whose(引导定语从句)
⑦ 疑问代词:what / who / which / whose(疑问句)

易混淆: that 三种身份 — ① 指示代词(That is mine);② 关系代词(the book that I bought);③ 从属连词(He said that ...)。看上下文判断它在句子里做什么。
it 三种用法 — ① 真代词(It = the dollar);② 形式主语(It is essential that ...);③ 形式宾语(I find it impossible)。

中国学生常见错误:
✗ Between you and I(I 是主格,介词后必须用宾格)
✓ Between you and me
✗ The dollar, who is the world's reserve(物用 who 错)
✓ The dollar, which is the world's reserve

课文例句:
① S-008 人称 he — 回指上文 shopkeeper
② S-035 形式宾语 it — 真宾语在后(found it impossible to ...)
③ S-076 人称 it — 指代主题词 the dollar
④ S-009 关系代词 that / which — 引导定语从句

3. 动词 · Verb

一句话: 表示「动作或状态」的词。是句子的引擎 — 一句话至少有一个动词,这个动词决定句子的全部时间、语态、语气。

详细: 在英语里,谓语必须由限定动词(finite verb)承担,即「动词被时态、人称、单复数明确标记」的形式。动词不仅表达动作(run, signed),还包括状态(is, seems)、感知(believe, see)、抽象关系(belong, contain)。

位置 / 用法: 谓语动词通常紧跟主语之后(SV / SVO 句型);疑问句、倒装句中助动词 / be 动词前移(Did he go? / Never had I seen ...);非谓语形式(动名词、不定式、分词)可放置在更多位置。

中英对照: 中文动词无形态变化 —「我去」「他去」「我们昨天去」动词都是「去」。英文动词必须按时态、人称、数变化(go / goes / went / gone / going)。中文一句话可以连用多个动词(「我去吃饭」),英文必须有明确主从关系或并列连接(I go to eat / I will go and eat)。

分类(按功能 4 大类):
① 实义动词:有具体语义,signed / built / circulated / borrowed
② 系动词:无实义,连接主语和表语,is / was / become / seem / look / feel / remain
③ 助动词:辅助构造时态 / 语态 / 否定 / 疑问,be / have / do / will / shall
④ 情态动词:表「可能 / 必须 / 允许 / 建议」,can / may / must / should / would / might / could
详细分类见 ⓪.5 动词分类章节。

易混淆: 动词 vs 动名词 vs 不定式 — 同一个词根可有 3 种形式:run(动词原形)/ running(动名词,作名词)/ to run(不定式,作名词或副词)。三者位置不同、功能不同。

中国学生常见错误:
✗ He go to school(第三人称单数漏 s)
✓ He goes to school
✗ I am studying English for 5 years(应该用现在完成进行时)
✓ I have been studying English for 5 years

课文例句:
① S-003 实义及物 signed(签署)— SVO 句型核心
② S-014 系动词 was — 后接表语 the Resumption Act
③ S-029 助动词 had — 构造使役 have something done
④ S-068 4 助动词 will have been generating — 将来完成进行时

4. 形容词 · Adjective

一句话: 修饰名词或代词的词。回答「什么样的」。young, silver, central, fragile, durable。

详细: 形容词描述名词的性质、状态或属性。它在句中只承担两种核心角色 — 定语(放在名词前)或表语 / 补语(放在系动词或宾语后)。形容词有比较级和最高级,用以表达「程度差异」。

位置 / 用法:
① 定语位置:形容词单词级 → 名词前(young republic, silver dollar)
② 表语位置:系动词后(The dollar is fragile)
③ 宾补位置:宾语后(make the dollar safe)
④ 后置定语:某些固定搭配 / 修饰人称代词(something important, the only book available)

中英对照: 中文形容词作定语必加「的」 —「红色的车」;英文不加,直接 red car。中文形容词修饰序无强约束,英文有严格的形容词序:观点-大小-年龄-形状-颜色-来源-材料-用途(a beautiful small old round black wooden Chinese dining table)。中国学生写作时容易乱排序。

形态(比较 / 最高):
① 规则单音节:tall / taller / tallest;cold / colder / coldest
② 规则多音节:beautiful / more beautiful / most beautiful
③ 不规则:good / better / best;bad / worse / worst
④ 双音节 -y 结尾:happy / happier / happiest(去 y 加 ier)
⑤ 复合形容词:debt-stricken / well-known / heart-breaking(连字符连)

易混淆: 形容词 vs 副词 — 形容词修饰名词(a fast car),副词修饰动词(He runs fast)。许多形容词加 -ly 变副词(quick → quickly),但有些 -ly 词本身是形容词(friendly, lovely)。判断方法:看它修饰谁。

中国学生常见错误:
✗ I am very like English(like 是动词,不能用 very 修饰)
✓ I like English very much
✗ He is more taller than me(taller 已是比较级,不再加 more)
✓ He is taller than me

课文例句:
① S-002 定语 young republic / first silver dollar(序:数-质-名)
② S-077 表语 how fragile, how durable(系动词 turn out 后)
③ S-016 复合 debt-stricken farmers(连字符复合定语)
④ S-102 宾补 safe(considered the dollar safe)

5. 副词 · Adverb

一句话: 修饰动词、形容词、其他副词或整句的词。回答「怎样 / 何时 / 何地 / 多频繁 / 多大程度」。

详细: 副词比形容词的修饰范围广得多 — 它可以修饰几乎所有非名词成分。其中最特殊的一类是语篇副词(indeed / however / therefore),它不修饰具体词,而是修饰整句,标记句子之间的逻辑关系,是高级写作的标志。

位置 / 用法: 副词位置灵活 — 可在句首(Indeed, the dollar held)、句中(He quickly understood)、句尾(He spoke quietly)。频率副词(always / never)通常在助动词之后、实义动词之前。语篇副词通常用逗号隔开。

中英对照: 中文副词常用「地」字标记(轻轻地、慢慢地),英文用 -ly 后缀(quietly, slowly)。但许多英文副词不加 -ly(today, here, fast, hard, well)。中文副词位置较固定(状语在动词前),英文位置非常灵活,可前可后可中。

语义类型(6 大类):
① 时间:today / yesterday / now / then / often / lately / ever / never
② 地点:here / there / abroad / ahead / inside / outside
③ 方式:quietly / smoothly / deeply / paradoxically / unanimously
④ 程度:very / quite / rather / almost / nearly / extremely / barely
⑤ 频率:always / often / sometimes / rarely / never / occasionally
⑥ 语篇 / 评价:indeed / however / therefore / moreover / paradoxically / surprisingly

易混淆: good vs well — good 是形容词(I am good),well 是副词(I sing well)。但 well 也可作形容词意为「健康」(I feel well = 我身体好)。
hard vs hardly — hard 副词「努力地」(work hard),hardly 副词「几乎不」(I hardly know him)。完全反义,中国学生最易错。

中国学生常见错误:
✗ He runs very quick(quick 是形容词)
✓ He runs very quickly
✗ I hardly worked all night(hardly = 几乎不,与原意相反)
✓ I worked hard all night

课文例句:
① S-018 时间 still echoes(至今仍回响)
② S-022 程度 almost overnight(几乎一夜之间)
③ S-056 语篇 Indeed(诚然 — 承上启下)
④ S-091 语篇 paradoxically(悖论的是 — 立场表态)

6. 介词 · Preposition

一句话: 放在名词或代词之前的小词。和后面的名词构成「介词短语」,表达「在哪里 / 朝哪儿 / 用什么 / 因为什么」。

详细: 介词本身没有实义,但它后面带的名词(称为「介词宾语」)构成的整个短语,在句子里可以承担状语、定语、表语、宾补等多种角色。英语介词有约 100 个,但常用的不到 30 个。介词的难点不是认识它,而是选用哪一个(in / on / at 时间区分,by / with / through 方式区分)。

位置 / 用法: 介词必须有「介词宾语」(后面跟名词 / 代词宾格 / 动名词)。介词短语整体作:
① 状语(主流用法):in 1792 / at the Philadelphia mint
② 定语:the dollar of varying purity
③ 表语:The book is on the table
④ 介词可以前置(prep fronting):in which / with whom — 正式书面语

中英对照: 中文介词数量少且语义模糊(在、于、向、对、从),英文介词数量多且语义精细(at / in / on / by / with / for / from / of / about / through / under / over / between / among / against / despite ...)。中国学生最大盲区是「介词搭配」 — depend ON、wait FOR、look AT,不是凭直觉,需要背。

常见介词分组:
① 时间:at(点)/ on(日)/ in(月年)/ since(自从)/ until(直到)/ during(期间)/ by(到...时为止)
② 地点:at(点)/ in(范围)/ on(表面)/ over / under / between / among
③ 方向:to / from / into / onto / through / across / along
④ 方式 / 工具:by(人 / 交通)/ with(工具)/ in(语言)
⑤ 原因 / 让步:because of / due to / despite / in spite of

易混淆: in / on / at 时间 — at 6 o'clock(精确点)/ on Monday(日)/ in May(月)/ in 2008(年)。
between vs among — between 用于「两者之间」(between you and me),among 用于「三者或更多」(among the crowd)。

中国学生常见错误:
✗ I will discuss about this(discuss 已含"about"义,不再加)
✓ I will discuss this
✗ He arrived to Beijing(arrive 用 in / at,不用 to)
✓ He arrived in Beijing

课文例句:
① S-009 介词前置 of which 371.25 grains were pure silver(of 提到 which 之前,正式书面)
② S-016 动名词宾 By insisting on free silver(by + V-ing)
③ S-020 多重介词 by the Bureau / under Federal Reserve authority
④ S-039 兑换义 demanding bullion for its dollars

7. 连词 · Conjunction

一句话: 连接词、短语或分句的词。是句子的「胶水」,让多个成分粘成一个整体。

详细: 连词分两大类 — 并列连词(coordinating)连接对等成分(同主语 / 同宾语 / 同分句),从属连词(subordinating)引出从句,让从句作主句的宾语 / 状语 / 定语。两者用法完全不同,中国学生最大错误就是把它们混用(although ... but ...)。

位置 / 用法: 并列连词放在两个对等成分之间(A and B / A but B);从属连词放在从句的开头(although X, ... / because X, ... / when X, ...)。从属连词引出的从句可以前置(逗号隔开)或后置。

中英对照: 中文里「虽然...但是...」「因为...所以...」是配对必出的,英文则二选一不能同出(although 和 but 不能同时;because 和 so 不能同时)。这是中国学生最常见的语法 transfer 错误。

分类(3 大类):
① 并列连词 (Coordinating) — FANBOYS:For / And / Nor / But / Or / Yet / So。连接对等成分。
② 从属连词 (Subordinating):that / whether / if / because / since / as / when / while / before / after / until / once / although / though / unless / provided / as if / so that / in order that。引导从句。
③ 相关连词 (Correlative):both...and / either...or / neither...nor / not only...but also / whether...or / no sooner...than。成对出现,强调关系。

易混淆: so 三种身份 — ① 并列连词「所以」(I am tired, so I rest);② 副词「如此」(so beautiful);③ 替代「这样」(I think so)。
like vs as — like 是介词「像」(like a king),as 是连词「作为 / 当...时」(as a teacher / as I said)。

中国学生常见错误:
✗ Although it was raining, but I went(中文搬过来)
✓ Although it was raining, I went 或 It was raining, but I went
✗ Because I was sick, so I stayed home
✓ Because I was sick, I stayed home 或 I was sick, so I stayed home

课文例句:
① S-049 并列 yet bond traders cheered(转折,书面语,比 but 雅致)
② S-027 并列 Nor did the country recover(否定续接 + 倒装)
③ S-018 从属 Although Bryan lost the election(让步从句)
④ S-051 相关 not only ... but also ...(递进)
⑤ S-023 相关 Both ... and ...(并列双主语)

8. 冠词 · Article

一句话: 放在名词前,告诉读者「这个名词是哪一个」。仅 3 种:the(特指)、a / an(泛指)、零冠词(不加)。

详细: 冠词是英语里最小、最频繁、最难的词类之一。中文没有冠词,中国学生最大盲区。它的核心规则是「讲话人和听话人是否都已经知道这是哪一个」 — 都知道用 the,只讲话人知道(新引入)用 a/an,讲泛化抽象用零冠词。

位置 / 用法: 冠词必须在名词短语最前面 — 放在限定词、形容词、名词这些之前(the young republic / a credible reserve currency)。一个名词短语只允许有一个冠词或限定词,不能 the my book。

中英对照: 中文用「这 / 那 / 一个」表达类似功能,但不强制 — 可以说「我买书」也可以说「我买了一本书」。英文则强制 — 可数名词单数前必须有冠词或限定词,不能光秃秃地 I have book(必须 a book / the book / my book)。

三类详解:
① 定冠词 the — 双方都知道的「那个」
  · 上文已提:I bought a book. The book is good.
  · 唯一性:the sun, the Federal Reserve, the Pacific Ocean
  · 限定从句修饰:the dollar that Hamilton designed
② 不定冠词 a / an — 新引入的「一个」
  · a 用于辅音音素前:a story / a university(yu 是辅音音素)
  · an 用于元音音素前:an attempt / an hour(h 不发音)
③ 零冠词 — 不加
  · 不可数名词泛指:Money tells / gold standard
  · 可数名词复数泛指:tobacco notes, Spanish coin
  · 专有名词(多数):Hamilton, Bretton Woods(但 the Federal Reserve / the United States 例外)

易混淆: 专有名词加不加 the — 国家、机构通常加 the(the United States, the Bureau of Engraving),但人名、城市、单一国家通常不加(Hamilton, London, China)。规则不绝对,需要逐个记忆。

中国学生常见错误:
✗ I have book(可数单数必须有冠词)
✓ I have a book 或 I have the book
✗ The Mary is my sister(人名前不加 the)
✓ Mary is my sister
✗ I went to school by the car(交通方式 by + 零冠词)
✓ I went to school by car

课文例句:
① S-001 同句两种:a story(新引入) / the dollar(全文已知)
② S-007 零冠词复数 tobacco notes, Spanish coin
③ S-019 唯一性 the Panic of 1907 / the conviction(单一历史事件)
④ S-022 不定冠词 a credible reserve currency(新身份首次定义)

9. 限定词 · Determiner

一句话: 一组放在名词前、限定其「数量 / 归属 / 远近」的词。冠词是限定词的子集,但限定词还包含更多。

详细: 限定词是英语语法的现代分类术语 — 把所有「指定哪一个」的词归为一类。它和形容词不同:形容词描述「什么样」,限定词指定「哪一个 / 多少个 / 谁的」。一个名词短语通常只允许一个限定词在最前面。

位置 / 用法: 限定词位于名词短语的最前端(冠词、限定词都不能并列,只能取一)。后续可以接形容词、名词:the + young + republic / my + first + book / this + silver + dollar。

中英对照: 中文用「这 / 那 / 我的 / 每个 / 所有」也表达限定,但不强制连用。英文一旦使用可数单数名词,必须有限定词。中文「我书」是病句,但中文写作里更常说「我的书」也可以省略说「书」 — 英文不允许这种省略。

分类(5 大组):
① 冠词:a / an / the(详见 ⑧ 冠词)
② 指示限定:this / that / these / those — 远近指代
③ 物主限定:my / your / his / her / its / our / their — 归属
④ 不定限定:every / each / some / any / all / no / both / either / neither / much / many / few / several / such
⑤ 数词限定:基数(one / two / three / 1792)+ 序数(first / second / third)

易混淆: some vs any — some 用于肯定 / 主动期待肯定回答的疑问句(Would you like some coffee?);any 用于否定 / 真正不确定的疑问句(Do you have any books?)。
few vs a few — few 表「几乎没有」(否定意),a few 表「有一些」(肯定意)。one-letter 之差,语义反转。

中国学生常见错误:
✗ The my book(冠词和物主限定不能并存)
✓ my book 或 the book
✗ I have few books, so I read often(few = 几乎没有,语义错)
✓ I have a few books, so I read often

课文例句:
① S-007 不定 every day money / even gold dust(每一种 / 甚至)
② S-026 复合限定 such a shock / an entire generation
③ S-046 相关限定 Either ... or ...(必要选择)
④ S-009 数词 416 grains / 371.25 grains

10. 感叹词 · Interjection

一句话: 独立的情感表达词,语法上不与句子其余部分构成关系。Ah / Oh / Alas / Wow / Ouch / Hush。

详细: 感叹词是英语词类中最特殊的一类 — 它不参与句子的语法结构,纯粹表达说话人的即时情感(惊讶、痛苦、叹息、欢乐)。在书面语中常与正文用逗号、破折号、感叹号隔开。它在文学作品和口语中常见,在论说文中罕见。

位置 / 用法: 感叹词通常位于句首,后跟逗号或破折号,引出主句。在叙事性散文中可承担「叙述者声音介入」的修辞功能(如本课文 S-079)。

中英对照: 中英感叹词大致对应 — 中文「啊」「哦」「呀」「哎」对应英文 Ah / Oh / Hey / Alas。但语义和语用强度不同,直译可能失味。母语者 Wow / Wow! 在不同语境差别极大。

常见感叹词分组:
① 惊讶 / 强调:Wow / Oh / Hey / Goodness / Indeed(也作语篇副词)
② 痛苦 / 烦恼:Ouch / Alas / Oh dear
③ 呼唤 / 唤起注意:Hey / Hi / Hello / Hush(嘘 — 安静)
④ 叹息 / 沉思:Ah / Oh well / Sigh
⑤ 欢呼 / 庆贺:Hooray / Yay / Bravo / Cheers

易混淆: 感叹词 vs 语篇副词 — Indeed 既可作感叹词(独立)也可作语篇副词(承上启下)。区别在于上下文:句首独立、表达情感 = 感叹词;句首引出推论 = 语篇副词。

中国学生常见错误: 在正式论说文里滥用感叹词。母语者论说写作里几乎不用 Wow / Oh,这些只用在叙事或口语转写里。中国学生为表达情感经常误加,显得不专业。

课文例句:
① S-079 Ah — 与后续句子用破折号隔开,叙述者的沉思介入

⓪.5 动词分类 · Types of Verbs

动词是句子的发动机。按"携带语义"和"是否带宾语",可分以下几大类。

1. 实义动词 · Lexical Verb

一句话: 携带具体语义的主动词。是句子真正讲「做了什么 / 是什么样」的那个词。

详细: 实义动词是句子的语义核心,与之相对的是「助动词」(辅助构造时态)和「系动词」(只起连接作用)。每一个完整的英语句子里至少有一个实义动词,它单独承载意义,助动词和系动词只是它的辅助。

位置 / 用法: 实义动词通常在主语之后(SV / SVO 句型),作谓语。在多助动词的复杂时态里,实义动词永远排在最末尾,前面所有的助动词都为它服务(will have been generating — generating 才是实义)。

中英对照: 中文「我看了那本书」中的「看」是动作核心,直接对应英文 read。但英文要把这个动作精确化成 read / have read / had read / will read / am reading 等不同形式 — 实义动词不变(read),只是它前面的助动词变。

形态变化(5 种):
① 原形:sign(动词原形,不定式去掉 to 的形式)
② 第三人称单数:signs(主语 he/she/it 时)
③ 过去式:signed(规则)/ went / saw(不规则)
④ 过去分词:signed / gone / seen(用于完成时和被动)
⑤ 现在分词 / 动名词:signing(用于进行时和动名词)

易混淆: 实义动词 vs 系动词 — 同一个词如 look,既可作系动词(He looks tired = 后接形容词描述主语),也可作实义动词(He looks at me = 后接介词宾语)。判断方法:看后面是表语还是宾语。

中国学生常见错误:
✗ I have eat lunch(have 后必须是过去分词,不是原形)
✓ I have eaten lunch
✗ He always study late(三单漏 s)
✓ He always studies late

课文例句:
① S-003 及物 signed(签署) — Hamilton 的核心动作
② S-022 实义 + 宾补 made ... emerge(战争使美元崛起)
③ S-068 4 助动词后实义 generating(将来完成进行)

2. 系动词 · Linking Verb

一句话: 不携带具体语义,只起连接作用 — 把主语和它的「描述」(表语)挂在一起:X is/becomes/seems Y。

详细: 系动词是英语 SVC 句型的核心。它本身不表「做」,只表「是 / 变成 / 看起来 / 保持」。系动词后面跟的不是宾语(动作受体),而是表语(主语状态描述) — 这是和实义动词最根本的区别。

位置 / 用法: 系动词夹在主语和表语中间(S + 系 + C 句型)。表语可以是形容词(seem prudent)、名词短语(was the Resumption Act)、介词短语(is in trouble)、不定式(seem to know)。

中英对照: 中文「他高」「她漂亮」「天黑了」常常省略系动词,英文必须写 He is tall / She is beautiful / It got dark。中国学生最大盲区:漏掉 be 动词。「I tired」是病句,必须 I am tired。

常见系动词(分 5 类):
① be 系列:am / is / are / was / were / been / being(最核心)
② 变化类(成为):become / get / grow / turn / go / come / fall(He went bankrupt)
③ 感官类(看 / 听 / 摸 / 尝起来):look / sound / feel / taste / smell + 形容词
④ 持续类(保持):remain / stay / keep / continue + 形容词
⑤ 显示类(似乎 / 显得):seem / appear / prove / turn out + 形容词

易混淆: look 双身份 — 系动词:He looks tired(他显得疲惫)。实义动词:He looks at me(他看着我)。后接形容词是系动词,后接介词是实义。
系动词后用形容词不是副词 — He feels bad(✓ 系 + 形)/ He feels badly(✗ 错)。这是中国学生最常见错。

中国学生常见错误:
✗ I tired today(漏 be 动词)
✓ I am tired today
✗ The flower smells sweetly(系 + 副词)
✓ The flower smells sweet
✗ He becomes angrily
✓ He becomes angry

课文例句:
① S-014 系 was + 表语 the Resumption Act(强调句结构)
② S-015 系 seemed + 双表语 prudent / ruinous
③ S-026 系 was + 表语 such a shock(SVC + that 强调)
④ S-049 变化系 went + 表语 bankrupt(变得破产)

3. 助动词 · Auxiliary Verb

一句话: 不携带主要语义,只辅助实义动词构造时态 / 语态 / 否定 / 疑问 / 强调的「工具词」。

详细: 助动词是英语时态系统的「拼装零件」 — be / have / do 三大基础助动词组合不同实义动词形式,可以构造英语全部 12 种时态 + 8 种语态 + 各种否定、疑问、倒装、强调形式。掌握助动词等于掌握了英语句子的「机械原理」。

位置 / 用法: 助动词通常紧贴主语之后、实义动词之前(He has signed)。在疑问句和倒装句里助动词跑到主语前(Has he signed? / Never did the country recover)。在多重时态里,多个助动词排成链(will + have + been + V-ing,共 4 个助动词带 1 个实义)。

中英对照: 中文没有真正的助动词。中文表完成靠「了 / 过」(我看过了),表进行靠「正在」(我正在看),表被动靠「被」(被看见)。英文必须用 has / had / is / was 等助动词,这是中国学生学英语时态最难的部分。

3 大主助动词 + 形态:
① be(am / is / are / was / were / been / being)
  · 构造进行时:be + V-ing(is going)
  · 构造被动语态:be + V-en(was issued)
② have(have / has / had / having)
  · 构造完成时:have + V-en(has signed / had circulated)
③ do(do / does / did)
  · 构造否定:do not / does not / did not
  · 构造疑问:Do you ...? / Did he ...?
  · 构造强调:He did sound the warning
  · 构造倒装:Nor did the country recover
④ 组合链(可堆叠):will have been V-ing(将来完成进行)

易混淆: have 三种身份 — ① 助动词 have(I have signed);② 实义动词「拥有」(I have a book);③ 使役 have(I have someone do it = 让某人做)。
do 三种身份 — ① 助动词(疑问 / 否定 / 强调);② 实义动词「做」(I do my homework);③ 替代动词(So do I)。

中国学生常见错误:
✗ He doesn't likes coffee(do 后必须是原形)
✓ He doesn't like coffee
✗ I have went there(have 后必须是过去分词 gone,不是 went)
✓ I have gone there
✗ I am study English(进行时是 be + V-ing,不是 V 原形)
✓ I am studying English

课文例句:
① S-006 助动词链 had been warning(过完进行 had + been + V-ing)
② S-013 被动 was issued(was + V-en)
③ S-027 倒装 did(Nor did the country recover)
④ S-058 强调 did sound(Cassandra did sound)
⑤ S-068 4 助动词链 will have been + generating

4. 情态动词 · Modal Verb

一句话: 表达说话人「态度 / 语气」的特殊助动词 — 能力、可能性、必要性、推断、建议、决意。后接动词原形。

详细: 情态动词是英语里最特殊的一类动词 — 它本身永远不变形(no -s, no -ing, no past),且后面必须接动词原形(不是不定式 to V,也不是 V-ing)。它表达的是说话人对某事的态度,而不是事件本身的事实。同一句话用不同情态动词,语义完全不同:He can swim(他会游泳)/ He must swim(他必须游)/ He might swim(他可能游)。

位置 / 用法: 情态动词紧贴主语之后,实义动词之前(I must go / He can swim)。否定加 not(can not / cannot;won't = will not;mustn't)。疑问句倒装(Can you ...? / Must he ...?)。

中英对照: 中文用「能 / 会 / 该 / 必须 / 可能」表达情态,但句法上是普通动词。英文情态动词的特殊形态(无变化、必接原形)是中国学生最易错的地方。中文「他必须去了」翻译时不能用 must to go,只能 He must go。

11 个核心情态动词 + 半情态:
① 能力:can / could(过去时或委婉)
② 许可:may / might(might 更委婉)
③ 必要 / 推断:must(强必要;肯定推断)
④ 建议 / 应当:should / ought to
⑤ 意愿 / 将来:will / would(would 更委婉)
⑥ 决意 / 法律式:shall(古典「应该」)
⑦ 需要 / 敢:need / dare(可作情态也可作普通动词)
⑧ 半情态(2 词):had better(忠告)/ would rather(宁愿)
⑨ 完成情态(对过去):should have done / must have done / could have done / might have done
详见 ⑤ 情态动词章节。

易混淆: must vs have to — must 表说话人主观必要(I must read this),have to 表客观必要(I have to work tomorrow)。否定形式语义反:must not = 禁止 / don't have to = 不必。
can vs could — could 不只是 can 的过去时,还可表「委婉请求」(Could you help?)或「假设可能」(I could go if invited)。

中国学生常见错误:
✗ You must to study(must 后是原形,不带 to)
✓ You must study
✗ He can speaks French(情态后必须原形)
✓ He can speak French
✗ You mustn't go 误为「不必去」
✓ You mustn't go 是「禁止去」 / You don't have to go 才是「不必去」

课文例句:
① S-043 能力 could move(能搬动 trillions of dollars)
② S-062 法律式 shall not face(郑重宣告)
③ S-082 半情态 had better watch(强烈忠告)
④ S-103 完成式 should have seen(本该看见却没)
⑤ S-104 完成式 must have believed(对过去的肯定推断)

5. 及物 vs 不及物 · Transitive vs Intransitive

一句话: 看动词后面是否需要带宾语。要带的叫及物(transitive),不带的叫不及物(intransitive)。

详细: 这是动词最重要的语义分类之一 — 决定了句型的骨架。及物动词(sign / declare / weigh / replace)需要一个对象承接动作,语义才完整;不及物动词(weep / collapse / float / emerge)动作止于动作本身,不需要对象。同一个动词在不同上下文里可能两用。

位置 / 用法: 及物动词用于 SVO / SVOO / SVOC 句型 — 后面必须接宾语;不及物动词用于 SV 句型 — 后面可以是状语或直接结束。被动语态只能由及物动词构造(因为需要把宾语提到主语位置)。

中英对照: 中文动词不严格区分及物 / 不及物 — 同一个「跑」字可以「他跑」(不及物)、「他跑了 100 米」(及物)。英文区分严格,有些动词只能不及物(arrive / die / fall),不能加宾语:✗ He arrived Beijing → ✓ He arrived in Beijing。

常见动词分类:
① 纯及物(必须带宾语):make / give / send / send / find / love / hate / want / need / discuss
② 纯不及物(不可带宾语):arrive / come / go / die / fall / sleep / appear / disappear / occur
③ 两用动词(因语境):read / write / open / close / change
· The door opens(不及物)/ He opens the door(及物)
④ 双宾动词(带 2 个宾语 — 间宾 + 直宾):give / send / tell / show / offer / lend / pay / teach
· I gave him(间宾)a book(直宾)

易混淆: raise vs rise — raise 及物,有宾语(raise the flag);rise 不及物,无宾语(The sun rises)。
lay vs lie — lay 及物(lay the book down);lie 不及物(He lies on the bed)。
discuss 及物 — 不带 about(✗ discuss about → ✓ discuss it)。

中国学生常见错误:
✗ He arrived Beijing yesterday(arrive 不及物)
✓ He arrived in Beijing yesterday
✗ I will discuss about this(discuss 及物,不加 about)
✓ I will discuss this
✗ The accident was happened(happen 不及物,无被动)
✓ The accident happened

课文例句:
① S-049 不及物 wept / cheered(后无宾语,SV 句型)
② S-013 及物变被动 was issued(主动 issue + 宾语 → 被动)
③ S-022 不及物 emerge + 状语 as a credible reserve currency
④ S-107 双宾 gave foreign banks 间宾 fresh dollars 直宾

6. 限定动词 vs 非谓语动词 · Finite vs Non-finite

一句话: 限定动词有时态 / 人称 / 数变化,作句子谓语;非谓语动词不变化,不能单独作谓语,只能作其他成分(主 / 宾 / 定 / 状 / 表)。

详细: 这是英语最深的二分概念。一个句子里只能有一个限定动词作谓语,但可以有任意多个非谓语动词作其他成分。Returning to the gold standard seemed prudent — seemed 是限定(谓语),Returning 是非谓语(动名词作主语)。掌握这个区分,英语长句立刻可读。

位置 / 用法:
限定动词:句子谓语位置,主语后(He signs / He signed)
非谓语动词:可作主语、宾语、定语、状语、表语、宾补 — 几乎能取代名词或形容词的所有位置。

中英对照: 中文连续动词(连动结构)极常见:「我去吃饭学英语」可以一连用「去」「吃」「学」三个动词。英文不允许 — 一句话只能有一个限定动词作谓语,其他都必须改成非谓语形式:I go to eat and to study(不定式)/ I go eating and studying(动名词)/ Going home, I ate(分词作状语)。

限定动词的形态(5 种):
① 原形:sign(用于祈使句、情态后)
② 第三单数现在:signs
③ 一般现在 / 过去:sign / signed
④ 进行时:is signing(限定标志在 is)
⑤ 完成时:has signed(限定标志在 has)

非谓语动词的 3 大类:
① 不定式(to V) — to sign / to be signed / to have signed
② 动名词(V-ing) — signing(作名词)
③ 分词:现在分词 V-ing(主动 / 进行)/ 过去分词 V-en(被动 / 完成)

易混淆: 动名词 vs 现在分词 — 形态都是 V-ing,但功能不同:动名词作名词(Returning is hard = 主语);现在分词作形容词或副词(Returning home, I saw it = 状语)。判断方法:能不能换成名词?能,就是动名词。
不定式作主语 vs 动名词作主语 — 不定式偏抽象 / 未来,动名词偏具体 / 习惯。To swim is healthy(抽象命题)/ Swimming is healthy(具体活动)。

中国学生常见错误:
✗ I want eat lunch(连动 — 错)
✓ I want to eat lunch(want 后用不定式)
✗ I enjoy to swim(enjoy 后必须用动名词)
✓ I enjoy swimming
✗ The man stand there is my friend(stand 不能作定语)
✓ The man standing there is my friend(现在分词作定语)

课文例句:
① S-072 不定式作主语 To predict the dollar's future is, in the end, ...
② S-015 动名词作主语 Returning to the gold standard seemed prudent ...
③ S-034 过去分词作定语 designed by Keynes(被动 / 完成义)
④ S-044 现在分词作定语 slumbering since the 1950s(主动 / 进行义)

⓪.7 短语 vs 从句 · Phrase vs Clause

短语 · Phrase

一句话: 多个词紧密配合,共同作一种成分,但没有「主语+谓语」结构。是「比单词大、比从句小」的语法单位。

详细: 短语是英语句子的「中间砖块」 — 比单个词大,但又达不到完整从句的复杂度。它的关键判别标准是:内部没有主谓关系。"the silver dollar"(冠词+形容词+名词)是名词短语,但内部没有 a + V;一旦出现主谓关系(如 "the dollar that Hamilton designed" 里 Hamilton designed),它就变成了从句。

位置 / 用法: 短语作一种成分的整体使用 — 名词短语作主 / 宾,介词短语作状语 / 定语,动词短语作谓语,等等。短语内部的词序受语法规则约束(冠词在前、形容词次之、名词在后)。

中英对照: 中文短语判别相对简单(无主谓即可)。英文复杂在「短语类型多」 — 不定式短语、动名词短语、分词短语都是中文里没有的特殊结构。中国学生最难掌握的是后置短语作定语的规则:中文「我设计的那枚银元」前置,英文 "the dollar designed by Hamilton" 后置。

8 大短语类型:
① 名词短语(NP):the silver dollar / a quiet admission / every American banknote
② 动词短语(VP):has floated / will be challenging / had been warning
③ 形容词短语(AdjP):almost three times as often / quite ready
④ 副词短语(AdvP):almost overnight / very nearly / quite recently
⑤ 介词短语(PP):at the Philadelphia mint / by the Bureau / through American memory
⑥ 不定式短语(InfP):to finance a war / to predict the dollar's future
⑦ 动名词短语(GerP):Returning to the gold standard / By insisting on free silver
⑧ 分词短语(PartP):designed by Keynes / slumbering since the 1950s

易混淆: 短语 vs 从句 — 关键区分点:短语没有主谓,从句有主谓。"the bank designed by Hamilton" 是分词短语(无主谓);"the bank that Hamilton designed" 是定语从句(Hamilton 是主、designed 是谓)。
不定式 vs 介词 to — to + V 是不定式(to sign);to + 名词是介词短语(to the bank)。看 to 后面接的是动词原形还是名词。

中国学生常见错误:
✗ The book on the table it is mine(短语 + 完整句不能直接并列)
✓ The book on the table is mine(整个 NP "The book on the table" 作主语)
✗ I went store yesterday(漏介词 to 形成完整介短)
✓ I went to the store yesterday

课文例句:
① S-002 介词短语 at the Philadelphia mint(地点状语)
② S-016 动名词短语 By insisting on free silver(方式状语)
③ S-044 现在分词短语 slumbering since the 1950s(后置定语)
④ S-072 不定式短语 To predict the dollar's future(主语)

从句 · Clause

一句话: 一组词,内部有自己的「主语+谓语」。可独立成句(主句)或嵌入主句作其中一个成分(从句)。

详细: 从句是英语「长句生成」的核心机制 — 一句话能写得复杂、信息密度高,完全靠从句嵌套。理解从句的本质是「子主谓结构嵌入更大句子」,这是从初级英语跨进中高级写作的关键。一个完整句子至少有一个主句,可以包含 0 个或多个从句。

位置 / 用法: 主句独立成立;从句必须依附于主句,在主句中承担一种成分。从句开头通常有从属连词(although / because / when / if)或关系代词 / 副词(that / which / who / where / when)作为标志。从句可以前置(逗号隔开)或后置。

中英对照: 中文也有从句意识,但缺少英文那么严谨的语法标志。「他来的时候我在吃饭」这句中文,英文必须用从属连词 when:When he came, I was eating。中文「我看的书」英文必须 the book that I read,加关系代词。中国学生最大盲区:漏掉从属连词 / 关系代词。

3 大从句类型(按在主句中的功能):
① 名词性从句(Noun Clause)— 作主语 / 宾语 / 表语 / 同位语,等于一个名词的位置。详见 ⑦
② 定语从句(Relative / Adjective Clause)— 修饰名词,等于一个形容词的位置。详见 ⑧
③ 状语从句(Adverbial Clause)— 修饰整句或动词,等于一个副词的位置。详见 ⑨

易混淆: 定语从句 vs 同位语从句 — 都用 that 引导,但定从中的 that 在从句内部充当成分(主语 / 宾语),省略后读者能补出;同位语从句中的 that 是纯连接词,不充当任何成分。
The fact that he failed shocked me(同位 — that 不充任何成分,只连接);The fact that I learned shocked me(定从 — that 是 learned 的宾语)。

中国学生常见错误:
✗ I know he is right(口语可,书面要补 that)
✓ I know that he is right(书面 that 不省)
✗ The book I read it is good(关代 + 代词重复)
✓ The book I read is good(关代省了,it 也省)
✗ Although it rained, but I went(中文搬过来)
✓ Although it rained, I went

课文例句:
① S-014 wh- 主语从句 What restored monetary order after Reconstruction
② S-009 定语从句 that Hamilton designed(主 Hamilton + 谓 designed)
③ S-021 状语从句 When the First World War broke out(主 the war + 谓 broke out)
④ S-017 宾语从句 that mankind must not be crucified upon a cross of gold

主句 vs 从句 · Main vs Subordinate Clause

一句话: 主句能独立成立;从句必须依附于主句。一个英语完整句子是「1 个主句 + 0~多个从句」的组合。

详细: 这是英语长句结构的核心二分。主句承载句子的主要信息(说话人最想表达的),从句是「修饰、限定、补充」主句的子结构。识别主句和从句的关系,等于识别一句话的逻辑骨架。

位置 / 用法: 主句独立、可以单写;从句必须以从属连词或关系代词 / 副词开头,前置(从句在前 + 逗号 + 主句)或后置(主句 + 从句无逗号)。前置时通常表示从句的语义优先;后置时主句优先。

中英对照: 中文里主从关系常用「但 / 虽然 / 因为」等词标记,但句法上主从有时不那么严格区分。英文则严格 — 一句话只能有一个主句,从句必须有明显的连接词引导。中国学生最易错:把英文从句当成主句使用,导致句子片段(sentence fragment):✗ Although he was tired.(只有从句,没有主句)。

主从复合句的 4 种结构:
① 简单句:1 个主句,无从句。Borrowers wept.(SV)
② 并列句:2 个主句用并列连词连。Borrowers wept, and farmers went bankrupt.
③ 主从复合句:1 个主句 + 1+ 个从句。Although Bryan lost, his oratory echoes.
④ 并列主从复合句:多主句 + 多从句。Bryan lost, but his oratory still echoes through the memory that he created.

易混淆: 从句 vs 完整句 — 完整句必须有「自己的限定动词作谓语」且「不依赖其他句子」。Although Bryan lost 单独写出是病句(只有从句,无主句);加上 his oratory still echoes 才完整。
主句 vs 主语 — 主语是主句里的一个成分(谁做),主句是包含主语的整体。

中国学生常见错误:
✗ Because I was tired.(只有从句,缺主句 — sentence fragment)
✓ Because I was tired, I went home.
✗ He is smart, he studies hard.(两个主句中间用逗号 — comma splice)
✓ He is smart, and he studies hard. 或 He is smart; he studies hard.
✗ Although he is rich, but he is unhappy.
✓ Although he is rich, he is unhappy.

课文例句:
① S-018 主句 = his oratory still echoes through American memory
    从句 = Although Bryan lost the election(让步状从)
② S-032 主句 = the dollar today would still hang from a chain of gold
    从句 = If the Great Depression had lasted only briefly(条件状从)
③ S-014 主句 = X was the Resumption Act of 1875
    从句(作 X 主语)= What restored monetary order after Reconstruction

① 五大基本句型

所有的英语句子,都是这五种骨架的扩展。先抓骨架,再看修饰。

① S + V — 主语 + 不及物动词

一句话: 最简单的英语句型 — 主语 + 不及物动词,后面不带宾语。可后接状语,但不带动作对象。

详细: SV 是英语句型的最基本骨架。所有更复杂的句型都是在它基础上扩展。SV 句型的动词必须是不及物动词(weep / fall / collapse / arrive / come / go / die),它们的动作止于动作本身,无需带对象。

位置 / 用法: 标准 SV 顺序 — 主语在前,动词紧接其后。可以加各种状语(地点 / 时间 / 方式),但不加宾语。Borrowers wept(SV)/ Borrowers wept bitterly yesterday(SV + 状语)。

中英对照: 中文 SV 句型也常见(他笑了 / 雨停了),但中文有时省略主语(下雨了 — 没有主语),英文绝不能省 — 必须 It is raining 加占位主语 it。

变体:
① SV:Borrowers wept.
② SV + 时间状语:The market opens at 9.
③ SV + 地点状语:He arrived in Beijing.
④ SV + 方式状语:She sings beautifully.
⑤ 状语前置 + SV:Yesterday, the market crashed.

易混淆: SV vs SVC — 都是 S + V 开头,但 SV 后是状语,SVC 后是表语。"He arrived in Beijing"(SV + 地点状语)vs "He is tall"(SVC + 表语形容词)。判断:动词是不及物实义动词(arrive)→ SV;动词是系动词(is)→ SVC。

中国学生常见错误:
✗ Rained yesterday(英文必须有主语)
✓ It rained yesterday
✗ He arrived Beijing(arrive 不及物,要 in)
✓ He arrived in Beijing

课文例句:
① S-049 Borrowers wept(借款人哭泣 — 单纯 SV)
② S-049 bond traders cheered(债券交易员欢呼 — 单纯 SV)
③ S-021 European gold flowed into American vaults(SV + 地点状)

② S + V + O — 主语 + 及物动词 + 宾语

一句话: 最常见的英语句型 — 主语 + 及物动词 + 宾语。「谁 + 做 + 什么」的标准结构。

详细: SVO 占英语句子的绝大多数。任何表达「主体对客体施加动作」的句子,基本都是这个骨架。掌握 SVO,就掌握了英语 70% 以上的句子。语序固定 — 主语必在动词前,宾语必在动词后,违反语序就改变语义甚至失去合法性。

位置 / 用法: 严格的 S-V-O 顺序,英语没有「宾语前置」的常规许可(只有特殊修辞如 What he said, I cannot agree)。可以加各种状语(时间 / 地点 / 方式),但不能改变核心三元素的位置。

中英对照: 中文 SVO 也是主流(我吃饭),但中文允许多种语序(饭我吃了 / 我饭吃了),英文严格 SVO,几乎不允许动宾倒置。这是英语「分析语」(analytical language)的特征 — 靠词序而非词形决定语法关系。

变体:
① SVO:Hamilton signed the Coinage Act.
② SVO + 状语:Hamilton signed the Act in 1792.
③ 状语 + SVO:In 1792, Hamilton signed the Act.
④ SVO + 后置定语:He signed the Act that he had drafted.
⑤ 从句作 O:He believed that the dollar would last.

易混淆: SVO vs SVC — 后接的是宾语还是表语?
SVO:He made the bank(他建立了银行 — make 是实义,bank 是宾语)
SVC:He is a banker(他是银行家 — is 是系动词,banker 是表语)
判断:动词是实义动词 → SVO;系动词 → SVC。

中国学生常见错误:
✗ Yesterday I dinner ate(中文「饭我吃了」语序搬过来)
✓ Yesterday I ate dinner
✗ I want to know what is his name(宾从内不能倒装)
✓ I want to know what his name is

课文例句:
① S-003 Hamilton signed the Coinage Act(经典 SVO)
② S-013 被动版 SVO The greenback was issued in 1862(主动还原 = the government issued the greenback)
③ S-017 宾从作 O Bryan declared that mankind must not be crucified

③ S + V + IO + DO — 主语 + 双宾动词 + 间接宾语 + 直接宾语

一句话: 双宾语句型 — 主语 + 双宾动词 + 间接宾语(通常是人) + 直接宾语(通常是物)。「给谁什么 / 告诉谁什么 / 教谁什么」。

详细: 双宾句的双宾动词数量有限,但都是高频核心动词:give / send / tell / show / offer / lend / pay / teach / hand / pass / write / make / buy / cook / get。它们都涉及「转移」语义 — 把某物从一方传给另一方。两种语序可互换:「V + 间宾 + 直宾」⇔「V + 直宾 + to/for + 间宾」。

位置 / 用法: 标准语序间宾在前(He gave me a book),改写时直宾在前(He gave a book to me)。两种语序在语义上几乎相同,但语用焦点不同 — 后置的更突出,所以英语母语者用第二种语序时往往是想强调「书」(a book)。

中英对照: 中文也有双宾(给我一本书 / 告诉我一件事),语序相同。但中文 to/for 改写较少使用。中国学生学双宾基本无障碍,问题主要在「哪些动词能用双宾」 — explain / introduce / suggest 这三个动词在中文里能直接「给我解释 / 介绍 / 建议某事」,英文必须用 to/for 形式(✗ explain me sth → ✓ explain sth to me)。

双宾动词的 2 种改写:
① 原型:S + V + IO + DO
  He gave me a book. / She told him the truth.
② to-改写(give 类,涉及给予):S + V + DO + to + IO
  He gave a book to me. / She told the truth to him.
③ for-改写(buy 类,涉及为...):S + V + DO + for + IO
  She bought a book for me. / He cooked dinner for us.
④ 必须改写的动词(不能用原型):explain / introduce / suggest / describe / mention
  ✗ He explained me the rule → ✓ He explained the rule to me

易混淆: SVOO vs SVOC — 后两个名词是「两个对等宾语」(双宾)还是「宾语 + 宾补」?
SVOO:I gave him a book(him ≠ a book,他和书是不同对象)
SVOC:I called him a fool(him = a fool,他就是 fool)
判断:两个名词等同 → SVOC;两个名词不等同 → SVOO。

中国学生常见错误:
✗ He explained me the rule(explain 必须用 to)
✓ He explained the rule to me
✗ She suggested me a book(suggest 必须用 to)
✓ She suggested a book to me 或 She suggested that I read the book
✗ He give me yesterday a book(状语不能插在双宾中间)
✓ He gave me a book yesterday

课文例句:
① S-107 The Fed's emergency loans gave foreign banks fresh dollars(gave + 间宾 foreign banks + 直宾 fresh dollars)
② S-101 nations lent to one another(lend 用 to-形式,因为间宾紧跟代词宾格)
③ S-029 含双宾改写 Roosevelt had the metal reminted ...(have + O + V-en 使役)

④ S + V + O + C — 主语 + 谓语 + 宾语 + 宾补

一句话: 「宾语 + 宾补」结构 — 主语做了什么动作,使宾语处于某种状态 / 做某事。宾补描述宾语,不是描述主语。

详细: SVOC 是英语高级写作的关键句型 — 它把「使役 / 感知 / 评价」三种语义紧凑表达。常见使役动词(make / let / have / get / cause)、感官动词(see / hear / find / watch / notice)、评价动词(consider / think / believe / call / find / deem)。宾补可以是名词、形容词、不定式、动名词、过去分词。

位置 / 用法: 严格的 S - V - O - C 顺序。宾补紧跟宾语,描述宾语状态。注意:宾补的形式因动词不同而异 — make / let / have 后跟动词原形不带 to;help 可带可不带 to;其他多数动词带 to V。

中英对照: 中文「我看到他走」对应英文 I saw him walk(感官动词后用动词原形),但中文「我让他做」对应英文 I made him do(make 后用原形)而不是 I made him to do。这种「宾补的形式选择」是中国学生最易错的细节。

SVOC 的 5 种宾补形式:
① 宾补 = 名词:They elected him president(him = president)
② 宾补 = 形容词:Markets considered the dollar safe(dollar 是 safe 的)
③ 宾补 = 不带 to 的不定式(使役 / 感官):I made him go / I saw him walk
④ 宾补 = to 不定式(其他动词):I want him to go / I expect him to come
⑤ 宾补 = 现在分词 / 过去分词:I saw him running(进行)/ I had it fixed(被动)

易混淆: SVOC vs SVOO — 见 ③ SVOO 章节。两个名词等同 → SVOC;不等同 → SVOO。
make 的两种用法 — make 作及物(SVO):He made a cake(做了一个蛋糕);make 作使役(SVOC):He made me cry(让我哭)。

中国学生常见错误:
✗ I made him to go(make 后宾补不带 to)
✓ I made him go
✗ I let him to do it(let 后也不带 to)
✓ I let him do it
✗ I want he go(want 后用 to V 不定式,且代词用宾格)
✓ I want him to go

课文例句:
① S-022 使役 + 宾补 The war made the dollar emerge as a reserve currency(make + 宾 + 原形宾补)
② S-035 形宾补 found it impossible to persuade(form 句型 + 形容词宾补)
③ S-102 形宾补 Markets considered the dollar safe(considered + 宾 + 形宾补)
④ S-029 过分宾补 had the metal reminted(have something done = 让某物被做)

⑤ S + V + C — 主语 + 系动词 + 表语

一句话: 系动词句型 — 主语 + 系动词 + 表语(描述主语)。「X 是 Y / X 变成 Y / X 看起来 Y」。

详细: SVC 不带宾语,因为系动词不表「动作」,只表「状态」或「状态变化」。表语是描述主语的,所以表语和主语语义上等同或描述(He is a doctor — he = a doctor;He seems tall — he 具有 tall 的特征)。这是英语判断句、描述句的核心结构。

位置 / 用法: 严格 S - V - C。表语紧跟系动词,可以是形容词、名词短语、介词短语、动名词、不定式、从句。系动词列表见 ⓪.5 系动词。

中英对照: 中文 SVC 中常省略系动词「是」(他高 / 我累),英文必须有 — He is tall / I am tired。中国学生最大盲区是漏 be 动词。「天黑了」必须 It got dark / It is dark,不能光说 Dark。

表语的 6 种形式:
① 名词 / 名词短语:He is a teacher / It was the Resumption Act
② 形容词:She seems happy / The dollar is fragile
③ 介词短语:He is in trouble / The book is on the table
④ 动名词:My hobby is reading / Seeing is believing
⑤ 不定式:My plan is to study / The key is to start now
⑥ 从句(表语从句):The fact is that he failed / The truth is that no fiat currency...

易混淆: SVC vs SVO — 见 ② SVO 章节。系动词 → SVC;实义动词 → SVO。
表语形容词 vs 副词 — 系动词后必须用形容词,不是副词。✓ He looks happy / ✗ He looks happily(除非 happily 修饰另一动词)。

中国学生常见错误:
✗ I tired(漏 be 动词)
✓ I am tired
✗ The cake tastes sweetly(系 + 副词)
✓ The cake tastes sweet
✗ He become rich(动词形态错)
✓ He became rich 或 He has become rich

课文例句:
① S-014 名词表语 What restored monetary order ... was the Resumption Act
② S-015 双形容词表语 seemed prudent ... ruinous
③ S-026 形容词复合表语 was such a shock
④ S-076 多名词表语 The dollar is more than money: it is a record, a promise, and a memory

② 句子成分

每个句子拆开看,是若干"成分"在协作。下面是九个最重要的成分。

主语 · Subject

一句话: 「谁做 / 什么是」。一句话的发起者或描述对象,处于句子的最前面。

详细: 主语是英语句子的「起点」 — 它决定了谓语动词的形态(单 / 复数、人称),也决定了句子的视角。一个独立的英语句子必须有主语,即使没有真正的「主语」也要用 it / there 占位(It rains / There is a book)。

位置 / 用法: 默认在谓语动词之前(SV/SVO/SVC/SVOO/SVOC 都是 S 在最前)。倒装句中可移到助动词之后(Never have I seen ...)。强调句中可被 it 替代(It was Hamilton who signed the Act)。

中英对照: 中文常省略主语 —「下雨了」「累了」「该走了」都没主语。英文绝不能省 — 必须 It is raining / I am tired / We should go。这是中国学生最常忘掉的一条:写英文一句话之前先问「主语是什么」。中文「我父亲」翻译时不能 my father is(还要谓语),英文必须主语完整。

主语的 8 种形式:
① 名词:Money tells a story.
② 代词:He signed it.
③ 名词短语:The young republic stamps out its first dollar.
④ 动名词 / 动名词短语:Returning to the gold standard seemed prudent.
⑤ 不定式短语:To predict the dollar's future is, in the end, ...
⑥ that 从句:That the dollar has outlasted every rival currency remains a miracle.
⑦ wh 从句:What restored monetary order ... was the Resumption Act.
⑧ 形式主语 it / there:It is essential that ... / There was no easy way back.

易混淆: 真主语 vs 形式主语 — It is essential that he retain the confidence 中,it 是形式主语,真主语是 that he retain ... 从句。位置上 it 在前,真主语在后(extraposition,「外置」)。
主语 vs 主题(中文里这叫「话题」)— 中文「这本书我读了」中「这本书」是话题,「我」是主语。英文不允许这种结构,必须写成「I read this book」或被动「This book was read by me」。

中国学生常见错误:
✗ Is raining today(漏主语)
✓ It is raining today
✗ Important to study English(漏主语 + 系动词)
✓ It is important to study English
✗ What he said is true → What did he say is true(主语从句不倒装)
✓ What he said is true

课文例句:
① S-014 wh-从句 What restored monetary order after Reconstruction
② S-015 动名词 Returning to the gold standard
③ S-072 不定式 To predict the dollar's future
④ S-108 that 从句 That the dollar has outlasted every rival currency
⑤ S-098 there 形式主语 There was no easy way back to gold

谓语 · Predicate / Verb Phrase

一句话: 告诉我们主语做什么 / 是什么 / 怎么样。围绕动词展开 — 整个动词组合(主动词 + 助动词 + 情态)都是谓语的一部分。

详细: 谓语是句子的核心 — 它表达句子的动作、状态、关系,并通过时态、语态、语气携带关于事件的全部时间和态度信息。掌握谓语,就掌握了「时间 + 行为 + 态度」三层语义。一句话至少有一个谓语,且只有一个限定动词承担谓语功能。

位置 / 用法: 标准位置紧跟主语(He signed);倒装句中助动词在主语前(Never have I seen);疑问句中助动词在主语前(Did he sign?)。谓语可以是单动词,也可以是助动词链 + 主动词的组合(will have been generating — 4 个词共同充当一个谓语)。

中英对照: 中文谓语形态简单 —「我吃」「他吃」「我们吃过」动词都是「吃」,时间 / 体貌靠「了 / 过 / 着 / 正在」等小词标记。英文谓语必须按时态、人称、数变化(eat / eats / ate / eaten / eating),且需要助动词协同(have eaten / is eating / will have eaten)。中国学生最大盲区:不知道何时用 have / had / will,导致时态混乱。

谓语的 6 种构成:
① 单一限定动词:He signed the Act.
② 助动词 + 主动词(进行 / 完成 / 被动):He has signed / He is signing / It was signed
③ 情态动词 + 动词原形:He must sign / He can speak
④ 系动词 + 表语(SVC):He is a teacher / It seems easy
⑤ 多助动词链:will + have + been + V-ing(He will have been working for 10 years by 2030)
⑥ 实义动词 + 宾语 + 宾补(SVOC):I made him go / He found it impossible

易混淆: 谓语 vs 非谓语 — 谓语是被时态、人称、数标记的限定动词,作句子主动词;非谓语(不定式、动名词、分词)不带这些标记,作其他成分。一句话只能有一个谓语,可以有多个非谓语。
动词 vs 谓语 — 动词是词类,谓语是句法功能。一个动词词的某种形式(签 / 签了 / 签着 / 在签)在句中作谓语。

中国学生常见错误:
✗ I yesterday go to school(谓语形态不对,need to use past tense)
✓ I went to school yesterday
✗ He signed and going home(两个动词形式不对等 — 平行结构)
✓ He signed and went home 或 He, having signed, was going home
✗ I am study English(进行时 = be + V-ing,不是 be + 原形)
✓ I am studying English

课文例句:
① S-042 现在完成 has floated(have + V-en)
② S-068 4 助动词链 will have been generating(将来完成进行)
③ S-029 使役 had the metal reminted(have + O + V-en)
④ S-030 倒装 had ... dared(Never before had a peacetime president dared)

宾语 · Object

一句话: 动作所及之物。回答「V 谁 / V 什么」。三种:直接宾语 (DO)、间接宾语 (IO)、介词宾语 (PO)。

详细: 宾语是「动作的承受者」。只有及物动词才有宾语;介词后面也跟宾语(称为介词宾语)。宾语可以是简单名词,也可以是复杂结构(从句、动名词、不定式)。识别宾语,关键看动词后跟的是「动作的承受者」(SVO)还是「描述主语的状态」(SVC,这是表语,不是宾语)。

位置 / 用法: 直接宾语紧跟动词(He signed the Act);双宾结构 IO 在 DO 前(He gave me a book);介词宾语在介词后(in 1792)。代词作宾语必须用宾格(me / him / her / us / them,不是主格)。

中英对照: 中文宾语位置很灵活,有「把」「将」「拿」字句允许提前(把书给我),英文严格不能提前。中文不严格区分宾格代词(他 = he/him),英文必须区分(主格 he 作主语,宾格 him 作宾语)。中国学生常忘记代词宾格变化。

宾语的 7 种形式:
① 名词 / 名词短语:He signed the Coinage Act.
② 代词宾格:He saw him / She trusts them.
③ 动名词 / 短语:I enjoy swimming / He kept insisting on free silver.
④ 不定式 / 短语:I want to leave / He learned to predict the future.
⑤ that 从句:He believed that the dollar would last.
⑥ wh / whether 从句:I wonder what he said / I asked whether he came.
⑦ 双宾(IO + DO):He gave me a book.

易混淆: 宾语 vs 表语 — 看动词类型。实义及物动词(make / find / sign)后是宾语;系动词(be / seem / become)后是表语。He made a cake(make 是实义,a cake 是宾语)/ He is a teacher(is 是系动词,a teacher 是表语)。
直接宾语 vs 间接宾语 — 双宾结构里,通常人是间接宾语(谁收到),物是直接宾语(收到什么)。改写时人前面加 to / for。

中国学生常见错误:
✗ He saw she yesterday(代词作宾语必须宾格)
✓ He saw her yesterday
✗ I enjoy to swim(enjoy 后必须用动名词)
✓ I enjoy swimming
✗ I want know what is his name(want 后用不定式 + 宾语从句)
✓ I want to know what his name is

课文例句:
① S-017 that 从句作宾 that mankind must not be crucified upon a cross of gold
② S-073 不定式作宾 to trust the dollar
③ S-035 形式宾语 found it impossible to persuade(it 是形式宾,真宾在后)
④ S-107 双宾 gave foreign banks fresh dollars(IO + DO)
⑤ S-100 间接疑问 debate why the dollar survived

表语 · 补语 · Complement

一句话: 「描述主语 / 宾语状态」的成分。表语(Subject Complement)在系动词后描述主语;宾补(Object Complement)在宾语后描述宾语。

详细: 「补语」是英语 SVC 和 SVOC 句型的核心 — 它不是动作,而是描述。表语和宾语在中文语法里不那么常用,但英文里它们和宾语完全不同 — 宾语是动作的承受者(实义动词的对象),表语是状态的描述(系动词后的描述);宾补描述的是宾语而不是动作。

位置 / 用法:
表语:S + 系动词 + C(He is a teacher / It seems easy)
宾补:S + V + O + C(I made him angry / He found it impossible)
表语永远紧跟系动词,描述主语;宾补永远紧跟宾语,描述宾语。

中英对照: 中文不严格区分表语和宾语,系动词「是」也常省。「他高 / 他是医生」中文一致,英文必须 He is tall / He is a doctor。中国学生最大盲区:把宾补当宾语处理,导致句法分析错误。

补语的 6 种形式:
① 名词 / 名词短语:They elected him president(宾补名)
② 形容词:Markets considered the dollar safe(宾补形)/ He is tall(表语形)
③ 介词短语:He is in trouble(表语介短)
④ 动名词:Seeing is believing(表语动名词)
⑤ 不定式(带 / 不带 to):I saw him walk(感官不带 to)/ I want him to go(其他动词带 to)
⑥ 分词:I had it fixed(过分宾补 — 被动)/ I saw him running(现分宾补 — 进行)

易混淆: 表语 vs 宾语 — 表语描述主语,宾语是动作的对象。判断:看动词是系动词还是实义动词。
宾补 vs 状语 — 宾补描述宾语状态(can be a noun/adj),状语描述动作(is usually adv/介短)。He saw her tired(tired 描述 her — 宾补)/ He saw her yesterday(yesterday 描述 saw — 状语)。

中国学生常见错误:
✗ He looks beautifully(系动词后用形容词,不是副词)
✓ He looks beautiful
✗ I made him to cry(make 后宾补不带 to)
✓ I made him cry
✗ I find this important very(顺序错)
✓ I find this very important

课文例句:
① S-026 表语 such a shock(系 was 后)
② S-022 宾补 emerge as a credible reserve currency(make + dollar + emerge)
③ S-035 形容词宾补 impossible(found + it + impossible)
④ S-102 形容词宾补 safe(considered + dollar + safe)
⑤ S-029 过分宾补 reminted(had + metal + reminted = 让金属被重铸)

状语 · Adverbial

一句话: 交代动作或状态的时间 / 地点 / 方式 / 原因 / 目的 / 结果 / 程度 / 条件 / 让步 / 伴随。回答「何时 / 何地 / 怎样 / 为何 / 多大程度」。

详细: 状语是英语句子里最灵活、形式最丰富的成分。它本身不属于句子骨架(主谓宾),只是背景信息 — 交代动作发生的环境。但在叙事写作里,状语承担「时间锚点」「逻辑连接」的核心功能,是高级写作的精华。

位置 / 用法: 状语位置极灵活 — 可句首、句中、句尾。前置状语用逗号隔开(By 1811, ...);后置状语紧跟动词或分句(He spoke quietly)。某些前置状语会触发主谓倒装(Out of the panic came the conviction;Only when X did Y happen)。

中英对照: 中文状语固定在动词前(我昨天在家学英语 — 时间 / 地点都在动词前),英文状语位置非常自由。这反而是中国学生写英语时显得呆板的原因 — 总把状语放在中文那个位置,缺少英文母语者的语序变化。

状语的 5 大形式 + 10 大语义类:
形式上:
① 副词:He spoke quietly.
② 介词短语:He arrived in 1792 / at the mint.
③ 不定式短语:He went to study.
④ 分词短语:Trust restored, the dollar resumed authority.(独立主格状语)
⑤ 状语从句:When the war broke out, gold flowed in.

语义上:
① 时间 · 地点 · 方式 · 原因 · 目的 · 结果 · 程度 · 条件 · 让步 · 伴随
详见 ⑨ 状语从句。

易混淆: 状语 vs 定语 — 状语修饰动词或全句,定语修饰名词。Quickly(状语,修饰动词)/ a quick decision(定语,修饰名词)。
状语 vs 表语 — 看动词类型。He is at home(系动词后,at home 是表语介短) / He arrived at home(实义动词后,at home 是地点状语)。

中国学生常见错误:
✗ I yesterday went to school(中文式状语位置)
✓ Yesterday I went to school 或 I went to school yesterday
✗ He very runs fast(very 不修饰动词)
✓ He runs very fast(very 修饰副词 fast)
✗ By 1811, Spanish reales circulated(By + 时间锚点必配 had)
✓ By 1811, Spanish reales had circulated

课文例句:
① S-005 时间锚 By 1811(配 had + V-en)
② S-021 时间状从 When the First World War broke out
③ S-031 目的状从 in order that public confidence might begin to recover
④ S-019 地点前置 + 倒装 Out of the Panic of 1907 came the conviction ...
⑤ S-039 Only when 强调 + 倒装 Only when France began ... did the cracks become visible

定语 · 修饰语 · Modifier

一句话: 修饰名词或代词的成分。回答「哪一本 / 什么样的 / 谁的 / 怎么样的」。

详细: 定语是英语和中文差别最大的语法成分。它本身不是句子骨架,但所有的「形容词、关系从句、介词短语、分词短语」放在名词身边都是定语。掌握英语定语的位置规律是理解英语长名词短语的关键 — 英文一个名词可以挂很多层修饰,远超中文的承受力。

位置 / 用法 · 中国学生最大盲区:
① 单词级定语 → 前置:形容词、名词作定、所有格 → 名词前(young republic / silver coin / Hamilton's bank)
② 短语级定语 → 后置:介词短语、不定式短语、分词短语 → 名词后(arguments of varying purity / the way to recover / inflation slumbering since the 1950s)
③ 从句级定语 → 后置:定语从句一律后置(the dollar that Hamilton designed)
④ 多重定语:可以同时前后并存(the young republic that Hamilton built)

中英对照 · 关键差异:
中文定语几乎全部前置 + 「的」:「我看的书」「红色的车」「布雷顿森林体系下的世界」。
英文短语 / 从句级定语必须后置:✗ "I read book" → ✓ "the book I read" / ✗ "Hamilton designed dollar" → ✓ "the dollar designed by Hamilton"。
中国学生最常见错:把英文定语像中文一样硬塞到名词前面 → 句子破碎。

定语的 8 种形式:
① 形容词:young republic / fragile dollar(前置)
② 名词作定:silver dollar / gold standard(前置)
③ 所有格:Hamilton's bank / America's reserve(前置)
④ 介词短语:gold of varying purity / dollars in the bank(后置)
⑤ 不定式短语:the way to recover / a system to underwrite finance(后置)
⑥ 现在分词短语:inflation slumbering since the 1950s(后置 / 主动义)
⑦ 过去分词短语:the system designed by Keynes(后置 / 被动义)
⑧ 定语从句:the dollar that Hamilton designed(后置)

易混淆:
定语 vs 同位语 — 定语是「修饰」(描述这个名词怎么样);同位语是「重命名」(用另一种说法指代同一对象)。"Hamilton's bank"(定语:谁的银行 — 定语描述);"the dollar, America's currency"(同位语:美元就是美国的货币 — 重命名)。
定语 vs 表语 — 都是修饰性的,但位置不同。定语紧贴名词;表语在系动词后描述主语。young republic(定语)/ The republic is young(表语)。
现在分词 vs 过去分词作定语 — 现在分词带主动义(inflation slumbering = 通胀在沉睡);过去分词带被动义(the system designed = 体系被设计)。

中国学生常见错误:
✗ I have a friend works in Beijing(漏 who,变成两个谓语)
✓ I have a friend who works in Beijing
✗ The book I bought it is good(关代省了,it 也要省 — 不能双重指代)
✓ The book I bought is good
✗ Designed by Hamilton dollar(短语级定语必须后置)
✓ The dollar designed by Hamilton

课文例句:
① S-002 形容词前置 young republic / first silver dollar(序:数 + 质 + 名)
② S-009 限定性定从后置 that Hamilton designed(关代 that 是 designed 的宾语)
③ S-034 过分短语后置 designed by Keynes and Harry Dexter White(被动义)
④ S-044 现分短语后置 slumbering since the 1950s(主动 + 进行义)
⑤ S-064 现分短语后置 needing neither a government to issue it nor a central bank to control it

同位语 · Appositive

一句话: 紧跟一个名词,用另一种说法对其重命名 / 解释 / 扩展。前后两部分指同一对象。

详细: 同位语是英语写作里常见的「补充说明」结构。它和定语的关键区别:定语是修饰(描述名词怎么样),同位语是重命名(用另一种身份指代同一名词)。同位语让英语句子可以在不增加从句的情况下,塞入额外信息,是新闻、政经、学术写作的标志。

位置 / 用法: 同位语紧跟所修饰的名词,通常用逗号 / 破折号 / 冒号隔开(也可紧贴无标点)。可前可后:
① 后置同位:Hamilton, the founder of the Federal Reserve's predecessor, ...
② 前置同位:An economist of rare vision, Keynes saw the future.
③ 紧贴无标点:my friend Tom / the verb sign / the year 1792

中英对照: 中文同位语也存在(我的朋友小张 / 1792 年),但中文相对克制,且很少用复杂的同位结构。英文同位语极常见,也允许复杂嵌套。中国学生写英语常少用同位语,导致信息密度低 — 这是简洁紧凑的关键技巧。

同位语的 6 种形式:
① 名词 / 名词短语:my friend Tom / the year 1792
② 逗号引出名词短语:Bryan, the great orator, lost the election.
③ 破折号引出:The dollar — America's silent partner — survives.
④ 冒号引出:He had one goal: to recover the gold standard.
⑤ 三项并列同位(列举):The dollar is three things at once: the currency of America, the language of global trade, and the silent partner in every contract.
⑥ 分词同位短语:Bitcoin, a currency needing neither a government to issue it nor a central bank to control it, was launched in 2009.
⑦ 同位语从句(that 引导,见下):The fact that he failed shocked me.

易混淆:
同位语 vs 定语 — 都跟在名词身边,但同位语是重命名(等同关系),定语是描述(从属关系)。
"the dollar, America's currency"(同位:dollar = America's currency)
"America's currency"(定语:America's 修饰 currency)
同位语 vs 后置定语 — 后置定语通常是分词或介词短语,描述名词;同位语是名词短语,等同于前面的名词。
同位语从句 vs 定语从句 — 都用 that 引导:同位语从句中 that 不充当任何成分(纯连接);定语从句中 that 充当主语 / 宾语(可省略)。
✓ The fact that he failed(同位 — that 不充任何成分)
✓ The book that I bought(定语 — that 是 bought 的宾语)

中国学生常见错误:
✗ My friend, he is a doctor, came yesterday(中文「我朋友,他是医生」直译 — 英文不允许同位语再用代词重指)
✓ My friend, a doctor, came yesterday
✗ The fact he failed shocked me(同位语从句的 that 不能省 — 否则缺连接)
✓ The fact that he failed shocked me

课文例句:
① S-055 三项并列同位 the currency of America, the language of global trade, and the silent partner in every contract(冒号引出)
② S-064 现分同位短语 a currency needing neither a government to issue it nor a central bank to control it(逗号引出)
③ S-076 三项同位 a record, a promise, and a memory(冒号引出 — 同位语 vs 表语 hybrid)

独立成分 · Independent Elements

一句话: 语法上「独立」于句子主干,不充当主谓宾任何核心成分,但传递语气、衔接、称呼、感叹。

详细: 独立成分是英语句子里的「附加层」 — 它不参与句法骨架,但承载说话人的语用(立场 / 情感 / 衔接)。在正式写作中,独立成分(尤其是语篇副词如 indeed / however / paradoxically)是「学者腔」的标志,出现密度直接显示作者写作的成熟度。

位置 / 用法: 独立成分通常用逗号、破折号或感叹号与主干隔开。可在句首、句中、句尾。
① 句首引导:Indeed, Greenspan presided over ...
② 句中插入:The world, paradoxically, trusts the dollar.
③ 句尾追加:He failed, didn't he?(反意疑问)

中英对照: 中文「呢 / 吗 / 啊 / 当然 / 显然」的独立成分极常见;英文也有等价物(indeed / surely / obviously / of course),但语篇副词(discourse markers)如 paradoxically / nevertheless / furthermore 是中文几乎没有的特殊形式。中国学生写英语作文常缺这一层,显得不够成熟。

独立成分的 6 大类:
① 呼语(称呼):Dear reader, the dollar is more than money.
② 感叹词:Ah — and money keeps telling the human story.
③ 语篇副词:Indeed, Greenspan presided ... / The world, paradoxically, trusts the dollar.
④ 插入语(parenthetical):The dollar — like all reserve currencies — depends on trust.
⑤ 反意疑问:Money tells a story, doesn't it?
⑥ 独立主格(absolute):见下条目。

易混淆:
独立成分 vs 状语 — 状语修饰句子(交代时间 / 地点 / 方式),独立成分不修饰具体词。"Yesterday, I left"(状语 — 修饰 left);"Indeed, I left"(独立成分 — 表态度,不修饰)。
语篇副词 vs 普通副词 — 普通副词修饰具体动词或形容词(He spoke quickly);语篇副词修饰整个句子,标记句间逻辑(Indeed, he spoke quickly)。

中国学生常见错误:
✗ However but I went(however 自身就是转折,不能再加 but)
✓ However, I went
✗ Indeed I am tired(独立成分应有逗号)
✓ Indeed, I am tired

课文例句:
① S-076 呼语 dear reader(逗号隔开)
② S-079 感叹词 Ah(破折号引出后续)
③ S-056 语篇副词 Indeed(承上启下)
④ S-091 中插语篇副词 paradoxically(逗号包围)
⑤ S-078 反意疑问 doesn't it?(尾部追加)

独立主格 · Absolute Construction

一句话: 「名词 + 分词 / 形容词 / 介词短语」自带小主语,作为状语修饰整个主句。比从句更紧凑,文学性强。

详细: 独立主格是英语高级写作的标志结构之一。它本身有自己的「逻辑主语」(不同于主句主语),但语法上不是从句(无从属连词),也不是分词短语(分词短语的逻辑主语必须是主句主语)。它把一个伴随事件、状态、原因压缩成短小、紧凑的形式,代替冗长的从句。

位置 / 用法: 通常前置或后置,用逗号与主句隔开。
① 前置:Trust restored, the dollar quietly resumed authority.
② 后置:He left, his head held high.

中英对照: 中文没有完全等价的结构。最接近的是「N 既 V,S 便 V」式的文言句法。但口语中文不用这种形式。所以独立主格对中国学生来说不是用错的问题,而是「想不到用」。学会主动使用,是写出英语文学感的标志。

独立主格的 4 种构成:
① N + 过去分词(被动 / 完成义):Trust restored, the dollar resumed authority.
② N + 现在分词(主动 / 进行义):The sun setting, we headed home.
③ N + 形容词 / 介词短语:His face pale, he confessed everything. / Hands in pockets, he walked on.
④ N + to-不定式(将来 / 目的义):So much to do, we hurried up.

易混淆:
独立主格 vs 分词短语 — 分词短语的逻辑主语必须是主句主语;独立主格自带不同的小主语。
✓ Walking down the street, I saw him.(分词,逻辑主语 = I)
✓ The night falling, we headed home.(独立主格,小主语 = the night;主句主语 = we)
独立主格 vs 状语从句 — 独立主格无连接词;状语从句必有连词(when / because / if 等)。
✓ Trust restored, the dollar resumed authority.(独立主格)
✓ When trust was restored, the dollar resumed authority.(状语从句)

中国学生常见错误:
✗ The book opened, he read it.(逻辑混乱)
✓ The book open, he read it. 或 With the book open, he read it.
✗ Walking down the street, the dog saw me.(悬垂分词 — 逻辑主语错位)
✓ Walking down the street, I saw the dog. 或独立主格 I walking down the street, the dog saw me.

课文例句:
① S-081 独立主格 Trust restored, the dollar quietly resumed its authority(N + 过去分词)
② S-090 含 with 的独立主格变体 With Bretton Woods dismantled and gold finally untethered, the dollar entered ...(With + N + 过去分词)

③ 时态 · 12 时态全套 + 3 特殊式

1. 一般现在时 · Simple Present

一句话: 表达普遍真理 / 习惯 / 谚语 / 客观规律的时态。和具体「现在这一刻」无关,而是讲「永远这样」或「经常这样」。

详细: 一般现在时是英语最基础的时态,也是中国学生最易误用的时态 — 它不是表示「现在正在做」(那是现在进行时),而是表达「一般情况 / 习惯 / 真理」。Money tells a story 不是「金钱此刻正在讲」,而是「金钱总是讲故事」(普遍真理)。

形式 / 用法: 动词原形(I / you / we / they go);第三人称单数加 -s(he / she / it goes)。否定 don't / doesn't,疑问 do / does。

中英对照: 中文「我喜欢咖啡」「他每天跑步」对应英文一般现在时,但中文动词不变化(「喜欢」「跑步」)。英文必须区分单数 / 复数主语 — He likes coffee(三单加 s),They like coffee(复数原形)。

5 大用法:
① 普遍真理:Money tells a story / The earth orbits the sun.
② 习惯 / 反复动作:He drinks coffee every morning.
③ 谚语 / 格言:Time flies / Practice makes perfect.
④ 客观规律:Water boils at 100°C.
⑤ 未来时间表(时刻表式):The train leaves at 8 tomorrow.

易混淆: 一般现在 vs 现在进行 — 一般现在表「永远 / 经常」,现在进行表「此刻正在」。He drinks coffee(他爱喝咖啡 — 习惯)/ He is drinking coffee(他正在喝 — 此刻)。
一般现在 vs 现在完成 — 一般现在不强调和过去的关联,完成时强调「过去到现在」。He lives here(他住这儿 — 客观陈述)/ He has lived here for 10 years(住了 10 年 — 起点在过去)。

中国学生常见错误:
✗ I am liking coffee(状态动词不用进行时)
✓ I like coffee
✗ He always go to school(三单漏 s)
✓ He always goes to school
✗ I drink coffee now(具体当下要用进行时)
✓ I am drinking coffee now

课文例句:
① S-001 Money tells a story; the dollar tells one of the longest.(格言式陈述)
② S-020 Today, every American banknote is printed by ...(客观规律 + 被动)

2. 历史 / 叙事现在时 · Historic / Narrative Present

一句话: 用一般现在时讲过去的故事,让叙事有「现场感」。常见于新闻报道、文学散文、历史写作。

详细: 这是英语高级写作的修辞手法,不是「错用现在时」。1792 年是过去事件,但用 stamps out(现在时)代替 stamped out(过去时),让读者仿佛置身那个时刻 — 「时间是 1792 年,一个年轻的共和国正在铸造它的第一枚银元」。中国学生需要识别这是故意的修辞而非语法错。

形式 / 用法: 形式与一般现在时完全相同,但语境是过去事件。常配以「具体的过去年份」(The year is 1792)、「具体的过去地点」(at the Philadelphia mint)等,与现在时形成戏剧张力。

中英对照: 中文也有类似手法:「话说 1792 年,一个年轻的共和国铸下第一枚银元」 — 用「话说」引出过去事件,但语法上没有专门的时态。英文则用动词形式直接体现这种修辞。

典型用法场景:
① 新闻报道(尤其体育、突发新闻):Federer serves an ace.
② 历史叙事:The year is 1792, and Hamilton signs the Coinage Act.
③ 文学散文:Bryan rises to speak; the audience falls silent.
④ 电影 / 小说情节梗概:The hero meets the villain.
⑤ 讲笑话 / 故事:A man walks into a bar ...

易混淆: 历史现在时 vs 一般现在时 — 形式相同,语境不同。一般现在表「永远 / 现在」(Money tells stories);历史现在表「过去 / 一时」(The year is 1792)。读者通过时间锚点(1792 / 那一年)判断。

中国学生常见错误:
✗ 在普通历史描述里乱用 — 不是所有过去叙事都该用 historic present,只在文学性叙事或追求临场感时用
✓ 一般历史描述用 simple past:Hamilton signed the Act in 1792
✓ 文学性叙事用 historic present:The year is 1792 ... Hamilton signs the Act
✗ Yesterday I go to school and I see him(口语化的乱用 — 书面应避免)

课文例句:
① S-002 The year is 1792, and a young republic stamps out its first silver dollar at the Philadelphia mint.(开篇即用历史现在时,把读者拉入 1792 年现场)

3. 现在进行时 · Present Continuous

一句话: 表「此刻正在进行」或「当前一段时间持续进行」的动作。形式:am / is / are + V-ing。

详细: 现在进行时是英语「当下进行中」最直接的表达。它的核心是「动作未结束、还在进行」。中国学生易误用 — 把所有「现在」一律用进行时,但状态动词(love / know / believe / contain)通常不用进行时。

形式 / 用法: 主语 + am/is/are + V-ing。否定:am/is/are + not + V-ing。疑问:Am/Is/Are + S + V-ing?

中英对照: 中文用「正在 / 在」标记进行(我正在吃饭 / 我在写信),英文必须有 be 动词:I am eating(漏 be 是中国学生最常见错)。中文进行时和一般时的边界模糊,英文严格区分。

4 种用法:
① 当下正在:I am writing this letter now.
② 近期持续(可能中断):I am reading a great novel(this week).
③ 近期计划好的将来:I am leaving tomorrow.
④ 反复 / 抱怨情绪(加 always):He is always complaining(他总抱怨 — 反感语气)

易混淆: 状态动词不用进行时 — love / know / believe / contain / belong / understand / want 等表「状态」的动词通常不用进行时。✗ I am loving you / ✓ I love you。例外:see / think / have 在某些用法中可用进行时(I'm seeing him today = 我今天要见他)。
现在进行 vs 现在完成进行 — 进行强调当下动作,完成进行强调「从过去到现在持续」。I am studying(此刻在学)/ I have been studying for 3 hours(已学 3 小时,还在学)。

中国学生常见错误:
✗ I am know him(状态动词不用进行)
✓ I know him
✗ He is have a book(have 表拥有时不用进行)
✓ He has a book
✗ I writing now(漏 be)
✓ I am writing now

课文例句:
本课文以历史叙事为主,现在进行时未直接出现。可参照同源结构:
① S-002 历史现在 stamps out(类似进行义,但用一般现在为修辞)
② S-066 含进行结构 is going to issue(be going to + 原形)

4. 现在完成时 · Present Perfect

一句话: 「过去发生 + 对现在仍有影响」。连接过去起点和现在,强调「到目前为止」。形式:have / has + 过去分词。

详细: 现在完成时是英语最有特色、最难掌握的时态。它在中文里没有直接对应 — 中文用「了 / 过」标记完成体。它有 4 大用法:经验、结果、未完成持续、近期发生。判断要用现在完成时还是一般过去时,关键看「这件事跟现在有没有关系」。

形式 / 用法: have / has + 过去分词(三单用 has)。常配 since / for / already / yet / ever / never / just / so far / recently / lately。

中英对照: 中文不区分「我去过北京」(经验 — 现完)和「我去了北京」(陈述 — 一般过去)— 都用「了 / 过」。英文必须严格分:I have been to Beijing(经验)/ I went to Beijing yesterday(具体过去)。中国学生最大盲区:用一般过去时表达本应是现在完成的语义。

4 大用法:
① 经验(到目前为止做过):I have visited Paris three times.
② 结果(过去做了 → 现在是这样):He has lost his keys.(还没找到)
③ 未完成持续(从过去延续到现在):He has lived here for 10 years.(还住着)
④ 近期发生(刚刚 / 最近):She has just arrived.

易混淆 · 关键:
现在完成 vs 一般过去 — 这是英语时态最易错的对子。
✓ I have lost my keys.(强调结果:现在还没找到)
✓ I lost my keys yesterday.(强调过去:具体时间点)
判断方法:有具体过去时间(yesterday / last year / in 1792)→ 一般过去;无明确时间或与现在相关 → 现在完成。
已经发生过的具体过去时间不能用现在完成:✗ I have seen him yesterday → ✓ I saw him yesterday.

中国学生常见错误:
✗ I have went there(过去分词是 gone,不是 went)
✓ I have gone there 或 I have been there(have been = 去过并回来)
✗ I have seen him yesterday(yesterday 是具体过去时间,不能用现完)
✓ I saw him yesterday
✗ I have studied English since 5 years(since + 时间点 / for + 时间长度)
✓ I have studied English for 5 years 或 since 2020

课文例句:
① S-042 The dollar has floated freely ever since.(从尼克松冲击至今 — 持续到现在)
② S-018 his oratory still echoes(类比 = has echoed 一直回响)
③ S-085 Today, the dollar is traded almost twice as often ...(隐含 has been traded)

5. 现在完成进行时 · Present Perfect Continuous

一句话: 「从过去开始,持续到现在,还在继续」。强调动作的持续性而非完成。形式:have / has + been + V-ing。

详细: 现在完成进行时融合「现在完成」(过去到现在)+「进行」(持续未完)两层语义。它的关键标志是「动作还在进行」 — 现在完成可能动作已结束,完成进行强调还没结束。中国学生掌握现在完成已经困难,完成进行更难。

形式 / 用法: have / has + been + V-ing。常配 for / since / how long / all day / lately。

中英对照: 中文表「一直在 + 时间」(他已经学英语 5 年了)对应英文完成进行,但中文动词形态不变,仅靠「一直 / 还在」等副词表达。英文必须用 have been + V-ing 完整结构。

2 大用法:
① 动作从过去到现在持续:I have been studying English for 5 years.(还在学)
② 近期反复 / 最近一直:He has been calling me lately.(最近一直打电话)

对比现在完成:
现完:I have written 3 books.(强调结果 — 写了 3 本)
完进:I have been writing this book for a year.(强调持续 — 写了一年还在写)

易混淆:
完进 vs 现完 — 完进强调持续过程,现完强调结果。He has worked here(他在这工作过)/ He has been working here for 10 years(已工作 10 年还在)。
状态动词不用完进 — know / love / believe 等不用完进时。✗ I have been knowing him → ✓ I have known him。

中国学生常见错误:
✗ I have been studied English for 5 years(have been + V-ing,不是 V-en)
✓ I have been studying English for 5 years
✗ I have been knowing him for years(状态动词不用完进)
✓ I have known him for years

课文例句:
① S-006 类比的 had been warning(过去完成进行,概念同源)
② S-068 将来完成进行 will have been generating(同结构,时间锚点改为将来)

6. 一般过去时 · Simple Past

一句话: 描述过去某明确时间发生的动作。叙事的基本时态。形式:动词过去式(规则 + -ed,不规则需记)。

详细: 一般过去时是英语叙事的「主时态」 — 几乎所有讲故事、讲历史的句子都用它。它的核心是「过去 + 已结束 + 与现在无关」。如果想强调「与现在相关」,要用现在完成时;如果想表达「过去一段时间持续进行」,用过去进行;如果想表达「过去之前的过去」,用过去完成。

形式 / 用法: 规则动词:V + ed(signed / circulated / borrowed)。不规则动词:特殊形式(go → went / see → saw / sign 是规则但 sign → signed)。否定 didn't + 原形;疑问 Did + S + 原形?

中英对照: 中文用「了」标记完成(我去了北京),不区分一般过去和现在完成。英文必须区分(I went to Beijing 一般过去 / I have been to Beijing 现在完成),且必须有过去时间标志(yesterday / last year / in 1792)。

4 大用法:
① 过去具体时刻发生:Hamilton signed the Act on April 2, 1792.
② 过去习惯(常配 used to / would):He used to live here.
③ 过去状态:He was tired yesterday.
④ 过去叙事链:He arrived, sat down, and ordered coffee.

易混淆 · 关键:
一般过去 vs 现在完成 — 见 #present-perfect 的「易混淆」段落。判断:有具体过去时间 → 一般过去;无具体时间或强调对现在影响 → 现在完成。
一般过去 vs 过去完成 — 一般过去是单一过去事件;过去完成是「过去之前的过去」。He arrived(他来了)/ He had arrived before I left(我走前他已到了)。

中国学生常见错误:
✗ I have seen him yesterday(yesterday 是具体过去时间)
✓ I saw him yesterday
✗ He goed to school(go 不规则,过去式 went)
✓ He went to school
✗ Did you went there?(疑问句 did 后用原形)
✓ Did you go there?

课文例句:
① S-003 On April 2 of that year, Alexander Hamilton signed the Coinage Act into law.
② S-013 被动 The greenback was issued in 1862(过去时被动)
③ S-049 三分句平行 Borrowers wept and farmers went bankrupt, yet bond traders cheered

7. 过去进行时 · Past Continuous

一句话: 「过去某时正在进行」的动作。常用于两个同时进行的过去动作。形式:was / were + V-ing。

详细: 过去进行时的核心是「过去某点 + 正在进行」。它和一般过去时的区别:一般过去时是「过去做了」(动作已结束),过去进行时是「过去正在做」(动作还在进行中)。常用 while / when 引导,描绘两个同时进行的动作。

形式 / 用法: was/were + V-ing。was 配单数(I/he/she/it),were 配复数(you/we/they)。常配 while / when / as / at 8 PM yesterday。

中英对照: 中文「正在 + 动词 + 那时 / 当时」对应英文 was/were + V-ing。中文动词不变(我那时正在吃饭),英文必须用 was/were + V-ing 完整结构。

3 大用法:
① 过去某时正在进行:At 8 PM, I was studying.
② 两个同时进行的过去动作(while):While Hamilton was building, Jefferson was drafting.
③ 过去进行 + 一般过去(中断):I was eating when he called.

易混淆:
while + 过去进行 vs when + 一般过去 — while 强调持续过程(While I was reading);when 强调时间点(When he came in)。两者常配合:While I was reading, when he came in.
过去进行 vs 一般过去 — 进行表过程,一般表完成。He was reading when she called(他正在读 — 过程中)/ He read it when she called(她叫他时他读了 — 完成动作)。

中国学生常见错误:
✗ I was eat when he called(进行 = was + V-ing)
✓ I was eating when he called
✗ While I am reading, he came in(过去时间用 was)
✓ While I was reading, he came in

课文例句:
① S-004 双过去进行 While Hamilton was building a national bank, Thomas Jefferson was drafting the very arguments meant to one day destroy it.

8. 过去完成时 · Past Perfect

一句话: 「过去某点之前已发生 / 已延续」的动作。「过去之前的过去」。形式:had + 过去分词。

详细: 过去完成时是英语时态的「时间分层」工具 — 它把「过去」再分成两层:过去 vs 过去之前。这在叙事里非常有用 — 主线在过去,但偶尔需要回溯到「更早的过去」。它的标志触发词是 By + 过去时间 / Before + 过去事件:By 1811 had circulated / Before he came, I had finished。

形式 / 用法: had + 过去分词(单复数都用 had,不变)。常配 by + 过去时间 / before / by the time / when / after / already / yet / for / since。

中英对照 · 中国学生最大盲区: 中文不严格区分「过去」和「过去之前的过去」 — 都用「了 / 过」。英文必须严格:By 1811(过去时间锚点)+ had circulated(过去之前)。
✗ By 1811, Spanish reales circulated for nearly a century(一般过去 — 语义不准)
✓ By 1811, Spanish reales had circulated for nearly a century(过完 — 强调到 1811 之前已持续)

3 大用法:
① 过去时间点之前已完成:By 1811, reales had circulated for a century.
② 过去事件之前已完成:Before he came, I had finished.
③ 过去虚拟条件(配 if):If he had studied, he would have passed.

易混淆:
过去完成 vs 一般过去 — 过完表「过去之前的过去」(双层),一般过去表「单一过去事件」。
By + 时间锚点必须用过完 — 这是英语硬性搭配。

中国学生常见错误:
✗ By 2000, I lived here for 5 years(必须 had lived)
✓ By 2000, I had lived here for 5 years
✗ Before he came, I have finished(已经在过去,不用现完)
✓ Before he came, I had finished

课文例句:
① S-005 By 1811, Spanish reales had circulated through the thirteen colonies for nearly a century.(经典 By + had + V-en)
② S-040 被动版 By the late 1960s, more than half of America's postwar gold had been spent abroad.
③ S-098 配 once 子句 There was no easy way back to gold once confidence had broken.

9. 过去完成进行时 · Past Perfect Continuous

一句话: 「过去某点之前已持续进行」的动作 — 强调持续性。形式:had + been + V-ing。

详细: 过去完成进行时融合「过去完成」(过去之前)+「进行」(持续未完)两层语义。它专门表达「过去某时之前,这件事已持续了一段时间」。最经典搭配:For + 时间长度 + had been V-ing。

形式 / 用法: had + been + V-ing(三种成分缺一不可)。常配 for / since。

中英对照: 中文「他已经一直在 + 动 + 时间长度 + 那时」对应英文 had been + V-ing for + 时间。中文动词不变,英文必须三层结构(had + been + V-ing)。

2 大用法:
① 过去某点之前持续进行:For 20 years, the Jeffersonians had been warning their countrymen.
② 过去某点之前刚结束(余韵):She was tired because she had been running.

易混淆:
过完 vs 过完进行 — 过完强调结果(I had finished by 8),过完进行强调持续过程(I had been working for 5 hours by 8)。
状态动词不用过完进行 — know / love / believe 等不用完进时。

中国学生常见错误:
✗ For 20 years, the Jeffersonians had warned(失去持续语义)
✓ For 20 years, the Jeffersonians had been warning
✗ I had been knew him for years before that(状态动词)
✓ I had known him for years before that

课文例句:
① S-006 For two decades, the Jeffersonians had been warning their countrymen against centralized finance.(经典 for + had been + V-ing)

10. 一般将来时 · Simple Future (will)

一句话: 表「将来某时将发生」 — 预测、承诺、当场决定。形式:will + 动词原形。

详细: 一般将来时是英语表「将来」最简单也最直接的形式。will 同时承担预测(I think it will rain)、承诺(I will help you)、当场决定(I'll have coffee)、客观未来(The dollar will outlive us)。中国学生易和 be going to 混淆 — 后者偏「计划好的」或「迹象表明的」。

形式 / 用法: will + 动词原形(主语无人称变化)。否定 will not / won't,疑问 Will + S + V?也可用 shall(I/we 主语,英式较多)。

中英对照: 中文「将 / 会 / 要」表将来,无形态变化(我将去 / 我会去 / 我要去)。英文 will 是必备的助动词,绝不能省。

4 大用法:
① 预测:The dollar will outlive its critics.
② 承诺 / 决意:I will help you tomorrow.
③ 当场决定:OK, I'll have coffee.
④ 客观未来 / 法律式:The Senate will convene at noon.

易混淆:
will vs be going to — will 偏即时决定 / 中性预测;be going to 偏「已计划好」或「有迹象表明」。
✓ Look at the clouds — it's going to rain(有迹象)
✓ I think it will rain(主观预测)
✓ I'll have coffee(当场决定)
✓ I'm going to study tonight(已计划好)
will vs shall — shall 在现代英语逐渐被 will 取代,但在法律 / 正式场合(政府宣告 / 法律条款)仍用。

中国学生常见错误:
✗ I will to go tomorrow(will 后是原形)
✓ I will go tomorrow
✗ If it will rain, I won't go(if 从句中表将来用一般现在)
✓ If it rains, I won't go

课文例句:
① S-065 预测 The dollar will outlive the men who fear for its life.
② S-062 法律式 shall not face(郑重宣告)
③ S-063 将来进行 will be challenging

11. be going to 将来式

一句话: 「已经计划好的」或「有迹象表明的」将来。比 will 更「板上钉钉」。形式:am / is / are + going to + 动词原形。

详细: be going to 和 will 都表「将来」,但语义微妙差别 — be going to 强调「已经决定」或「有迹象指向」,will 偏「即时决定 / 中性预测」。在新闻、政经评论里 be going to 出现频率高于 will,因为它的语气更「确定」。

形式 / 用法: 主语 + am/is/are + going to + 动词原形。否定 am/is/are not going to,疑问 Am/Is/Are + S + going to?

中英对照: 中文「打算 / 准备 / 即将」对应 be going to,「会 / 将」对应 will。中国学生常分不清,统一用 will。其实 be going to 在「计划」「迹象」语境更地道。

2 大用法:
① 已计划好的将来:I am going to study English tonight.(计划)
② 迹象表明即将发生:Look at those clouds — it's going to rain.(迹象)

易混淆:
be going to vs will — going to 偏「计划 / 迹象」;will 偏「即时决定 / 预测」。详见 #simple-future。
going to + V vs going to + 名词 — 前者是将来式(I'm going to study);后者是「去...」的字面义(I'm going to school)。

中国学生常见错误:
✗ I am going study tonight(漏 to)
✓ I am going to study tonight
✗ I will study tonight, I have planned it(已计划用 be going to 更地道)
✓ I am going to study tonight

课文例句:
① S-066 Some economists insist that, sooner or later, every government is going to issue a digital version of its own currency.(语气比 will issue 更「板上钉钉」)

12. 将来进行时 · Future Continuous

一句话: 「将来某时正在进行」或「将来一段时间内持续进行」。形式:will + be + V-ing。

详细: 将来进行时是「将来」+「进行」的组合。它的语用价值:① 把将来事件「描绘成进行中」让叙事更生动;② 表示「将来一段时间会持续做某事」(更礼貌、更间接的将来表达)。

形式 / 用法: will + be + V-ing。常配 at 8 tomorrow / this time next week / for the next decade。

中英对照: 中文「将一直在 + 动 + 时间」对应英文 will be + V-ing。中文不严格区分「将做」(will do)和「将正在做」(will be doing)。英文则严格区分。

3 大用法:
① 将来某时正在进行:At 8 tomorrow, I will be studying.
② 将来一段时间持续:For the next decade, the dollar will be facing challenges.
③ 礼貌问询(委婉表达):Will you be using the car tonight?(委婉问 = 你今晚要用车吗?)

易混淆:
将来进行 vs 一般将来 — 一般将来表「将做」(I will study),将来进行表「将正在做 / 将一直在做」(I will be studying)。
将来进行 vs 将来完成进行 — 进行不强调起点,完成进行强调「从某点开始持续」。

中国学生常见错误:
✗ I will be study tomorrow(进行 = be + V-ing)
✓ I will be studying tomorrow
✗ 状态动词用进行 — ✗ I will be knowing → ✓ I will know

课文例句:
① S-063 Within a decade, a new species of money will be challenging the dollar's monopoly on global reserves.(将来一段时间持续挑战)

13. 将来完成时 · Future Perfect

一句话: 「将来某时之前已完成」的动作。形式:will + have + 过去分词。

详细: 将来完成时是英语时态系统的「未来分层」工具 — 把将来再分成两层:「未来某点」vs「未来某点之前」。它的标志触发词是 By + 将来时间:By 2030 will have launched / By the time you arrive, I will have finished。

形式 / 用法: will + have + 过去分词。常配 by + 将来时间 / by the time + 从句。

中英对照: 中文「到 + 将来时间 + 时,已经做了 + 动」对应英文 By + 时间 + will have + V-en。中文动词不变,英文必须 will + have + V-en 三层结构。

2 大用法:
① 将来时间点之前已完成:By 2030, all banks will have launched CBDCs.
② 将来事件之前已完成:By the time you arrive, I will have finished.

易混淆:
将来完成 vs 一般将来 — 一般将来表「将做」(I will finish),将来完成表「到那时已经做完」(By 8 PM, I will have finished)。
将来完成 vs 现在完成 — 时间轴不同。现完是「过去到现在」,将完是「现在到将来」。

中国学生常见错误:
✗ By 2030, every bank will launch CBDC(必须用 will have + V-en)
✓ By 2030, every bank will have launched CBDC
✗ By 8 PM, I will finished(漏 have)
✓ By 8 PM, I will have finished

课文例句:
① S-067 By 2030, every major central bank will have launched, or at least tested, its own central-bank digital currency.(经典 By + will have + V-en)

14. 将来完成进行时 · Future Perfect Continuous

一句话: 「到将来某点 + 一直在持续进行」 — 12 大时态中最罕见也最复杂。形式:will + have + been + V-ing。

详细: 这是英语 12 时态里最复杂的一种 — 4 个动词成分(will + have + been + V-ing)。它表达「到将来某时之前,这件事已经持续做了多久」。语用价值高,但在日常对话中使用频率低,主要见于学术、政经、文学写作。

形式 / 用法: will + have + been + V-ing(4 个成分)。常配 by + 将来时间 / by the time + 从句 / for + 时间长度。

中英对照: 中文「到时候 + 已经 + 一直在 + 动 + 多久」对应英文 By + will have been + V-ing for + 时间。中文需 5 层副词修饰,英文用 4 个动词成分一气呵成。

典型用法: 表「到将来某时,这件事已持续了 X 时间」
By 2030, the world will have been generating digital currencies for 20 years.
By the time you finish reading, I will have been writing this article for 3 hours.

易混淆:
将完进 vs 将完 — 将完强调结果(已完成),将完进强调持续(已持续 X 时间)。
By 2030, will have launched(已发行)/ By 2030, will have been generating(已持续生成 X 年)。

中国学生常见错误:
✗ By 2030, I will been studying for 10 years(漏 have)
✓ By 2030, I will have been studying for 10 years
✗ 状态动词用完进 — ✗ will have been knowing → ✓ will have known

课文例句:
① S-068 By the time you finish reading this article, the world will have been generating new dollars, new debts, and new questions every second.(本课文极珍贵的将来完成进行例)

15. 过去将来时 · Future-in-the-Past

一句话: 「从过去角度看的将来」 — 站在过去某时点,谈那时之后将发生的事。形式:would / was-going-to / was-about-to / was-to + 动词原形。

详细: 过去将来时是叙事文里常见的视角技巧 — 站在过去时间点上,讲述「那时之后将发生的事」。在新闻报道、历史叙事、传记里高频使用,因为它能创造「悬念」或「回忆视角」。语法上常用 would 的「将来」义(不是过去式 will,而是「过去角度的将来」)。

形式 / 用法:
① would + 动词原形(最常见):He said he would come.
② was/were going to + 动词原形:I was going to call you.
③ was/were to + 动词原形(注定 / 命定语气):He was to die a year later.
④ was/were about to + 动词原形(即将):I was about to leave when ...

中英对照: 中文用「将 / 会」+ 过去时间锚标(他说他会来),英文用 would + V。中文不区分「现在的将来」和「过去的将来」,英文严格区分(will / would)。

4 种形式 + 语气差别:
① would + V:中性「将」
② was going to + V:已计划好
③ was to + V:命定 / 注定(文学色彩)
④ was about to + V:即将(时间紧迫)

易混淆:
would 的多重身份 — 过去将来(He said he would come)/ 过去习惯(He would always smile)/ 虚拟语气(I would go if I could)/ 委婉(Would you help?)。看上下文判断。
was/were to + V — 注定的命运(He was to become president)— 文学色彩浓,类似「命中注定」。

中国学生常见错误:
✗ He said he will come(主从时态不一致)
✓ He said he would come(过去说 → 用过去将来)
✗ I was about leave when ...(漏 to)
✓ I was about to leave when ...

课文例句:
① S-004 嵌入命定式 arguments meant to one day destroy it(从过去角度看的将来)
② S-041 命定式 what would later be called the Nixon Shock(would + 被动)
③ S-044 嵌入式 Inflation, slumbering since the 1950s, awoke in the 1970s(隐含「将来」回看)

④ 语态 · 八种被动

1. 一般现在时被动 · Simple Present Passive

一句话: 「主语被怎么样」的现在事实。形式:am / is / are + 过去分词。

详细: 被动语态把动作的「承受者」推到主语位置 — 强调结果而非施动者,常用于客观描述、新闻报道、规章制度。一般现在被动表「现在的客观事实」(美钞由 X 印制 / 法律由 Y 制定)。

形式 / 用法: S(承受者)+ am/is/are + V-en + (by + 施动者)。否定 not 加 be 后,疑问 be 提前。施动者可省(默认或不重要时)。

中英对照: 中文用「被 / 由」标记被动(钞票由央行印制 / 房子被烧了),无形态变化。英文必须 be + 过去分词。中国学生最大盲区:用主动思维表达被动。✗ Bank prints banknote → ✓ Banknote is printed by bank.

2 大用法:
① 客观陈述事实(施动者明确但不重要):Banknotes are printed by the Bureau.
② 施动者未知 / 不明(默认省略):My wallet was stolen.

易混淆:
被动 vs 系动词 + 形容词 — He is tired(系动词 + 形容词,不是被动)/ He is loved(被动 — be + V-en)。判断:V-en 是否带动作意味?是 → 被动;否 → 形容词。
不及物动词无被动 — happen / occur / appear / arrive 不能被动化(✗ The accident was happened)。

中国学生常见错误:
✗ The accident was happened(happen 不及物)
✓ The accident happened
✗ The book is written by I(by 后用宾格)
✓ The book is written by me

课文例句:
① S-020 Today, every American banknote is printed by the Bureau of Engraving and Printing under Federal Reserve authority.(经典 is + V-en + by)

2. 现在完成时被动 · Present Perfect Passive

一句话: 「主语已被怎么样,且对现在仍有影响」。融合「现在完成」+「被动」两层语义。形式:have / has + been + 过去分词。

详细: 这是英语高级时态的常用形式 — 既要表达「过去到现在」的完成体,又要表达「主语是承受者」的被动义。新闻、政经评论里频繁出现。

形式 / 用法: have / has + been + V-en。否定 have/has not been。常配 since / for / already / never。

中英对照: 中文「已经被 + 动 + 了 / 至今」对应英文 has been + V-en。中文「了」不分主被动,英文必须显式 be + V-en。

典型用法: 表「过去到现在已被完成的某事」
The dollar has been traded for centuries.
The novel has been translated into 30 languages.

易混淆:
现完被动 vs 一般现在被动 — 一般现在表当前事实,现完被动表「过去到现在持续 / 累计」。Banknotes are printed(每天都印 — 现在事实)vs Banknotes have been printed for 100 years(已印 100 年 — 累计持续)。

中国学生常见错误:
✗ The book has been writing for years(被动 = been + V-en,不是 V-ing)
✓ The book has been written(被动)/ has been being written(完成进行被动 — 罕见)
✗ The book has wrote(混淆 V-ed vs V-en)
✓ The book has been written

课文例句:
① S-050 同句双被动 By the mid-1980s, inflation had been beaten back, and to this day, a price spiral of that scale has not been seen on American soil.(过完被动 + 现完被动同句对照)

3. 一般过去时被动 · Past Passive

一句话: 「主语过去某时被怎么样」。形式:was / were + 过去分词。

详细: 一般过去被动是叙事文最常用的被动形式 — 描述过去发生在主语身上的事件。它把「谁做了什么」改写成「什么被做了」,聚焦事件本身而非施动者。新闻报道极常见(法律被签 / 协议达成 / 战争爆发)。

形式 / 用法: S + was/were + V-en + (by + 施动者)。was 配单数,were 配复数。

中英对照: 中文「被 / 由」标记过去被动(他被打了 / 法律由 X 签订),英文必须 was/were + V-en。

典型用法:
① 历史叙事:The Coinage Act was signed in 1792.
② 受害陈述:My wallet was stolen yesterday.
③ 经过描写:The bridge was built in 1900.

易混淆:
过去被动 vs 过去时 be + 形容词 — He was tired(系 + 形容词)/ He was hired(被动 — be + V-en)。判断:V-en 带动作?是 → 被动;否 → 形容词性。

中国学生常见错误:
✗ The Act was sign in 1792(被动用 V-en)
✓ The Act was signed in 1792
✗ It was happened yesterday(happen 不及物,无被动)
✓ It happened yesterday

课文例句:
① S-013 经典过去被动 The greenback was issued in 1862 to finance a war the Treasury could no longer pay for in coin.

4. 过去完成时被动 · Past Perfect Passive

一句话: 「过去某时之前已被怎么样」。融合「过去完成」+「被动」两层语义。形式:had + been + 过去分词。

详细: 这是英语叙事写作里高频的复合时态。它表「过去之前的过去 + 被动」 — 在过去某锚点之前,某事已被完成。和过完一样,典型搭配是 By + 过去时间。

形式 / 用法: had + been + V-en(单复数都 had)。常配 by + 过去时间 / before / by the time。

中英对照: 中文「到 + 过去时间 + 已经被 + 动 + 了」对应 By + had been + V-en。中文动词不变,英文必须三层结构(had + been + V-en)。

典型用法:
By 1968, half of America's gold had been spent abroad.
By the time he arrived, the decision had been made.

易混淆:
过完被动 vs 过去被动 — 过完被动有时间分层(过去之前的过去 + 被动),过去被动是单一过去事件 + 被动。
By 1968 → had been spent(过完被动)
In 1968 → was spent(过去被动)

中国学生常见错误:
✗ By 1968, half of the gold was spent abroad(By + 过去时间必配 had been)
✓ By 1968, half of the gold had been spent abroad

课文例句:
① S-040 经典过完被动 By the late 1960s, more than half of America's postwar gold had been spent abroad.
② S-050 同句过完被动 + 现完被动 By the mid-1980s, inflation had been beaten back ...

5. 一般将来时被动 · Future Passive

一句话: 「主语将被怎么样」。形式:will + be + 过去分词。

详细: 将来被动用于「未来某事将发生在主语身上」。常见于政经评论、预测、计划文书。结构上是「will(将来助动词)+ be(被动 be)+ V-en(过去分词)」三层。

形式 / 用法: will + be + V-en。否定 will not be。也可用 shall be(正式)。

中英对照: 中文「将被 + 动」对应英文 will be + V-en。中文动词不变,英文三层结构。

典型用法:
The bill will be signed tomorrow.
Every contract will be rewritten if the dollar falls.
The matter will be discussed at the next meeting.

易混淆:
将来被动 vs 一般将来 — 将来用 will + V(I will sign);将来被动用 will be + V-en(It will be signed)。
将来被动 vs 情态被动 — 将来被动专指 will,情态被动包括 must / may / should + be + V-en(见下条)。

中国学生常见错误:
✗ The bill will be sign(被动 = V-en)
✓ The bill will be signed
✗ It will sign tomorrow(语义混乱 — 是签还是被签?)
✓ It will be signed tomorrow

课文例句:
① S-069 三项并列将来被动 If the dollar ever does lose its reserve status, every commodity, every loan, and every contract on earth will be rewritten.

7. Get-被动 · Get-Passive

一句话: 用 get 代替 be 构造的被动。比 be-被动更口语化,强调「突然发生变化」,常带负面或意外色彩。形式:get + 过去分词。

详细: Get-被动是英语口语和半正式写作的特殊被动形式。它和 be-被动的关键区别:① 语用色彩 — get 暗示「事件发生 / 状态变化」,be 偏静态;② 情感色彩 — get 常带「负面 / 意外」(get fired / get robbed / get hit);③ 文体差异 — get 偏口语,be 偏正式。

形式 / 用法: get + V-en(get / gets / got / has gotten)。无 by + 施动者(罕见)。否定 didn't get。

中英对照: 中文「被 + 动」可以对应 be 也可以对应 get,但「突然」「意外」语境更对应 get。「他被解雇了」如果强调突然 → He got fired(口语);如果中性 → He was fired(中性)。

典型场景:
① 负面 / 意外事件:He got fired / She got robbed / I got hit by a car.
② 突然变化:The situation got resolved last week.
③ 口语化的「成为」:They got married last year.

易混淆:
get-被动 vs be-被动 — get 偏口语 + 突然 + 负面;be 偏正式 + 中性。He got fired(口语,突然 — 没预警就被开)/ He was fired(中性 — 客观陈述)。
get + 形容词 vs get-被动 — He got tired(系 + 形 — 变累)/ He got fired(被动 — 被解雇)。判断:V-en 带动作?是 → 被动;否 → 形容词。

中国学生常见错误:
✗ 在正式书面语中过度使用 get-被动 — 显得不够正式
✓ 学术 / 政经 / 法律写作首选 be-被动
✓ 新闻、文学、口语转写可用 get-被动
✗ He got fire yesterday(被动用 V-en,fire → fired)
✓ He got fired yesterday

课文例句:
① S-028 经典 get-被动(强调「突然 / 强制」) On April 5, 1933, every gold coin in private hands got recalled to the Treasury.(政府强制召回 — get 比 was 更带「突然 / 强制」色彩)

8. 使役被动 · Causative "have something done"

一句话: 「让某物 / 某事被(他人)做」。主语自己不做,而是安排别人做。形式:have + 宾语 + 过去分词。

详细: 使役被动是英语极重要、中文里没有直接对应的结构。它的语义不是「我做」,也不是「我被做」,而是「我让某物被(其他人)做」 — 三方关系。在政经、商业写作里高频出现(have a contract signed / have the system updated / have the metal reminted)。

形式 / 用法: have + 宾语(物)+ 过去分词。可变形:get + 宾语 + V-en(更口语)。常配时间状语。

中英对照 · 中国学生最大盲区: 中文「让 X 被 Y 做」用「让 + 名词 + 被 + 动」(让金属被重铸)— 但中文几乎不这么用,常用主动形式(让人重铸金属)。英文则严格用 have + N + V-en。
✗ I let my hair cut(let 不能用于这种使役)
✓ I had my hair cut
✗ I had my hair cutted(cut 是不规则,过分仍是 cut)
✓ I had my hair cut

3 种相近结构对比:
① have + O + V-en(让 X 被做 — 客观):I had my hair cut.
② get + O + V-en(让 X 被做 — 口语):I got my hair cut.
③ have + O + V 原形(让某人做某事 — 不是被动):I had him cut my hair.
④ have + O + V-ing(让 X 在做):I had him waiting outside.

易混淆:
使役被动 vs 完成时 — I have cut my hair(我自己剪了 — 完成时)/ I have my hair cut(我让人剪了 — 使役被动)。
使役被动 vs make / let + 不带 to 不定式 — make/let 是「使某人做」(主动);have something done 是「让某物被做」(被动)。

中国学生常见错误:
✗ I will repair my car next week(自己修)→ ✓ I will have my car repaired next week(让人修)
✗ I let my hair cut(let 不用于「让某物被做」)
✓ I had my hair cut
✗ The metal was reminted by Roosevelt(失去「让 X 安排」的语义)
✓ Roosevelt had the metal reminted

课文例句:
① S-029 双重使役被动 Within weeks, Roosevelt had the confiscated metal reminted into bullion bars and shipped to Fort Knox.(罗斯福让金属被重铸 + 被运输 — 双过分)

⑤ 情态动词 · 完整覆盖

1. can / could · 能力 / 可能 / 许可

一句话: can 表「能力、可能性、许可」。could 是 can 的过去时,但也常用作委婉或假设。

详细: can / could 是英语最常用的情态动词。三种核心语义:能力(I can swim)、可能性(It can rain in April)、许可(You can go now)。could 不只是 can 的过去式 — 它常单独表「委婉请求」(Could you help?)、「假设可能」(I could go if invited)、「过去能力」(He could speak French as a child)。

形式 / 用法: can / could + 动词原形(永远不带 to)。否定 cannot / can't / could not / couldn't。疑问 Can / Could + S + V?

中英对照: 中文「能 / 会 / 可以」对应 can,「能 / 可能 / 想必」对应 could。中文不严格区分能力和许可,英文也都用 can — 但语气强弱(can vs may)有微妙差别。中国学生最大盲区:把 could 当成 can 的纯过去式,忽视它的「委婉 / 假设」用法。

5 种用法:
① 能力:She can speak three languages.
② 可能性(中性 / 一般):It can rain in April.
③ 许可:You can leave now.
④ 过去能力 / 过去许可(用 could):I could swim at age 5.
⑤ 委婉 / 假设(用 could):Could you help me?(委婉)/ I could go if I had time.(假设)

易混淆:
can vs may(许可)— may 更正式礼貌(May I leave? — 商务 / 学校 / 长辈);can 更口语(Can I leave? — 朋友间)。
could vs was able to(过去能力)— could 表一般能力(He could swim);was able to 表「特定场合做成了某事」(Yesterday he was able to swim across the river)。
could vs could have — could 表「现在 / 假设可能」;could have + V-en 表「过去本可以但没做到」(I could have helped — 我本可以帮但没帮)。

中国学生常见错误:
✗ I can to speak English(can 后无 to)
✓ I can speak English
✗ Yesterday I could swim across the river(特定场合用 was able to)
✓ Yesterday I was able to swim across the river
✗ Can you please help me(过于直接,委婉用 could)
✓ Could you please help me

课文例句:
① S-043 假设可能 could move(After 1971, a single sentence from a central banker could move trillions of dollars overnight)
② S-013 否定能力 could no longer pay for(国库再也无法用硬币偿付)

2. may / might · 可能性 / 许可 / 祝愿

一句话: may 表「可能、许可、祝愿」;might 是 may 的过去式,但常表「更弱的可能性」或委婉。

详细: may / might 比 can / could 更正式、更委婉。它们的核心语义是不确定的可能性 — 「也许会 / 也许不会」。在政经 / 学术写作里,作者用 may / might 而非 can,因为 may 在「假设语气」上更柔和。

形式 / 用法: may / might + 动词原形。否定 may not / might not。疑问 May + S + V?

中英对照: 中文「也许 / 可能 / 或许」对应 may;「也许 / 不一定」对应 might。中国学生常分不清 may / might 强弱差别 — might 比 may 概率更低、更不确定。

4 大用法:
① 可能性(may 较强,might 较弱):He may come / He might come.
② 正式许可:May I leave?(比 Can I leave 更礼貌)
③ 祝愿 / 抒情:May peace prevail / May the force be with you.
④ 过去可能 / 委婉:He might have left already / I might ask if I were you.

易混淆:
may vs might — 强弱差别。may = 50% 可能;might = 30% 可能。但在很多语境差别可忽略。
may vs can(许可)— may 正式礼貌(商务 / 学校 / 求助长辈);can 口语(朋友间)。
might have done — 表「过去可能 / 过去本可」(对过去的推断或假设)。

中国学生常见错误:
✗ He maybe come tomorrow(maybe 是副词,且不和情态搭配)
✓ He may come tomorrow 或 Maybe he will come tomorrow
✗ May I to leave?(may 后无 to)
✓ May I leave?

课文例句:
① S-047 不确定可能 For a moment, it seemed that the dollar might dissolve along with the country's patience.(might 表过去的不确定可能)
② S-031 目的从句中委婉 in order that public confidence might begin to recover(古典正式)
③ S-105 完成式 might have ended very differently(对过去的不确定推断)

3. must · 必须 / 必然(肯定推断)

一句话: must 表「主观必须」(义务)或「必然如此」(肯定推断)。语气在情态动词中最强。

详细: must 在英语里有两个核心语义:义务(You must finish this — 不容商量)和推断(He must be tired — 必然 / 一定)。它的语气强烈,常带「绝对 / 必然」色彩。否定形式 mustn't = 禁止(不准),不要和 don't have to(不必)混淆。

形式 / 用法: must + 动词原形。must 无过去式,「过去必须」用 had to;「肯定推断的过去」用 must have + V-en。

中英对照: 中文「必须 / 一定」对应 must,「不许」对应 mustn't,「不必」对应 don't have to。中国学生最大盲区:用 must not 表达「不必」 — 实际是「禁止」。

2 大用法 + 完成式:
① 主观必须(义务):You must finish this today.
② 客观必要(常用 have to 替代):I must go now / I have to go now.
③ 肯定推断:He must be tired(必然累)
④ 过去推断(must have + V-en):He must have left(他必然已经走了)
⑤ 否定:must not = 禁止;don't have to = 不必

易混淆 · 关键:
must vs have to — must 主观必要(说话人觉得必要),have to 客观必要(规定 / 情况要求)。
You must see this movie!(我觉得你必须看 — 主观)
I have to work tomorrow.(我必须上班 — 客观)
must not vs don't have to — must not = 禁止(强烈否定);don't have to = 不必(自由)。
You mustn't smoke here(禁止吸烟)
You don't have to come(不必来 — 自由)

中国学生常见错误:
✗ You must not come误为「不必来」
✓ You don't have to come(不必来 — 自由)
✗ I must to study(must 后无 to)
✓ I must study
✗ Yesterday I must work(must 无过去式)
✓ Yesterday I had to work

课文例句:
① S-051 义务 even superpowers must compromise(连超级大国也必须妥协)
② S-060 被动 Lehman Brothers must be remembered as ...(必须被记住)
③ S-104 完成式 Investors must have believed(必然相信 — 对过去的肯定推断)

4. should / ought to · 应该 / 道义建议

一句话: should 表「应该 / 应当」 — 建议、忠告、道义。语气比 must 缓和。ought to 同义,但更正式 / 古风。

详细: should 是英语最常用的「建议」情态动词。它的语气比 must 弱,但比 may 强 — 是「我觉得你应该这样做」的中度建议。在政经评论里,should 用于推荐 / 建议政策(should regulate / should reform);在口语里用于忠告(You should rest / You should try this)。

形式 / 用法: should / ought to + 动词原形。否定 should not / shouldn't。完成式 should have + V-en(本该做却没做)。

中英对照: 中文「应该 / 应当 / 该」对应 should。中国学生最大盲区:should have done 的「本该做却没做」语气 — 中文表达类似的「早知道 / 当初」要靠副词,英文靠情态完成式。

4 大用法:
① 建议 / 忠告:You should rest more.
② 道义责任:Citizens should obey the law.
③ 推断 / 期待:He should arrive soon.(推断 — 应该已快到)
④ 本该做却没做(should have + V-en):I should have called(早就该打电话却没打)

易混淆:
should vs must — should 是建议(可以听可以不听),must 是必须(不容商量)。
should vs ought to — 同义,但 ought to 更正式 / 古风,日常用 should。
should have done vs should do — should do 表「现在 / 将来该做」;should have done 表「过去本该做却没做」 — 含批评、遗憾。

中国学生常见错误:
✗ You should to rest(should 后无 to)
✓ You should rest
✗ I should called him yesterday(should + 原形,本该用 should have + V-en)
✓ I should have called him yesterday

课文例句:
① S-033 道义 no civilized nation should ever again allow gold to dictate ...(罗斯福的政治宣言)
② S-103 完成式 Regulators should have seen the danger of unchecked leverage long before the autumn of 2008(本该看见却没看见 — 含批评)

5. shall · 法律式 / 古典将来 / 第一人称建议

一句话: shall 在现代英语里高度限定使用 — 主要在法律 / 合同 / 正式宣告中表「必须 / 应当」,或在 I/we 主语中表古典「将」。

详细: shall 在 19 世纪是 will 的同义词(I/we 主语用 shall,其他用 will),但现代英语已让位给 will。它现在的主要用途是法律 / 合同 / 正式文件中的强制性表达(The Senate shall convene / Congress shall make no law)。在政府、议会、宣言里仍高频。

形式 / 用法: shall + 动词原形(主要用 I / we 第一人称,但法律语境主语不限)。否定 shall not。疑问 Shall + S + V?

中英对照: 中文「应当 / 必将」对应 shall(尤其在法律和正式宣告里)。中国学生最大盲区:不知何时用 shall 何时用 will — 现代日常基本不用 shall,只有正式法律语言保留。

3 大用法:
① 法律 / 合同强制:Congress shall make no law respecting an establishment of religion.
② 第一人称建议 / 邀请:Shall we go?(我们走吧?)
③ 古典将来(I / we 主语,旧用法):I shall never forget(古风 / 文学)

易混淆:
shall vs will — 现代英语日常用 will。shall 仅在法律 / 议会 / 古典文学保留。
shall not — 在法律语境表「禁止」(强烈否定);日常不用。

中国学生常见错误:
✗ 在普通对话或写作中过度使用 shall — 显得过分正式、刻意古风
✓ 日常用 will,法律 / 政府文件 / 严肃宣告才用 shall
✗ Shall you help me(shall 不用于第二人称建议)
✓ Will you help me 或 Could you help me

课文例句:
① S-062 法律式宣告 Central banks declared, with rare unanimity, that the world shall not face another Lehman.(各国央行的庄严声明,用 shall 不用 will,体现郑重)

5.5 have to · 客观必要(must 的对照)

一句话: 「have to / has to / had to」 — 表「客观必要」(规则、情况、外在压力要求做某事)。和 must 的「主观必要」对照。

详细: have to 是 must 的「客观版」 — 当某事是因外部规则、客观情况、规章必须做时,用 have to;当是说话人主观觉得必要时,用 must。have to 在所有时态中都能用,must 只能在现在时;过去 / 将来必要必须用 had to / will have to。

形式 / 用法: S + have / has / had + to + 动词原形。否定 don't / doesn't / didn't have to(语义为「不必」)。

中英对照: 中文「必须 / 不得不 / 得 + 动」对应 have to。中文不严格区分主客观,英文严格 — must 主观「我觉得必要」,have to 客观「事情要求」。

3 种时态(must 没有的):
① 现在:I have to work today.
② 过去:I had to work yesterday.(必要)
③ 将来:I will have to work tomorrow.
④ 完成:I have had to work overtime all week.
⑤ 否定:I don't have to work(我不必工作)— 对比 must not = 禁止

易混淆 · 关键:
must vs have to — must 主观;have to 客观。You must see this movie!(我觉得你必须看)/ I have to work tomorrow(规定要求)。
mustn't vs don't have to — mustn't = 禁止(强否);don't have to = 不必(自由)。两者完全不同义!
must 无过去式 — 「过去必须」必用 had to(✗ Yesterday I must work → ✓ Yesterday I had to work)。

中国学生常见错误:
✗ You must not come(误为「你不必来」)
✓ You don't have to come(不必)/ You must not come(禁止 — 完全不同)
✗ Yesterday I must work(must 无过去式)
✓ Yesterday I had to work

课文示例:
课文中 must 多次出现(S-051 / S-060 / S-104)。have to 是 must 的对照参考。如:
S-051 even superpowers must compromise(主观必要)— 改 have to 则是 even superpowers have to compromise(客观情况要求)。两者语气微别。

6. dare · 敢(半情态)

一句话: dare 表「敢于」 — 既可作普通实义动词,也可作半情态动词。多见于否定 / 疑问。

详细: dare 是英语少数「半情态动词」之一 — 它在某些语境下像情态(后接动词原形,无需 to;无时态变化),在其他语境下像普通动词(有时态变化,后接 to 不定式)。它常用于「不敢 / 怎敢 / 敢不敢」等否定 / 疑问语境。

形式 / 用法:
① 半情态(否定 / 疑问):dare not + 原形 / Dare he + 原形?
② 普通动词:dare to + 原形(I dare to speak)/ dares to / dared to
③ How dare you 习语:How dare you say that!

中英对照: 中文「敢 / 不敢 / 怎敢」对应 dare。中国学生最大盲区:把 dare 当普通动词,忘记半情态形式 — daren't / dare not + 原形。

3 种典型句式:
① 否定半情态:no banker dared imagine.(没有银行家敢想象 — 不带 to)
② How dare 习语:How dare you challenge the Fed!
③ 普通动词:He dares to speak the truth.(他敢于说真话 — 带 to)

易混淆:
dare 半情态 vs 普通动词 — 半情态在否定 / 疑问句不带 to(He daren't speak / Dare you do it?);肯定句作普通动词带 to(He dares to speak)。
dared imagine vs dared to imagine — 同义,前者半情态(无 to),后者普通动词(带 to)。

中国学生常见错误:
✗ He dare not to speak(半情态后无 to)
✓ He dare not speak 或 He doesn't dare to speak
✗ How dare you to do that
✓ How dare you do that

课文例句:
① S-048 半情态(否定)a level no banker dared imagine(无 to,半情态用法)
② S-030 同上半情态 Never before had a peacetime president dared to redraw ...(此处带 to,普通动词用法)

6.5 need · 需要(半情态 / 普通动词)

一句话: need 表「需要」 — 既可作半情态(后接动词原形,无 to),也可作普通动词(后接 to V)。多见于否定 / 疑问。

详细: need 是英语少数「半情态动词」之一(与 dare 类似)。半情态用法集中在否定 / 疑问句:need not(不必)/ Need I ...?。肯定句中通常用普通动词形态:I need to go。中国学生最大盲区:不知道需要在否定 / 疑问中用半情态形式。

形式 / 用法:
① 半情态(否定 / 疑问):need not / needn't + 原形 / Need I + 原形?
② 普通动词(肯定):I need to + 原形 / I need + 名词

中英对照: 中文「需要 / 不必 / 是否要」对应英文 need。中文不区分形态,英文须用「需要 + 名词」用普通动词;「不必做 X」用半情态。

3 种用法:
① 普通动词 + to V:I need to sleep.
② 普通动词 + 名词:I need a coffee.
③ 半情态(否定):You need not come / You needn't come.
④ 半情态(疑问):Need I tell you?(古典 / 正式)
⑤ need + V-ing(被动义):The car needs washing(车需要被洗)= The car needs to be washed.

易混淆:
need not vs don't need to — 同义,need not 偏书面 / 古风;don't need to 偏口语。
need + V-ing vs need to be V-en — 同义,前者更地道(The car needs washing = The car needs to be washed)。
need 半情态 vs 普通动词 — 半情态在否定 / 疑问句不带 to;普通动词必带 to。

中国学生常见错误:
✗ I need go(需要 + 不定式应带 to)
✓ I need to go
✗ You don't need come(否定可用 needn't 或 don't need to,不能省 to)
✓ You needn't come 或 You don't need to come
✗ The car needs to washing
✓ The car needs washing 或 The car needs to be washed

课文示例:
课文中 need 直接出现少,但同源结构如 S-019 the conviction that the country needed a permanent central bank(普通动词 needed + 名词宾语)。

7. would · 过去习惯 / 委婉 / 假设

一句话: would 是 will 的过去式,但常表三种独立语义:过去反复习惯(过去常做)、委婉(有礼貌的请求)、假设虚拟(would 条件式)。

详细: would 在英语中身份多重。最容易被中国学生忽视的是「过去习惯」用法 — 不是单一过去事件,而是过去某段时间里反复做的事(每周六店主削银屑)。这种用法在历史叙事和回忆性写作里高频出现。

形式 / 用法: would + 动词原形。否定 wouldn't。常配过去时间状语(in those days / at that time / on Saturdays / when I was young)。

中英对照: 中文「过去常 / 那时 + 总是 + 动」对应 would + V。中文不严格区分「过去做了一次」(过去时)和「过去经常做」(would),英文必须区分。

4 大用法:
① 过去习惯(反复做):On Saturdays, he would shave a sliver off the dollar.
② 过去将来(从过去看的将来):He said he would come.
③ 委婉 / 假设:Would you mind helping?
④ 虚拟条件:If I were rich, I would travel.

易混淆:
would 过去习惯 vs used to — 都表过去习惯,但 used to 还可表「过去状态」(I used to be tall),would 不能(✗ I would be tall)。
would 过去将来 vs would 假设 — 看上下文。
would 4 种身份 — 上下文决定。

中国学生常见错误:
✗ I would tall when I was young(would 不表过去状态)
✓ I used to be tall when I was young
✗ He said he will come(主从时态错)
✓ He said he would come

课文例句:
① S-008 过去习惯 On Saturday mornings, a country shopkeeper would shave a thin sliver off any silver dollar he did not trust.(每周六反复做)

8. used to · 过去常做(现在不做了)

一句话: used to + 动词原形 = 「过去经常做但现在不再做」。隐含「现在不做」的对照。

详细: used to 是英语「过去 vs 现在」对照的核心结构。它不仅表过去习惯,还暗示「现在已不再这样」。这是它和 would 的关键差别 — would 只表过去反复,不暗示现在;used to 必含「现在停了」的对照。

形式 / 用法: used to + 动词原形。否定 didn't use to(注意:不是 didn't used to)。疑问 Did + S + use to + V?

中英对照: 中文「以前 + 经常 + 动 + 现在不了」对应 used to。「我以前常喝咖啡(现在不喝了)」 = I used to drink coffee。中文用「以前 / 过去」+「现在不」分开表达,英文一个 used to 包揽。

2 大用法 + 易混对照:
① 过去习惯:I used to smoke(现在戒了)
② 过去状态(would 做不到的):I used to be tall / There used to be a tree here.
③ be used to + V-ing / 名词 ≠ used to:I am used to the noise(我习惯于噪音)
④ get used to + V-ing = 逐渐习惯:I'm getting used to the new job.

易混淆 · 关键:
used to + V vs be used to + V-ing — 形态相似但语义完全不同!
✓ I used to smoke(过去吸烟,现不吸 — 习惯)
✓ I am used to smoking(我习惯于吸烟 — 状态)
中国学生最常错!
used to vs would — used to 可表状态,would 不能。

中国学生常见错误:
✗ I am used to smoke(be used to 后用 V-ing)
✓ I am used to smoking
✗ I used to smoking(used to 后用原形)
✓ I used to smoke
✗ Did he used to live there?(疑问句中用原形 use)
✓ Did he use to live there?

课文例句:
① S-007 过去习惯 American farmers used to carry tobacco notes, Spanish coin, and even gold dust as everyday money.(过去带这些当钱,现在不再了)

9. had better · 强烈忠告 / 警告

一句话: had better + 动词原形 = 「最好 + 动 + 否则后果不堪」。语气比 should 急迫,带警告 / 威胁色彩。

详细: had better 是英语「半情态」结构。形式上像过去时(had),实际表达对当前 / 未来的强烈建议。它的语用强度高于 should — should 是中性建议,had better 暗含「不这样做就麻烦了」。在政经评论里,作者用 had better 警告政策走向。

形式 / 用法: had better(可缩写 'd better)+ 动词原形。否定:had better not + 原形(注意:not 在 better 后)。

中英对照: 中文「最好 + 动 + 否则」对应 had better。中文「最好」语气有时较弱,英文 had better 较强 — 中国学生不知道用它会显得严重。

典型场景:
① 对自己的决意:I had better leave now.
② 对他人的强烈忠告:You had better watch out!
③ 否定:You had better not tell anyone.

易混淆:
had better vs should — should 中性建议,had better 强烈警告。
You should rest(可以听可以不听)
You had better rest(不休息要出事!)
had better vs would rather — 完全不同。had better = 最好(忠告);would rather = 宁愿(选择)。

中国学生常见错误:
✗ You had better to rest(had better 后无 to)
✓ You had better rest
✗ You hadn't better do that(否定形式错)
✓ You had better not do that

课文例句:
① S-082 强烈忠告 Whoever holds dollars in the years ahead had better watch the politics that back them.(语气强 — 不留心就糟糕)

10. would rather · 宁愿

一句话: would rather + 动词原形(+ than + 动词原形)= 「宁愿做 X(而不做 Y)」。表偏好选择。

详细: would rather 是英语表「主观偏好」的固定结构。它和 prefer 同义但更口语化,在英国英语和美国英语中都常见。如果跟从句,要用虚拟语气(would rather + S + 过去时,与现在事实相反)。

形式 / 用法:
① 同主语:I would rather + 原形 + than + 原形
② 不同主语:I would rather + S + 过去时(虚拟)
否定:would rather not + 原形

中英对照: 中文「宁愿 + 动 X + 也不 + 动 Y」对应 would rather X than Y。中国学生最大盲区:would rather + 从句要用虚拟语气(过去时表与现在事实相反)。

4 种结构:
① 同主语 + 单选:I would rather stay home.
② 同主语 + 对比:I would rather stay home than go out.
③ 不同主语 + 现在虚拟:I would rather you stayed here.(过去时表虚拟)
④ 不同主语 + 过去虚拟:I would rather you had stayed there.(过完表虚拟)

易混淆:
would rather + 原形 vs would rather + S + 过去时 — 前者同主语,后者不同主语用虚拟。
would rather vs prefer — 同义。would rather 更口语,prefer 更正式。
would rather A than B vs prefer A to B — 结构不同:would rather + 原形 + than + 原形;prefer + 名词 / V-ing + to + 名词 / V-ing。

中国学生常见错误:
✗ I would rather to stay home(would rather 后无 to)
✓ I would rather stay home
✗ I would rather you stay here(不同主语必须用过去时表虚拟)
✓ I would rather you stayed here

课文例句:
① S-083 同主语对比 Most savers, even today, would rather keep dollars than hold gold for a generation.(储户宁愿持美元,而不要持黄金一代之久)

11. 情态完成式 · Modal Perfect(对过去的推断 / 假设)

一句话: 情态动词 + have + 过去分词 = 「对过去事实的推断、可能、遗憾」。是英语高级写作的标志结构。

详细: 情态完成式是英语谈论过去的最重要工具之一。它把情态语义(必要 / 可能 / 应当)延伸到过去 — 不是说「现在必须」,而是说「过去必然 / 过去本可 / 过去本该」。这种细分在中文里没有直接对应,中国学生最难掌握。

形式 / 用法: 情态(must / should / could / might / may / would / ought to)+ have + 过去分词。注意 have 不变化,过去分词不变化。

中英对照: 中文用「肯定 / 一定 / 本来 / 应该 / 可能 + 已经 + 动 + 了」表达,语义模糊。英文用情态完成式精确区分:must have(肯定推断)/ could have(本可)/ should have(本该)/ might have(也许)。

5 种核心情态完成式:
① must have + V-en:对过去的肯定推断(必然如此)
  He must have left(他必然已经走了)
② should have + V-en:本该做却没做(批评 / 遗憾)
  I should have called(我本该打电话却没打)
③ could have + V-en:本可以但没做到(假设)
  He could have helped(他本可帮但没帮)
④ might have + V-en:过去可能(不确定推断)
  She might have left(她也许走了)
⑤ would have + V-en:本会(虚拟条件结果)
  If I had known, I would have come(早知如此我就来了)

易混淆 · 中国学生最大盲区:
must vs must have — must 对现在的推断;must have 对过去的推断。
should vs should have — should 现在该做;should have 过去本该做却没做(含批评)。
could vs could have — could 现在能 / 假设可能;could have 过去本可以但没做到。
could have vs would have — could have = 本可(能力);would have = 本会(条件下的必然)。

中国学生常见错误:
✗ You should called me yesterday(过去本该用 should have + V-en)
✓ You should have called me yesterday
✗ He must left already(肯定推断过去用 must have + V-en)
✓ He must have left already
✗ If I knew, I would come(完全过去虚拟用过完 + would have)
✓ If I had known, I would have come

课文例句:
① S-011 might have 假设 the Panic of 1837 might never have torn the frontier apart(过去假设 — 1837 那场恐慌也许从未撕裂边疆)
② S-061 could have 本可 every major bank could have collapsed within a fortnight(本可 — 没干预的话本可能两周内倒)
③ S-074 might have 推断 Many a saver in 2008 might have wished that he had bought gold ...(2008 年许多储户也许会希望)
④ S-103 should have 批评 Regulators should have seen the danger ...(监管者本该看见却没看见)
⑤ S-104 must have 推断 Investors must have believed ...(投资者必然相信 — 过去肯定推断)
⑥ S-105 If only + might have If only policymakers had acted sooner, the panic of 2008 might have ended very differently.(过去虚拟感叹)

⑥ 非谓语动词

0.1 不定式(总称) · Infinitive

一句话: 「to + 动词原形」(或不带 to 的原形)整体构成的非谓语形式。可作主语、宾语、表语、定语、状语 — 几乎所有名词或副词的位置。

详细: 不定式是英语三大非谓语之一(另两个是动名词和分词)。它有完整的时态和语态变化(to do / to be done / to have done / to have been done)。中国学生最大盲区:不定式句法功能多而灵活,需要按用法分类掌握。

5 种句法用法:
① 作主语:To predict the future is hard.(详见不定式作主语)
② 作宾语:I want to leave.(详见不定式作宾)
③ 作表语:My plan is to study.
④ 作定语:the way to recover
⑤ 作状语 / 表目的:He went to study.(详见不定式表目的)
⑥ 作宾补:I want him to go.

中英对照: 中文「+ 动 + 是 / 想 / 为了 / 来」对应英文 to V。中国学生最常错:在 want / hope / decide 等动词后用动词原形而不是 to V。

形态完整谱系:
① 主动一般:to do
② 主动完成:to have done
③ 主动进行:to be doing
④ 主动完成进行:to have been doing
⑤ 被动一般:to be done
⑥ 被动完成:to have been done
⑦ 不带 to 形式(bare):do(见不带 to 不定式)

易混淆:
不定式 vs 动名词 — 见动名词。
不定式 vs 分词 — 不定式带 to 标志;分词无 to,是 V-ing / V-en 形态。
不定式 vs 介词 to + 名词 — to V 是不定式;to + 名词是介词短语。

中国学生常见错误:
✗ I want go
✓ I want to go
✗ I look forward to go(look forward to 中 to 是介词,不是不定式)
✓ I look forward to going

课文示例:
① S-072 不定式作主语 To predict the dollar's future is, in the end, to predict the future of the United States itself.
② S-013 不定式表目的 ... to finance a war ...
③ S-073 不定式作宾 have learned to trust

0.2 动名词(总称) · Gerund

一句话: 「V-ing」整体作名词使用。具有动词的「动作意味」(可带宾语 / 状语),又有名词的句法身份(作主、宾、表)。

详细: 动名词是英语三大非谓语之一,也是英语「名物化」(把动作变成名词)的核心机制。它和现在分词形态相同(都是 V-ing),但功能完全不同 — 动名词作名词,现在分词作形容词 / 副词。

4 种句法用法:
① 作主语:Swimming is healthy.(详见动名词作主语)
② 作宾语:I enjoy swimming.
③ 作表语:My hobby is reading.
④ 作介词宾语:I am good at swimming.(详见介词 + 动名词)

中英对照: 中文「+ 动」单独作名词时不变形态(我喜欢游泳 / 游泳是健康的),英文必须 V-ing。这是中文「动 / 名同形」 vs 英文「动 / 名形态分」的根本差异。

形态完整谱系:
① 主动一般:doing
② 主动完成:having done
③ 被动一般:being done
④ 被动完成:having been done
⑤ 否定:not + V-ing(Not knowing the answer ...)
⑥ 所有格 + V-ing:I appreciate your helping me.

易混淆 · 关键:
动名词 vs 现在分词 — 形态相同(V-ing),功能不同。动名词作名词;现在分词作形容词 / 副词。
✓ Swimming is fun(动名词作主)
✓ The man swimming is my brother(现分作定语,修饰 man)
动名词 vs 不定式作宾语 — 不同动词后用法不同。enjoy / mind / avoid / finish + V-ing;want / hope / decide / plan + to V。

中国学生常见错误:
✗ I enjoy to swim
✓ I enjoy swimming
✗ Swim is healthy(动词原形不能作主语)
✓ Swimming is healthy 或 To swim is healthy
✗ I am good at swim(介词后必须 V-ing)
✓ I am good at swimming

课文示例:
① S-015 动名词作主语 Returning to the gold standard seemed prudent ...
② S-016 介词后动名词 By insisting on free silver ...

0.3 分词(总称) · Participle

一句话: 动词的形容词 / 副词形态。两大类:现在分词(V-ing,主动 / 进行义) / 过去分词(V-en,被动 / 完成义)。

详细: 分词是英语三大非谓语之一。它把动词变成「形容词 / 副词」 — 可作定语、状语、表语、宾补,也参与构造时态(完成 / 进行)和语态(被动)。中国学生最大盲区:不知道 V-ing 和 V-en 的语义对照(主 / 进行 vs 被 / 完成)。

2 大分支:
① 现在分词 V-ing(主动 / 进行义):the man sitting there / The boy ran, shouting(详见现在分词短语)
② 过去分词 V-en(被动 / 完成义):the system designed by Keynes / Pushed by Volcker, ...(详见过去分词短语)

中英对照: 中文用「正在...的 / 被...的 / 已...的」对应英文分词。中文必须前置 + 「的」;英文短语级分词必须后置(the system designed by Keynes)。

4 种句法用法:
① 作定语:the man sitting(现分)/ the system designed(过分)
② 作状语:Walking down the street, I saw him.(现分)/ Pushed by hardship, he gave up.(过分)
③ 作表语:He is tired(过分作表语)/ The story is moving(现分作表语)
④ 作宾补:I had it fixed(过分宾补)/ I saw him running(现分宾补)
⑤ 构造时态:进行(be + V-ing)/ 完成(have + V-en)
⑥ 构造语态:被动(be + V-en)

易混淆 · 关键:
现在分词 vs 动名词 — 形态都是 V-ing。分词作形 / 副;动名词作名词。
现在分词 vs 过去分词 — 主动 / 进行义 vs 被动 / 完成义。
✓ inflation slumbering(主动 — 通胀在沉睡)
✓ the system designed(被动 — 体系被设计)
悬垂分词(dangling participle)— 分词的逻辑主语必须等于主句主语:
✗ Walking down the street, the dog barked at me(逻辑混乱 — dog 在走?)
✓ Walking down the street, I heard the dog bark

中国学生常见错误:
✗ The system designing by Keynes(被动义应用过分)
✓ The system designed by Keynes
✗ The man sit there is my brother(分词不是动词原形)
✓ The man sitting there is my brother

课文示例:
① S-034 过分作定语 designed by Keynes and Harry Dexter White
② S-044 现分作定语 slumbering since the 1950s
③ S-064 现分修饰 a currency needing neither ...

1. 不带 to 不定式 · Bare Infinitive

一句话: 「没有 to 的动词原形」。在使役动词、感官动词、help 之后,以及情态动词、do / does / did 后必须用。

详细: 不带 to 不定式是英语里特殊的非谓语形式 — 形态上就是动词原形,但语法功能是「不定式」(动作没有时态、人称)。它的使用有严格规则:在某些动词后必须不带 to(make / let / have / see / hear / feel / watch / help)。中国学生最常见的错误就是漏用或多加 to。

形式 / 用法: 直接用动词原形(无 to)。常见结构:V + O + 原形(I made him cry / I saw her run)。

中英对照: 中文「让 X 做 Y / 看见 X 做 Y」对应英文 V + O + 原形。中文动词无形态变化,英文必须严格区分带 to 还是不带 to。

必须不带 to 的 5 类语境:
① 使役动词 make / let / have:I made him cry.
② 感官动词 see / hear / watch / feel / notice:I heard her sing.
③ help 后(可带可不带 to):He helped me do(或 to do)it.
④ 情态动词后:You must go / He can swim.
⑤ do / does / did 后(疑问 / 否定 / 强调):Did he go? / He did sound the warning.

易混淆:
不带 to vs 带 to — make / let / have 后不带;want / expect / ask / tell 后带 to。
✗ I want him go → ✓ I want him to go
✗ I make him to go → ✓ I make him go
主动 vs 被动 — 不带 to 不定式只在主动语态;被动语态时要变成带 to(He was made to go)。

中国学生常见错误:
✗ I made him to cry(make 后不带 to)
✓ I made him cry
✗ You should to study(情态后无 to)
✓ You should study
✗ He was made go(被动时要带 to)
✓ He was made to go

课文例句:
① S-022 使役 + 不带 to The war made the dollar emerge as a credible reserve currency.(make + dollar + emerge,无 to)
② S-058 强调 do + 不带 to Cassandra after Cassandra did sound the warnings(did + sound,强调)

2. 不定式作主语 · To-inf as Subject

一句话: 「to + 动词原形」整个短语作句子主语,表抽象动作或命题。

详细: 不定式作主语是英语里把「动作变名词」的一种方式。它和动名词作主语(V-ing)平行,但语义微妙不同 — 不定式更抽象 / 一般 / 命题式(To predict is hard);动名词更具体 / 习惯 / 实际行为(Predicting is hard)。

形式 / 用法: To + V + (其他成分)整个短语作主语,占句首位置。但更常见的是用形式主语 it 替代,真不定式后置:It is hard to predict。

中英对照: 中文「+ 动 + 是 + 形容词」对应英文不定式作主语(预测...是难的 = To predict ... is hard)。但英文更常用 it 形式主语句型(It is hard to predict)— 中国学生写作时常忽略这个倾向。

2 种结构:
① 不定式直接作主语(强调命题):To predict the future is difficult.
② 形式主语 it(更常见):It is difficult to predict the future.
两者语义同,但 ② 更自然。

易混淆:
不定式 vs 动名词作主语 — 不定式偏抽象 / 命题(To swim is healthy — 抽象命题);动名词偏具体 / 习惯(Swimming is healthy — 具体活动)。
真主语 vs 形式主语 it — 用 it 后,真主语在句尾。

中国学生常见错误:
✗ To predict is, in the end, predict the future(后面也要 to)
✓ To predict the dollar's future is, in the end, to predict the future of the U.S. itself
✗ Predict the future is hard(主语必须是不定式或动名词,不是动词原形)
✓ To predict the future is hard 或 Predicting the future is hard

课文例句:
① S-072 不定式作主语 + 不定式作表语 To predict the dollar's future is, in the end, to predict the future of the United States itself.(双不定式工整对称)

3. 不定式作宾语 · To-inf as Object

一句话: 「动词后接 to + 动词原形」作宾语。常用动词:learn / want / hope / decide / plan / refuse / agree。

详细: 不定式作宾语是英语里的高频结构。哪些动词后用不定式、哪些用动名词,有相对固定的规则。带「期待 / 决定 / 计划 / 学习」语义的动词通常接不定式;带「享受 / 完成 / 避免」语义的动词通常接动名词。

形式 / 用法: S + V + to + 动词原形 + (其他成分)。

中英对照: 中文「学 / 想 / 决定 / 同意 + 做」对应英文 V + to + V。中国学生最大盲区:不知道哪些动词后用不定式,哪些用动名词 — 这是英语高频考点。

常见接不定式宾语的动词:
① 意图 / 计划:want / hope / wish / plan / intend / decide / mean / aim
② 同意 / 拒绝:agree / refuse / promise / offer / threaten
③ 努力 / 学习:learn / try / manage / fail / attempt
④ 询问 / 期望:ask / expect / wait
⑤ 需要:need / want(注意:want 后必须 to V)

易混淆 · 关键:
不定式 vs 动名词 — 看动词类别
✓ I want to swim(want 后必须不定式)
✓ I enjoy swimming(enjoy 后必须动名词)
✓ I like swimming / I like to swim(like 两者都可,意思相近)
有些动词两者意思不同:remember to do(记得去做)/ remember doing(记得做过) — 这是高考 / 雅思常考。

中国学生常见错误:
✗ I want swim(want 后必须 to V)
✓ I want to swim
✗ I enjoy to swim(enjoy 后必须 V-ing)
✓ I enjoy swimming
✗ I learn trust the dollar
✓ I learn to trust the dollar

课文例句:
① S-073 learn 后用不定式 Most of us have learned to trust the dollar without thinking about why.
② S-035 形式宾语 Keynes found it impossible to persuade the Americans of his bancor proposal.(it 是形式宾,真宾是 to persuade)

4. 不定式表目的 · To-inf of Purpose

一句话: 「to + 动词原形」表目的 — 「为了做...」。是英语表目的最简洁的方式。

详细: 不定式表目的是英语里表「为什么 / 为了什么」最自然的结构。母语者写作里,大约 80% 的「目的」用 to + V 表达,而非 in order to 或 so as to。中国学生爱用「in order to」显得书面,但实际用得过多反而拘谨。

形式 / 用法: 主句 + to + V + ...(目的状语)。或前置:To + V + ..., 主句。

中英对照: 中文「为了 + 做 / 以做 / 来做」对应英文 to + V。但英文更简洁,中文多用「为了...」三字,英文一个 to 就够。

3 种语法变体(语气从口语到正式):
① to + V(默认 / 最简洁):He came to help.
② in order to + V(更正式 / 强调目的):He came in order to help.
③ so as to + V(书面 / 偏委婉):He came so as to help.
④ 否定形式:He came in order not to miss class.

易混淆:
to + V 表目的 vs 表结果 — to V 通常表目的(He went to study),但有时也可以表结果(He studied to find out it was wrong = 学了之后才发现是错的)。看上下文。
to + V 表目的 vs for + V-ing — 表目的用 to + V,不用 for + V-ing(✗ This is for swim → ✓ This is for swimming(动名词作介宾)/ ✓ This is to swim(不定式表目的))。

中国学生常见错误:
✗ He came for help me(目的不用 for + V)
✓ He came to help me
✗ The greenback was issued in 1862 for finance a war
✓ The greenback was issued in 1862 to finance a war
✗ 在简单语境过用 in order to(显得拘谨)
✓ 简单目的用 to + V,正式 / 强调时用 in order to

课文例句:
① S-013 简洁版 The greenback was issued in 1862 to finance a war the Treasury could no longer pay for in coin.
② S-031 正式版 in order that Banks were closed for four days, in order that public confidence might begin to recover.(高度正式,法律式)

5. 动名词作主语 · Gerund as Subject

一句话: 「V-ing + 其他成分」整个短语作主语,表具体动作或活动。

详细: 动名词作主语和不定式作主语形成一对。动名词偏「具体 / 实际 / 习惯性」(Swimming is healthy — 游泳作为活动);不定式偏「抽象 / 一般 / 命题」(To swim is healthy — 抽象命题)。在叙事写作里,动名词作主语让句子更接地气、更具象。

形式 / 用法: 动名词短语放句首作主语。后跟单数动词(动名词作主语永远视为单数)。

中英对照: 中文「+ 动 + 是 + 形容词 / 名词」对应英文动名词作主语。但中文不区分动名词和不定式,英文严格区分。中国学生写英语时不知道何时用 V-ing 何时用 to V — 默认用动名词更接地气。

常见用法:
① 具体活动:Swimming is good for health.
② 政策 / 行为:Returning to the gold standard seemed prudent.
③ 习惯:Smoking kills.
④ 否定:Not knowing the answer is OK.

易混淆 · 关键:
动名词作主语 vs 不定式作主语 —
具体 / 实际 → 动名词:Swimming is fun(游泳很有趣 — 实际活动)
抽象 / 命题 → 不定式:To swim is healthy(游泳是健康的 — 抽象命题)
动名词 vs 现在分词 — 都是 V-ing,但动名词作名词,现在分词作形容词 / 副词。

中国学生常见错误:
✗ Swim is good for health(动词原形不能作主语)
✓ Swimming is good for health 或 To swim is good for health
✗ Returning to the gold standard were prudent(动名词作主语用单数动词)
✓ Returning to the gold standard was prudent

课文例句:
① S-015 动名词作主语 Returning to the gold standard seemed prudent to Eastern bankers and ruinous to Western farmers.(政策行为作主语)

6. 介词后接动名词 · Gerund after Preposition

一句话: 「介词后必须用 V-ing」(动名词),不能用动词原形或不定式。

详细: 这是英语硬性规则 — 任何介词后跟动词,都必须变成动名词形式。by V-ing(通过做)/ in V-ing(在做的过程中)/ without V-ing(不做)/ instead of V-ing(而不是做)/ before V-ing(在做之前)。中国学生最常错的就是这一条。

形式 / 用法: 介词 + V-ing + (其他成分)。整个介词短语可作状语 / 定语 / 表语。

中英对照: 中文「通过 / 不 / 在...之前 + 动」直接接动词,英文必须把动词变 V-ing。中国学生习惯于「by + V」「without + V」 — 必须改成「by + V-ing」「without + V-ing」。

常见介词 + V-ing 搭配:
① by + V-ing(通过做):By insisting on free silver, he rallied farmers.
② in + V-ing(在做的过程中):In recovering, he spent everything.
③ without + V-ing(不做就):He left without saying goodbye.
④ before / after + V-ing(做之前 / 之后):Before leaving, he locked the door.
⑤ instead of + V-ing(而不是做):He read instead of watching TV.
⑥ on / upon + V-ing(一...就):On arriving, I called you.
⑦ despite / in spite of + V-ing(尽管):Despite trying, he failed.

易混淆:
to 介词 vs to 不定式标志 — to 是介词时(look forward to / be used to / object to)后跟 V-ing;to 是不定式标志时后跟原形。
✓ I look forward to seeing you(to 介词)
✓ I want to see you(to 不定式标志)

中国学生常见错误:
✗ By insist on free silver(介词后必须 V-ing)
✓ By insisting on free silver
✗ Without say goodbye
✓ Without saying goodbye
✗ I look forward to see you(look forward to 中 to 是介词)
✓ I look forward to seeing you

课文例句:
① S-016 by + V-ing 状语 By insisting on free silver, William Jennings Bryan rallied a generation of debt-stricken farmers behind him.

7. 过去分词短语 · Past Participial Phrase

一句话: 「V-en + 其他成分」作定语 / 状语,带被动 + 完成义。等价于省略关系代词的定语从句,但更紧凑。

详细: 过去分词短语是英语紧凑写作的关键工具。它把「which is V-en」式的定语从句压缩成短语形式。语义上始终带「被动」(动作发生在主语身上)+「完成」(动作已结束)。是英语正式写作和文学语言的标志。

位置 / 用法:
① 后置定语:the system designed by Keynes(放名词后,中间常加逗号)
② 前置状语(原因 / 时间):Designed by Keynes, the system fixed currencies.
③ 独立状语(独立主格):Trust restored, the dollar resumed authority.

中英对照: 中文「被 + V + 的 + N」对应英文 N + V-en(后置)。中文必须前置「被 X 的 N」,英文则后置 N + V-en。中国学生写英语时常错把过分短语前置。

3 种用法:
① 作后置定语(被动义):the dollar designed by Hamilton
② 作状语(原因 / 时间):Pushed by Volcker, inflation declined.
③ 独立主格:Trust restored, the dollar resumed authority.

易混淆 · 关键:
过去分词 vs 现在分词作定语 —
✓ the system designed(被动:被设计的)
✓ the system designing(主动 / 进行:正在设计的)
判断:动作发生在名词身上 → 过分;名词主动发出动作 → 现分。
过去分词 vs 过去时 — 过去时(signed)作谓语;过去分词(signed)作定语 / 状语 / 完成时 / 被动。

中国学生常见错误:
✗ The system designing by Keynes(被动义,应用过分)
✓ The system designed by Keynes
✗ Designed dollar Hamilton by(语序错)
✓ The dollar designed by Hamilton

课文例句:
① S-034 后置定语 The Bretton Woods system, designed by Keynes and Harry Dexter White, fixed the world's currencies ...
② S-090 with + N + V-en 独立主格变体 With Bretton Woods dismantled and gold finally untethered, the dollar entered ...
③ S-029 多重过分 had the confiscated metal reminted into bullion bars and shipped

8. 现在分词短语 · Present Participial Phrase

一句话: 「V-ing + 其他成分」作定语 / 状语,带主动 + 进行义。对照过去分词的「被动 + 完成」。

详细: 现在分词短语是英语紧凑写作的另一关键工具。它把「which is V-ing / which is V-ing」式的定从压缩成短语。语义上始终带「主动」(主语主动做)+「进行」(动作还在持续)。和过去分词短语形成主动 / 被动对照。

位置 / 用法:
① 后置定语:inflation slumbering since the 1950s(放名词后)
② 前置状语(原因 / 时间 / 方式):Walking down the street, I saw him.
③ 独立主格:The sun setting, we headed home.

中英对照: 中文「正在 + 动 + 的 + N」对应英文 N + V-ing(后置)。和过分类似,中文前置,英文后置。

3 种用法 + 对照过分:
① 作后置定语(主动义):inflation slumbering(通胀在沉睡)/ 对比 inflation beaten back(通胀被击退 — 过分)
② 作状语:Walking down the street, I saw him.
③ 独立主格:The night falling, we left.

易混淆:
现在分词 vs 动名词 — 都是 V-ing。现在分词作形容词或副词;动名词作名词。
✓ Swimming is healthy(动名词作主语)
✓ The man swimming is my brother(现在分词作定语 — 修饰 man)
悬垂分词(dangling participle)— 分词的逻辑主语必须和主句主语一致。
✗ Walking down the street, the dog barked at me.(分词逻辑主语是 dog,但主句说 dog 在叫我?语义混乱)
✓ Walking down the street, I heard the dog bark.

中国学生常见错误:
✗ Inflation slumbered since 1950s, awoke in 1970s(两个谓语 — 缺连接)
✓ Inflation, slumbering since the 1950s, awoke in the 1970s(现分作非限定性后置定语)
✗ 悬垂分词:Walking down the street, the dog saw me(逻辑混乱)
✓ Walking down the street, I saw the dog

课文例句:
① S-044 现分非限定性后置定语 Inflation, slumbering since the 1950s, awoke in the 1970s with sudden ferocity.
② S-064 现分修饰 currency a currency needing neither a government to issue it nor a central bank to control it

9. 简化关系从句 · Reduced Relative Clause

一句话: 完整定从「which is V-en / V-ing」省略「which is」,只留分词。是过 / 现分词短语作定语的「内部解释」。

详细: 简化关系从句不是新语法,而是定语从句和分词短语之间的「桥梁解释」。它揭示了为什么过分 / 现分短语能作定语 — 因为它们本质是省略了关系代词和 be 动词的定从。理解这个关联,有助于把英语长句的「定从 ↔ 分词短语」自由转换。

形式 / 用法:
完整:the system which is designed by Keynes
简化:the system designed by Keynes(去掉 which is)

中英对照: 中文没有完整定从,因此「简化」概念对中国学生不易理解。但中文「被 X 的 N」直接对应英文简化版的 N + V-en。

简化的 3 个步骤:
原句:Money which is issued by an algorithm is something new.
① 去 which is(关代 + be):
Money issued by an algorithm is something new.
② 简化版即过分短语作定语
③ 同样:
the man who is sitting there → the man sitting there(现分版)

易混淆:
能简化的定从 vs 不能简化的 — 必须满足:① 限定性;② 关代是从句主语;③ 谓语是「be + V-en」或「be + V-ing」。
✓ The book that was written in 1900 → The book written in 1900(可简化)
✗ The book that I read → The book read(❌ 关代是宾语,不能简化)

中国学生常见错误:
✗ 把不能简化的定从硬简化:The book read by me is good(关代是宾语,不能省)
✓ The book that I read is good 或省关代 The book I read is good
✗ Money issuing by algorithm(被动义应用过分)
✓ Money issued by algorithm

课文例句:
① S-070 简化版过分定语 Money issued by an algorithm rather than a parliament is something the world has never quite known before.(原型 = Money which is issued ...)

10. 独立主格 · Absolute Construction

一句话: 「名词 + 分词 / 形容词 / 介词短语」自带小主语,作为状语修饰整个主句。比从句紧凑,比分词短语灵活,文学性强。

详细: 独立主格是英语高级写作的标志结构 — 它本身有自己的「逻辑主语」(不同于主句主语),但语法上不是从句(无从属连词),也不是分词短语(分词短语的逻辑主语必须等于主句主语)。它把一个伴随事件、状态、原因压缩成短小、紧凑的形式。

位置 / 用法: 通常前置或后置,用逗号与主句隔开。
① 前置:Trust restored, the dollar resumed authority.
② 后置:He left, his head held high.

中英对照: 中文没有完全等价结构。最接近的是「N 既 V,S 便 V」的文言句法。中国学生不是「用错」,而是「想不到用」。学会主动使用是英语文学感的标志。

4 种构成:
① N + 过去分词(被动 / 完成):Trust restored, the dollar resumed authority.
② N + 现在分词(主动 / 进行):The sun setting, we headed home.
③ N + 形容词 / 介词短语:His face pale, he confessed. / Hands in pockets, he walked.
④ With + N + ...(更常见的口语版):With the night falling, we headed home.

易混淆 · 关键:
独立主格 vs 分词短语 —
分词短语的逻辑主语必须 = 主句主语:✓ Walking down the street, I saw him.(I 都是)
独立主格自带不同小主语:✓ The night falling, we headed home.(falling 的逻辑主语 = the night;主句主语 = we)
独立主格 vs 状语从句 — 独立主格无连接词;状语从句必有连词。

中国学生常见错误:
✗ The book opened, he read it(逻辑混乱,book 不是被打开)
✓ The book open, he read it 或 With the book open, he read it
✗ 悬垂分词:Walking down the street, the dog saw me
✓ Walking down the street, I saw the dog 或独立主格 I walking down the street, the dog saw me

课文例句:
① S-081 独立主格 N + 过去分词 Trust restored, the dollar quietly resumed its authority
② S-090 with + N + 过分(变体) With Bretton Woods dismantled and gold finally untethered, the dollar entered ...

⑦ 名词性从句

that / what / whether / who / which / where / when / why / how 引导的从句,作主语、宾语、表语、同位语。

1. that 引导的主语从句 · That-Clause as Subject

一句话: 「that + 完整句」整个作主语。谓语用第三单(从句视为单数概念)。

详细: that 主语从句是英语正式写作的特殊结构。它把一个完整命题(that the dollar has outlasted every rival)整体作为主语。现代英语更常用形式主语 it 后置(It is X that...),但直接的 that 主语从句在文学、论述、宣言里仍可见,显得郑重有分量。

形式 / 用法: That + S + V + ... + 主句谓语。注意:that 不能省略;整个从句作主语,谓语单数。

中英对照: 中文「+ 一句话 + 是 + 形容词 / 名词」对应英文 That + 从句 + 主句。但中文不需要标志词「that」,英文的 that 是必须的。中国学生最大盲区:不敢用 that 主语从句,觉得「太长」。

2 种结构:
① that 从句直接作主语(正式 / 文学):That the dollar has outlasted every rival currency remains a miracle.
② 形式主语 it 替代(更常见):It remains a miracle that the dollar has outlasted every rival currency.
两者语义同,② 更口语化、更自然。

易混淆:
that 主语 vs that 同位 — 主语从句独立作主语;同位从句紧跟抽象名词(the fact that...)。
that 主语 vs that 宾语 — 主语在主谓动词前;宾语在主谓动词后。
that 不能省(主语从句中)— 否则缺主语。

中国学生常见错误:
✗ The dollar has outlasted every rival currency is a miracle(缺 that)
✓ That the dollar has outlasted every rival currency is a miracle
或更地道 ✓ It is a miracle that the dollar has outlasted every rival currency
✗ That he failed are sad(主语从句作单数)
✓ That he failed is sad

课文例句:
① S-108 That the dollar has outlasted every rival currency remains the most quiet of America's miracles.(经典 that 主语从句作单数)

2. that 引导的宾语从句 · That-Clause as Object

一句话: 「动词 + that + 完整句」 — 从句作动词的宾语。常用于「说 / 想 / 相信 / 主张」类动词。

详细: that 宾语从句是英语最常见的从句结构。任何「言说 / 思考 / 相信 / 主张」类动词后都可接 that 从句承担宾语。它是间接引语的核心结构。在口语中 that 常省略,在书面语中通常保留以避免歧义。

形式 / 用法: S + V + (that) + S + V + ...。that 在口语中可省,书面正式语中保留。

中英对照: 中文「+ 想 / 说 / 知道 / 认为 + 后接句子」对应英文 V + that + 从句。中文动词后直接跟句子,不需 that;英文书面则用 that 标记。

常见接 that 宾语从句的动词:
① 言说:say / tell / declare / argue / insist / claim / state / announce
② 思考:think / believe / suppose / imagine / consider / suspect
③ 认知:know / realize / understand / notice / find
④ 情感:hope / wish / fear / regret / doubt

易混淆:
that 省略 vs 保留 — 在 say / think / know 等高频动词后,口语中常省;书面语中通常保留。
that 宾语从句 vs 直接引语 — 直接引语保留原话(He said, "I am tired"),that 从句改为间接(He said that he was tired,注意时态后移)。

中国学生常见错误:
✗ He said he is tired(主从时态不一致)
✓ He said he was tired 或 He said that he was tired
✗ I think that he should comes(从句谓语错)
✓ I think that he should come

课文例句:
① S-017 declare + 情态被动 Bryan declared that mankind must not be crucified upon a cross of gold.
② S-033 argue + 情态 Roosevelt argued ... that no civilized nation should ever again allow gold ...
③ S-066 insist + be going to Some economists insist that ... every government is going to issue ...

3. wh- 主语从句 / 假分裂句 · Wh-Cleft (Pseudo-Cleft)

一句话: 「What / Whoever / Whatever + 句子」整体作主语。常用于「What X is/was Y」的强调结构(假分裂句)。

详细: wh- 主语从句承担「指代未知或抽象的主体」的功能。它最重要的语用是「假分裂句」(pseudo-cleft)— 用 What X was Y 的结构强调 Y。这是英语强调最常用的句式之一,比 it-cleft 更柔和、更书面。

形式 / 用法: What/Whoever/Whatever + 主谓 + 主句 be 动词 + 表语。

中英对照: 中文「...的(就)是...」对应英文 What... was/is... 的假分裂结构。「真正解决问题的是 X」 = What solved the problem was X。

3 种用法:
① 假分裂句(强调):What restored monetary order was the Resumption Act.(强调结果)
② 不定主语:Whoever signed the Act made history.
③ 抽象主语:What he said shocked everyone.

易混淆:
wh- 主语从句 vs 间接疑问句 — wh- 主语从句作主语(What he said is true);间接疑问句作宾语(I want to know what he said)。看在主句中的角色。
假分裂 vs it-cleft — pseudo-cleft 用 What... was Y(更柔和);it-cleft 用 It was Y that...(更直接强调)。

中国学生常见错误:
✗ What did he say is true(主语从句不倒装)
✓ What he said is true
✗ What he said are true(从句作单数)
✓ What he said is true

课文例句:
① S-014 经典假分裂句 What restored monetary order after Reconstruction was the Resumption Act of 1875.(强调「答案是 Resumption Act」)

4. wh- 宾语从句 / 间接疑问句 · Wh-Clause as Object / Indirect Question

一句话: 「动词 + what / who / where / when / why / how + 句子」 — 从句作宾语。等于「我问 / 我知道 / 我看见 + 一个疑问」。

详细: wh- 宾语从句是英语间接疑问句的核心结构。它把直接疑问(What did he say?)变成陈述语序的从句(I want to know what he said)。中国学生最大盲区:从句内部仍用倒装语序 — 实际应改回陈述语序。

形式 / 用法: S + V + wh-词 + S + V + ...(从句陈述语序,不倒装)。

中英对照: 中文间接疑问保留疑问语序的「他说了什么」,英文必须改为陈述语序 what he said。中国学生最大错:把直接疑问的倒装(What did he say?)硬塞进从句变成 *what did he say in a clause。

常见 wh-词 + 例:
① what:I know what he said.
② who / whom:I asked who came.
③ where:Tell me where you live.
④ when:I forgot when he arrived.
⑤ why:Economists debate why the dollar survived.
⑥ how:I learned how it works.
⑦ which / whether:I don't know which to choose.

易混淆 · 关键:
间接疑问从句不倒装 —
✗ I want to know where is he(从句倒装错)
✓ I want to know where he is(陈述语序)
间接疑问 vs 直接疑问 — 直接疑问倒装(Where is he?);间接疑问从句陈述语序(I asked where he was)。

中国学生常见错误:
✗ I want to know what is his name(从句倒装错)
✓ I want to know what his name is
✗ I asked where did he go
✓ I asked where he went

课文例句:
① S-041 命定语意 + 被动 Richard Nixon announced what would later be called the Nixon Shock.(announced 后接 what 引导的从句)
② S-100 debate + why Economists still debate why the dollar survived when so many rivals failed.(经典间接疑问 — debate 后 why 从句陈述语序)

5. whether / if 名词从句 · Whether-Clause

一句话: 「是否...」的从句作名词性成分。主语只能用 whether,宾语两者皆可,但 whether 更正式。

详细: whether 从句源自 yes/no 疑问句,转化为名词性从句承担主、宾、表语功能。它和 if 是同义词,但有严格的句法区分:作主语和介词宾语只能用 whether;作普通宾语两者皆可。这是中国学生最常错的细节。

形式 / 用法: whether/if + S + V + ...(陈述语序,不倒装)。可加 or not(强调对立 — whether or not)。

中英对照: 中文「+ 是否 / 是不是 + 句子」对应 whether/if 从句。中文不区分主从位置,英文严格区分。中国学生易混淆 whether vs if 的使用场景。

4 种用法:
① 作主语(只能 whether):Whether Bretton Woods could survive was a question.
② 作宾语(两者皆可):I asked whether/if he was coming.
③ 作表语(只能 whether):The question is whether we should go.
④ 作介词宾语(只能 whether):It depends on whether he comes.
⑤ or not:Whether or not he comes, ...(强调对立)

易混淆 · 关键:
whether vs if — 作主语 / 表语 / 介宾,只能 whether;作普通宾语,两者皆可。
whether 名词从句 vs if 条件状从 — whether/if 名词从句表「是否」(I asked if he is coming);if 条件状从表「如果」(If he comes, I'll ...)。看在主句中的角色 — 名词性 vs 状语性。

中国学生常见错误:
✗ If he comes is unclear(主语只能 whether)
✓ Whether he comes is unclear
✗ I am thinking about if he will come(介宾只能 whether)
✓ I am thinking about whether he will come

课文例句:
① S-036 主语从句 Whether Bretton Woods could survive a quarter-century was a question its architects scarcely asked.

6. that 同位语从句 · Appositive Clause

一句话: 「抽象名词 + that + 完整句」 — 从句解释抽象名词的具体内容。是名词的「重命名」。

详细: 同位语从句紧跟抽象名词(fact / idea / belief / hope / news / possibility / conviction / condition),用一个完整命题解释这个名词的具体含义。它和定语从句的关键区别:同位从句中 that 不充当任何成分(纯连接词);定从中 that 充当主语 / 宾语(可省)。

形式 / 用法: 抽象名词 + that + 完整句子。that 不能省。

中英对照: 中文「+ 抽象名词 + 即 / 是 + 句子」(那个事实是他失败了)对应英文 the fact that he failed。中文「即」可省略,英文 that 不能省。

常见接同位从句的抽象名词:
① 认知类:fact / idea / belief / opinion / view / understanding
② 感情类:hope / fear / wish / desire
③ 表态类:conviction / claim / argument / suggestion
④ 条件类:condition / requirement / possibility / chance
⑤ 消息类:news / report / rumor / announcement

易混淆 · 关键:
同位语从句 vs 定语从句 — 都用 that,但 that 角色不同:
✓ The fact that he failed(同位 — that 不充任何成分,纯连接)
✓ The book that I bought(定从 — that 是 bought 的宾语,可省)
判断:that 后的句子完整(主谓宾齐全)→ 同位;缺一个成分(主或宾)→ 定从。

中国学生常见错误:
✗ The fact he failed shocked me(同位从句的 that 不能省)
✓ The fact that he failed shocked me
✗ The fact which he failed(同位从句不能用 which)
✓ The fact that he failed(同位从句必须用 that)

课文例句:
① S-019 同位 the conviction that the country needed a permanent central bank(名词 conviction + that 从句解释)
② S-037 虚拟同位 a single condition: that no one ask for gold(同位 + 虚拟语气 — ask 而非 asks)

⑧ 定语从句

1. 限定性定语从句 · Restrictive Relative Clause

一句话: 「不可省、不加逗号」的定语从句。它对前面的名词起限定作用 — 没有它,先行词就不知道是哪个。

详细: 限定性定从是英语长名词短语的核心机制。它把一个完整命题「下挂」到名词上,起精确限定作用。如果省略,主句就语义不完整或对象不明。是新闻、政经、学术写作的标志。中国学生最大盲区:① 不敢省略宾格关代;② 错用 that 引导非限定性。

形式 / 用法:
名词 + 关代 / 关副 + 主谓宾...
关代:that / which / who / whom / whose
关副:when / where / why
关代是从句的宾格时可省略(成「接触从句」)。

中英对照 · 关键: 中文定语前置 + 「的」(「我读的书」),英文定从必后置(the book that I read)。中国学生最大错:把英文定从前置或漏关代。

5 种关系词 + 用法:
① that(人 / 物均可,最通用):the dollar that Hamilton designed
② which(只指物):the system which Keynes built
③ who(指人,主格):the men who fear for its life
④ whom(指人,宾格 — 现代英语少用):the man whom I saw
⑤ whose(所有格):the bank whose charter was vetoed
⑥ 关代省略(关代是宾格时):any silver dollar [that] he did not trust
⑦ where / when / why(关副):the place where I was born / the time when ...

易混淆 · 关键:
限定性 vs 非限定性 — 限定性必有,无逗号;非限定性可省,有逗号。
✓ The book that I read is good(限定 — 哪本书)
✓ This book, which I read yesterday, is good(非限定 — 补充)
that vs which — 限定性两者皆可(美式偏 that,英式偏 which);非限定性只能用 which。

中国学生常见错误:
✗ I have a friend works in Beijing(漏关代 who)
✓ I have a friend who works in Beijing
✗ The book that I read it is good(关代 + 代词重复)
✓ The book that I read is good 或 The book I read is good
✗ This book, that I read, is good(非限定不能用 that)
✓ This book, which I read, is good

课文例句:
① S-009 限定 + 关代 that The dollar that Hamilton designed weighed exactly 416 grains ...
② S-008 关代省略(接触从句) any silver dollar [that] he did not trust
③ S-065 限定 + who the men who fear for its life

2. 非限定性定语从句 · Non-restrictive Relative Clause

一句话: 「逗号隔开 + 可省略 + 不能用 that」的定语从句。它补充信息而非限定 — 去掉它主句仍完整。

详细: 非限定性定从是英语「插入式补充信息」的关键工具。它用逗号(或破折号)与主句隔开,提供「顺便说一句」的额外信息。不影响先行词的指代,只丰富信息。在散文、报告、政经评论里高频出现。

形式 / 用法: 名词,关代 / 关副 + 主谓宾,(主句继续)。两侧用逗号隔开。从句可省略不影响主句完整。

中英对照: 中文用「,他...」(分句)或「(他...)」(括号)表达类似补充,英文用「, who/which...,」结构。中国学生最常错:把非限定写成限定(漏逗号)或用 that(不允许)。

关键规则:
① 必有逗号 / 破折号
② 不能用 that — 必须用 which / who / whom / whose / when / where
③ 关代不能省略 — 否则缺连接
④ 可介词前置(in which / of whom)

易混淆:
限定性 vs 非限定性 — 见上条。看逗号判断。
非限定性 vs 同位语 — 同位语用名词短语作补充(my friend, a doctor),非限定性用完整从句作补充(my friend, who is a doctor)。

中国学生常见错误:
✗ Andrew Jackson, that distrusted bankers, vetoed ...(非限定不能用 that)
✓ Andrew Jackson, who distrusted bankers, vetoed ...
✗ Andrew Jackson who distrusted bankers vetoed ...(漏逗号 → 变限定,语义不准)
✓ Andrew Jackson, who distrusted bankers, vetoed ...

课文例句:
① S-010 非限定 + who Andrew Jackson, who distrusted bankers as deeply as he distrusted aristocrats, vetoed the Second Bank's charter in 1832.

3. 介词前置定语从句 · Prep + Relative Pronoun

一句话: 「介词放到关代之前」的定从。比口语版「关代 + 主谓 + 介词在末尾」更正式 / 书面。

详细: 这是英语正式书面语的标志结构。同样的语义,可以用两种方式表达:
① 口语版:the dollar which 371.25 grains of were pure silver(of 在末尾,不通顺)
② 正式版:the dollar, of which 371.25 grains were pure silver(of 提到 which 之前)
正式版多用于学术、法律、政经文献。

形式 / 用法: 名词 + 介词 + which / whom + 主谓宾。注意:介词前置时只能用 which / whom,不能用 that。

中英对照: 中文不需要这种结构(中文「其中 X」可以前置)。英文则有这条「正式 vs 口语」的句法选择 — 中国学生写英文论文时学会用 of which / in which 立刻显得正式。

常见介词 + 关代搭配:
① of which(其中):416 grains, of which 371.25 were pure silver
② in which(在...之中):the era in which we live
③ for which(为之):the cause for which they fought
④ to which(向...):the place to which he went
⑤ by which(凭借):the means by which he succeeded
⑥ on which(关于):the subject on which we agree
⑦ with whom(和...):the man with whom I work

易混淆:
介词前置 vs 末尾 — 同语义,前置更正式,末尾更口语。
✓ 正式:the man to whom I spoke
✓ 口语:the man who I spoke to
介词前置不能用 that — 必须 which / whom。✗ of that → ✓ of which。

中国学生常见错误:
✗ The man to that I spoke(介词前置不能用 that)
✓ The man to whom I spoke
✗ The book on which I read it(关代 + 重复代词)
✓ The book on which I read 或 The book I read

课文例句:
① S-009 介词前置 of which ... 416 grains, of which 371.25 grains were pure silver.(of 提到 which 之前 — 高度正式)

4. 简化定语从句 · Reduced Relative

一句话: 完整定从「which / who is V-en / V-ing」省略「which / who is」,只留分词,变成过 / 现分词短语作定语。

详细: 简化定从是英语紧凑写作的关键技巧。它把冗长的定从压缩成简洁的分词短语,信息密度极高。新闻、政经、学术写作里高频。理解这个简化机制,有助于看懂英文长句结构。

简化的 2 个步骤:
原句:Money which is issued by an algorithm is something new.
① 去 which is(关代 + be):
Money issued by an algorithm is something new.
② 简化版即过分短语作定语

中英对照: 中文没有定从,因此「简化」概念对中国学生不易理解。但中文「被 X 的 N」直接对应英文简化版的 N + V-en。中文里其实经常使用类似简化逻辑(我吃过的菜 = 我曾经吃过的那道菜),只是不带语法术语。

2 种简化版本:
① 过去分词版(被动 / 完成):
the system which is designed by Keynes → the system designed by Keynes
② 现在分词版(主动 / 进行):
the man who is sitting there → the man sitting there

易混淆 · 简化的限制条件:
能简化必须满足 3 条:
① 限定性定从(非限定性也可,但更常见在限定性);
② 关代是从句的主语(不是宾语);
③ 从句谓语是 be + V-en / V-ing。
不满足时不能简化:
✓ The book that was written in 1900 → The book written in 1900(可)
✗ The book that I read(关代是宾语,不能简化)

中国学生常见错误:
✗ 把不能简化的硬简化:The book read by me is good(关代 that 是 read 的宾语,不能省)
✓ The book that I read is good
✗ Money issuing by algorithm(被动义应用过分)
✓ Money issued by algorithm

课文例句:
① S-070 过分简化版 Money issued by an algorithm rather than a parliament is something the world has never quite known before.(原型 = Money which is issued by ...)
② S-044 现分简化版 Inflation, slumbering since the 1950s, awoke ...(原型 = Inflation, which had been slumbering, awoke ...)

⑨ 状语从句 · 八大类

1. 时间状语从句 · Adverbial of Time

一句话: 用 when / while / as / before / after / since / until / once / by the time 引导,描述主句动作发生的时间。

详细: 时间状语从句是英语叙事写作的脊柱。它把两个事件用时间关系绑在一起 — 同时发生(when / while)、先后发生(before / after)、起点终点(since / until)、关键节点(once)。从句和主句的时态搭配是中国学生最易错的部分。

形式 / 用法: 时间从句可前置(逗号隔开)或后置(无逗号)。

中英对照: 中文「当...时 / 之前 / 之后 / 自从」对应英文 when / before / after / since。中国学生最大盲区:从句中表将来用一般现在(When he comes,not When he will come)— 这是英语硬性规则。

常见时间连词:
① 同时:when / while / as
② 之前:before / by the time
③ 之后:after / once / as soon as
④ 起点:since(常配现在完成时)
⑤ 持续到:until / till
⑥ 临时:the moment / the minute / the second

易混淆 · 关键:
when vs while — when 既可瞬时也可持续;while 强调持续过程。While I was reading, he came in.
从句中表将来用一般现在 — ✗ When he will come → ✓ When he comes(I will...)
By + 时间锚点必配过去完成时(见 past-perfect)。

中国学生常见错误:
✗ When I will arrive, please call me(从句中将来用一般现在)
✓ When I arrive, please call me
✗ By 1811, Spanish reales circulated(By + 时间锚必配 had + V-en)
✓ By 1811, Spanish reales had circulated

课文例句:
① S-021 when 同时 When the First World War broke out, European gold flowed ...
② S-068 by the time 锚点 By the time you finish reading this article, the world will have been generating ...
③ S-098 once 关键节点 There was no easy way back to gold once confidence had broken.

2. 原因状语从句 · Adverbial of Cause

一句话: 用 because / since / as / for / now that 引导,说明主句动作的原因。

详细: 原因状从是英语表「为什么」的核心结构。4 个常用连词语气强弱不同:because 最直接、最强;since / as 偏书面、含「众所周知」语气;for 古风、文学;now that 强调「既然现在...」。中国学生最大盲区:习惯于「因为...所以...」配对,但英语中 because 和 so 不能同时出现。

形式 / 用法: 原因从句可前置或后置(因为 X, 所以 Y / Y 因为 X)。常配相关并列「not because X, but because Y」(不是因为 X,而是因为 Y)。

中英对照 · 关键: 中文「因为...所以...」是必用配对,英文不能同用:
✗ Because I was sick, so I stayed home
✓ Because I was sick, I stayed home 或 I was sick, so I stayed home

5 个原因连词 + 强弱:
① because:最强、最直接 — He left because he was tired.
② since:已知 / 不强调 — Since you know him, please introduce me.
③ as:口语 / 弱 — He left, as he was tired.
④ for:古风 / 文学 — He left, for he was tired.
⑤ now that:既然现在 — Now that you're here, let's begin.

易混淆:
because vs because of — because 后接从句(主谓);because of 后接名词或动名词。
✓ He left because he was tired(从句)
✓ He left because of his fatigue(名词)
since 三种身份 — 时间状从「自从」/ 原因状从「因为」/ 介词「自...以来」。

中国学生常见错误:
✗ Because I was sick, so I stayed home(因为 + 所以不能同用)
✓ Because I was sick, I stayed home
✗ Because of he was tired(because of 后用名词)
✓ Because of his fatigue 或 Because he was tired

课文例句:
① S-054 not because X, but because Y They held those dollars not because they loved Washington, but because they had nowhere else to park their savings.(精彩的相关并列原因从句)

3. 让步状语从句 · Adverbial of Concession

一句话: 用 although / though / even though / while / no matter 引导,表「尽管 X,但 Y」。X 和 Y 在语义上对立。

详细: 让步状从是英语「转折」的核心结构。它的语义模式是「事实是 X(让步),结果反而是 Y」。although / though / even though 三者基本同义,语气微差。中国学生最大错:把「虽然...但是...」配对硬塞进英文 — 必须二选一。

形式 / 用法: 让步从句可前置(逗号隔开)或后置(无逗号)。强调对立时常前置。

中英对照 · 关键: 中文「虽然...但是...」是配对,英文不能同用:
✗ Although Bryan lost, but his oratory echoes
✓ Although Bryan lost, his oratory echoes
中国学生最常见错。

5 大让步连词:
① although:正式 / 通用 — Although he is rich, he is unhappy.
② though:口语 / 弱 — Though tired, he kept working. / He kept working, though.
③ even though:强调极端让步 — Even though it rained, we went.
④ while(让步义)— While I admire him, I disagree.
⑤ no matter + wh-:无论 — No matter how hard he tried ...

易混淆:
although vs though — 同义。although 更正式,though 更口语 / 可句末。
although / though / even though vs but / however — 不能同句配对。要么用从句连词,要么用并列连词。
while 三种身份 — 时间从「当...时」/ 让步从「虽然」/ 对比 / 并列连词。

中国学生常见错误:
✗ Although it rained, but we went(although + but 不能同用)
✓ Although it rained, we went 或 It rained, but we went
✗ Despite he was tired, he worked(despite 后用名词,不是从句)
✓ Despite his fatigue, he worked 或 Although he was tired, he worked

课文例句:
① S-018 经典 although Although Bryan lost the election, his oratory still echoes through American memory.

4. 条件状语从句 · Adverbial of Condition

一句话: 用 if / unless / provided (that) / as long as / supposing / in case 引导,表「如果 X,那么 Y」。

详细: 条件状从是英语虚拟语气的母体。它和虚拟语气紧密相关 — 真实条件用一般时态(If it rains, I'll stay),非真实条件用虚拟降一格(If it rained, I would stay)。完整虚拟分类见 ⑩ 虚拟语气章节。

形式 / 用法: 条件从句通常前置或后置。If 是默认条件词,unless 是 if not 的精炼版。

中英对照: 中文「如果...就... / 假如 / 除非」对应英文 if / unless。中文不严格区分真实 vs 虚拟,英文必须用时态变化区分。中国学生最大盲区:不知道虚拟降一格(详见 #type1-conditional, #type2-conditional, #type3-conditional)。

常见条件连词:
① if:最通用 — If it rains, I'll stay.
② unless(= if not):除非 — I'll go unless it rains.
③ provided / providing (that):提供 / 假设 — Provided that trust survives, the dollar will last.
④ as long as:只要 — As long as you're happy, I'm happy.
⑤ supposing / suppose:假定 — Suppose he comes, what then?
⑥ in case:以防 — Take an umbrella in case it rains.
⑦ were 倒装:正式虚拟 — Were I rich, I would travel.

易混淆:
if 名词从句 vs if 条件状从 — if 名词从句表「是否」(I asked if he is coming);if 条件状从表「如果」(If he comes, ...)。看在主句中的角色。
unless vs if not — 多数语境同义,但 unless 不能用于不可控条件:✗ Unless I die → ✓ If I don't die。

中国学生常见错误:
✗ If it will rain, I won't go(if 从句中将来用一般现在)
✓ If it rains, I won't go
✗ If I would be rich, I would travel(if 从句中虚拟用过去时,不是 would)
✓ If I were rich, I would travel

课文例句:
① S-052 第二虚拟 + were to If the dollar were to weaken further, American manufacturing might at last find its footing.(超级谨慎假设)
② S-071 Provided that Provided that trust survives, the dollar will continue to underwrite the architecture of global finance.
③ S-095 if + so will 倒装 If the dollar ever falters, so will most of the world's price stability.
④ S-105 if only + 过完 If only policymakers had acted sooner, the panic of 2008 might have ended very differently.

5. 目的状语从句 · Adverbial of Purpose

一句话: 用 so that / in order that 引导,表「为了让 X 做 Y」。从句中常含情态动词 may / might / can / could。

详细: 目的状从用于表「目的」 — 比 to + V 不定式更正式、更书面。in order that 偏古典 / 法律式;so that 偏中性。从句中的情态动词(may / might)反映「目的的不确定 / 期望」语气。

形式 / 用法: 主句 + so that / in order that + 从句。从句中常带 may / might / can / could。

中英对照: 中文「以图 / 为了让 / 以便」对应 in order that / so that。中文不需要情态动词标记,英文用 may / might 让目的语气更精细。

2 大目的连词:
① so that(常用):He studies hard so that he can pass.
② in order that(正式):Banks were closed for four days in order that public confidence might begin to recover.

易混淆 · 关键:
so that 目的 vs so that 结果 — 完全不同!
✓ He studies hard so that he can pass(目的 — so that + may/might/can/could)
✓ He studied hard, so that he passed(结果 — so + that 表结果)
判断:从句有情态(may / might / can / could)→ 目的;无情态 → 结果。
in order that vs in order to — that + 从句;to + V 原形。语义同。

中国学生常见错误:
✗ He studied so that pass the exam(从句必须有主谓)
✓ He studied so that he could pass the exam
✗ 在简单语境中过用 in order that(显得拘谨)
✓ 简单目的用 to + V,正式 / 古典用 in order that

课文例句:
① S-031 in order that + might Banks were closed for four days, in order that public confidence might begin to recover.(高度正式)

6. 结果状语从句 · Adverbial of Result

一句话: 用「so + 形 / 副 + that」或「such + (a/an) + 形 + 名 + that」表「程度 → 结果」。

详细: 结果状从是英语「程度 + 后果」的标志结构。它前半句描述程度 / 性质,后半句描述由此产生的结果。是描述性写作的核心修辞。语法上有两种结构 — so + 形容词;such + 名词短语 — 中国学生最易混。

形式 / 用法:
① so + 形 / 副 + that:He is so tall that he can reach the ceiling.
② such + (a/an) + 形 + 名 + that:It was such a shock that ...

中英对照: 中文「如此...以致 / 太...以至于」对应英文 so / such ... that。中国学生最大错:用 so 修饰名词或用 such 修饰形容词。

2 种基本结构 + 倒装变体:
① so + 形 / 副 + that:He is so tall.
② such + (a/an) + 形 + 名 + that:He is such a tall man.
③ so + 形 + a / an + 名(倒装变体,正式):So tall a man can hardly fit.
④ So + 形 / 副 + 倒装(强调,见 ⑪ 倒装):So thorough was Volcker's discipline that ...

易混淆 · 关键:
so 修饰形 / 副 vs such 修饰名词 —
✓ He is so tall(形容词 — so)
✓ He is such a tall man(名词短语 — such)
✗ He is so tall man(× so 不能直接修饰名词短语)
so that 目的 vs so + 形 + that 结果 — 见 #adv-purpose。

中国学生常见错误:
✗ He is so tall man(so 直接修饰名词错)
✓ He is such a tall man 或 He is so tall
✗ It was so a shock(so + a/an 错)
✓ It was such a shock

课文例句:
① S-025 so + 副 + that The 1920s economy grew so confidently that few Americans imagined any cliff ahead.
② S-026 such + 名 + that The collapse of October 1929 was such a shock that an entire generation lost faith in finance.
③ S-097 So + 形 + 倒装 So thorough was Volcker's discipline that the inflation of the 1970s never returned ...(强调倒装版)

7. 方式状语从句 · Adverbial of Manner

一句话: 用 as / as if / as though 引导,表「像...一样 / 仿佛」。as if / as though 与事实不符时用虚拟语气降一格。

详细: 方式状从是英语描写「类比 / 仿真」的核心结构。as if / as though 在与事实不符时触发虚拟语气 — 现在事实用过去时(were / V-ed),过去事实用过去完成时(had + V-en)。这是高级英语写作的标志。

形式 / 用法: 主句 + as / as if / as though + 从句。as if / as though 后的虚拟语气是关键。

中英对照: 中文「仿佛 / 好像 / 如同」对应英文 as if / as though。中文不需要时态降一格,英文必须降一格表虚拟。这是中国学生最难的细节。

3 大用法:
① as:像...那样(中性,不必虚拟)— Do as I say.
② as if / as though + 现在虚拟(过去时):He acts as if he knew everything.(他装作什么都懂 — 实际不懂)
③ as if / as though + 过去虚拟(过完):He acts as if he had seen a ghost.(像见过鬼一样 — 实际没见过)

易混淆:
as if + 虚拟 vs as if + 真实 — 与事实不符用虚拟(He looks as if he were sick — 其实没病);事实可能为真用一般时态(He looks as if he is sick — 也许真病了)。
were vs was(虚拟)— 正式英语用 were(He acts as if he were a king);口语可用 was。

中国学生常见错误:
✗ He acts as if he is rich(若实际不富,应用虚拟)
✓ He acts as if he were rich
✗ It worked as if gold and dollar are one(过去虚拟应用过去时)
✓ It worked as if gold and the dollar were a single currency

课文例句:
① S-038 as if + were 虚拟 For two decades, the system worked smoothly, as if gold and the dollar were a single currency.(实际并非如此,故用虚拟)

8. 比较状语从句 · Adverbial of Comparison

一句话: 用 than / as ... as 引导,做程度比较。比较级 -er + than;同级 as + 形 + as;倍数 + as ... as。

详细: 比较状从是英语精确比较的核心。它有 3 大形态:比较级(差异)、同级(相同)、倍数。中国学生最大盲区:倍数比较(twice / three times + as ... as)的语序和「比 X 多 Y 倍」的中英差异。

形式 / 用法: 主句中含比较级 / 同级 / 倍数,从句以 than / as 引出对比对象。

中英对照 · 关键: 中文「X 比 Y + 形容词」对应英文 X is + 形容词 + er + than Y。
中文「X 是 Y 的 N 倍」对应英文 X is N times as ... as Y(注意:英文倍数包含原数;中文「3 倍」可能是 3x 或 4x)。

3 大形态:
① 比较级 + than(差异):He is taller than me / Prices rose faster than wages.
② as + 形 / 副 + as(同级):He is as tall as me / He distrusted bankers as deeply as aristocrats.
③ 倍数 + as ... as:The dollar trades twice as often as the euro / 三倍 — three times as ...
④ 否定同级 not as ... as:He is not as tall as me.
⑤ 越...越...:The more ... the more(双比较级)

易混淆:
than vs then — 完全不同!than 是比较介词 / 连词;then 是时间副词。
as ... as 双 as — 不能漏第二个 as。✗ He is as tall me → ✓ He is as tall as me.
than + 主格 vs 宾格 — 正式英语用主格(He is taller than I),口语用宾格(He is taller than me)。

中国学生常见错误:
✗ He is more taller than me(taller 已是比较级,不再加 more)
✓ He is taller than me
✗ The dollar trades twice often as the euro(漏第一个 as)
✓ The dollar trades twice as often as the euro

课文例句:
① S-045 比较级 prices rose faster than wages
② S-010 同级 distrusted bankers as deeply as he distrusted aristocrats
③ S-085 倍数 almost twice as often as the euro and the yen combined
④ S-091 双比较级 The more the world distrusts ..., the more it seems ... to trust the dollar

⑩ 虚拟语气 · 八种

1. 第一条件句 · Type 1(真实将来)

一句话: 「真实可能的条件 → 将来结果」。形式:If + S + 一般现在,S + will + 原形。

详细: 第一条件句表「未来真实可能发生」的假设 — 不是虚拟,而是真实条件。从句用一般现在(不能用 will),主句用 will。这是中国学生最容易错的细节:从句中表「将来」必须用一般现在,不能用 will。

形式 / 用法: If + S + V(现在),S + will + 原形。从句可前置或后置。

中英对照 · 关键: 中文「如果...就 + 将...」对应英文 If + 一般现在,主句 will。中文从句也可用「将」,但英文从句必须用一般现在 — 这是中国学生最大盲区。

典型结构:
① 真实将来条件:If it rains tomorrow, I will stay home.
② 变体(主句用情态):If you study, you can pass.
③ 变体(主句用祈使):If it rains, stay home.
④ does 强调:If the dollar does lose its status ...(强调真实可能)

易混淆:
第一条件 vs 第二条件 — 第一条件真实可能(If it rains tomorrow);第二条件与现在事实相反(If I were rich)。
从句中 will 误用 — 从句中表将来用一般现在。

中国学生常见错误:
✗ If it will rain tomorrow, I will stay home
✓ If it rains tomorrow, I will stay home
✗ If you will be tired, you should rest
✓ If you are tired, you should rest

课文例句:
① S-069 真实将来 + 强调 does If the dollar ever does lose its reserve status, every commodity, every loan, and every contract on earth will be rewritten.(does 强调)
② S-095 If + so will 倒装 If the dollar ever falters, so will most of the world's price stability.

2. 第二条件句 · Type 2(与现在事实相反)

一句话: 「与现在事实相反」的虚拟假设。形式:If + S + 过去时,S + would / might / could + 原形。

详细: 第二条件句表与现在事实相反的虚拟假设 — 「如果我现在是富翁(实际不是),我就 + 动作」。语法标志:从句用过去时(be 动词所有人称都用 were),主句用 would / might / could + 原形。

形式 / 用法: If + S + V-ed(过去),S + would / might / could + 原形。变体「If + S + were to V」语气更强 / 更谨慎。

中英对照: 中文「(假如)我是 / 我有 / 我能 + 怎么样,我就... / 我会...」对应英文第二条件。中国学生最大盲区:从句中 be 动词永远用 were(虚拟形式)— 即使主语是单数 / 第一人称。

2 种结构:
① If + 过去时,would + 原形:If I were rich, I would travel.
② If + were to V,would + 原形(更谨慎,谈论假设可能):If the dollar were to weaken, manufacturing might recover.

易混淆 · 关键:
were vs was(虚拟)— 正式英语虚拟用 were(I were / he were);非正式可用 was。考试 / 写作必须用 were。
第二条件 vs 第一条件 — 第二与现在事实相反(I am poor → If I were rich);第一是真实可能(It might rain → If it rains)。

中国学生常见错误:
✗ If I was rich, I would travel(虚拟用 were)
✓ If I were rich, I would travel
✗ If I would be rich, I would travel(从句用过去时,不是 would)
✓ If I were rich, I would travel

课文例句:
① S-052 were to V 谨慎假设 If the dollar were to weaken further, American manufacturing might at last find its footing.

3. 第三条件句 · Type 3(与过去事实相反)

一句话: 「与过去事实相反」的虚拟假设。形式:If + S + had + V-en,S + would / could / might + have + V-en。

详细: 第三条件句表与过去事实相反的虚拟假设 — 「如果当时 X(实际没 X),那时本来就会 / 本可以 / 也许 Y」。语法标志双层:从句用过去完成时(had + V-en),主句用 would have + V-en。这是中国学生最难掌握的虚拟。

形式 / 用法: If + S + had + V-en,S + would / could / might + have + V-en。

中英对照: 中文「(当时)如果 X 就会 / 就能 + 做了」对应英文第三条件。中文用「就」「就会」「本来」表达,英文必须用 would have / could have / might have + V-en 三层结构。

典型结构 + 主句变体:
① would have(必然结果):If you had studied, you would have passed.
② could have(本可):If you had asked, I could have helped.
③ might have(也许):If he had tried harder, he might have succeeded.

易混淆:
第三条件 vs 第二条件 — 第三与过去相反(If I had been rich);第二与现在相反(If I were rich)。
第三条件主句结构 — would / could / might + have + V-en(三层)。中国学生常漏 have。

中国学生常见错误:
✗ If I knew, I would come(完全过去虚拟用过完 + would have)
✓ If I had known, I would have come
✗ If you had studied, you would passed(漏 have)
✓ If you had studied, you would have passed

课文例句:
① S-057 第三条件 + 被动 If regulators had looked closer, the storm of 2008 could have been seen long before it broke.(过去本可看见但没看见)

4. 混合条件句 · Mixed Conditional

一句话: 「过去若 X,现在就 Y」 — 条件用第三类(与过去相反),结果用第二类(与现在相反)。

详细: 混合条件句是英语虚拟语气的高阶结构。它把「过去未发生」和「现在的假设结果」连起来。逻辑是:「假如过去 X 发生了,现在情况就会是 Y」。文学性、政论性写作高频出现。

形式 / 用法: If + S + had + V-en(条件:过去虚拟),S + would + 原形(结果:现在虚拟)。

中英对照: 中文「(当时)如果 X,现在就 Y」对应英文混合条件。中文不需要时态变化,英文必须从句用过完、主句用 would + 原形(不是 would have)。

典型结构:
① 标准:If you had studied, you would be a doctor now.(过去若学医,现在就是医生)
② 课文版:If the Great Depression had lasted only briefly, the dollar today would still hang from a chain of gold.(过去萧条若短暂,今日美元仍系金链)

易混淆:
混合 vs 第三 — 第三是「过去若 X,过去就 Y」(would have V-en);混合是「过去若 X,现在就 Y」(would + 原形)。
混合 vs 第二 — 第二是「现在若 X,现在就 Y」;混合的条件在过去。

中国学生常见错误:
✗ If the Depression had lasted briefly, the dollar today would have hung from a chain of gold(应用 would + 原形,不是 would have)
✓ If the Depression had lasted briefly, the dollar today would still hang from a chain of gold

课文例句:
① S-032 经典混合条件 If the Great Depression had lasted only briefly, the dollar today would still hang from a chain of gold.

5. 倒装条件句 · Inverted Conditional

一句话: 「If 从句省略 if」,把助动词倒装到主语前。正式书面语。

详细: 倒装条件句是英语虚拟语气的高级修辞。它把 if 省略,通过主谓倒装表达条件 — 显得更正式、更有文学色彩。三大虚拟条件都有倒装版本:Had + S + V-en(三类)/ Were + S + ...(二类)/ Should + S + V(一类)。

形式 / 用法: 倒装从句放句首(无 if,无逗号 — 但实际写作常加逗号)+ 主句。

中英对照: 中文没有完全等价结构。中文用「若」「倘」「若是」语序不变。英文倒装是英语特有的正式句法。中国学生学会用 Had I known / Were I rich,立刻显出母语感。

3 种倒装:
① Had + S + V-en(三类倒装):Had Jackson trusted central banking, ...
② Were + S + ...(二类倒装):Were I rich, I would travel.
③ Should + S + V(一类倒装,谦谨):Should it rain, we will stay.

易混淆:
倒装条件 vs 普通倒装 — 倒装条件是 If 从句的省略变形;普通倒装是否定 / 限定状语前置触发。
否定形式 — 倒装中否定词必须分开:✗ Hadn't I known → ✓ Had I not known.

中国学生常见错误:
✗ Hadn't I known, I would have come(否定要分开)
✓ Had I not known, I would have come
✗ Was I rich, I would travel(虚拟用 were)
✓ Were I rich, I would travel

课文例句:
① S-011 经典 Had + S 倒装(三类) Had Jackson trusted central banking, the Panic of 1837 might never have torn the frontier apart.

6. wish + 虚拟从句 · Wish-Clause

一句话: 「wish + 从句」表与事实相反的愿望。从句用过去时(现在虚拟)或过去完成时(过去虚拟)。

详细: wish 后跟从句是英语表「遗憾 / 希望但实际不能」的核心结构。它的从句必须用虚拟语气 — 现在事实相反用过去时,过去事实相反用过完时,将来事实相反用 would + 原形。中国学生最大盲区:wish 不是 hope,wish 永远表「实际相反」。

形式 / 用法: S + wish + (that) + 从句。that 可省。

中英对照: 中文「希望 / 但愿 + 句子」对应英文 wish。但中文「我希望明天下雨」既可表期望(可能成真)也可表愿望(实际不会),英文严格区分:可能成真用 hope(I hope it rains tomorrow);实际不会用 wish(I wish it would rain — 但实际不下)。

3 种虚拟时态:
① 对现在的愿望(过去时):I wish I were rich.(实际不富)
② 对过去的遗憾(过完时):I wish I had studied harder.(过去没学好)
③ 对将来的不愿(would + 原形):I wish it would stop raining.(雨实际还在下)

易混淆 · 关键:
wish vs hope
✓ I hope you pass the exam(可能成真)
✓ I wish you would pass(暗示你可能不会)
wish + were vs was — 虚拟必须 were。

中国学生常见错误:
✗ I wish I am rich(wish 后必须虚拟)
✓ I wish I were rich
✗ I wish I will travel(对将来的不愿用 would + 原形)
✓ I wish I would travel

课文例句:
① S-074 嵌入 might have wished + had + V-en(双虚拟)Many a saver in 2008 might have wished that he had bought gold at the start of the decade.(可能希望(过去推断)+ 过去本应该买(双重虚拟))

7. 命令性虚拟 · Mandative Subjunctive

一句话: 「主张 / 命令 / 建议 / 要求 / 提议」类动词后的 that 从句中,从句动词用动词原形(无视主语和时态)。

详细: 命令性虚拟是英语正式书面语的标志结构。在 insist / demand / require / suggest / propose / request / recommend / order 等动词后的 that 从句中,从句动词永远用原形(就像被 should 修饰但 should 省了)。这反映了英语古典虚拟的活化石。

形式 / 用法: S + V(主张类)+ that + S + 动词原形 + ...。从句中无视单复数、无视时态。

中英对照: 中文「他坚持 / 要求 + 句子」对应英文。中文不需要从句动词变化,英文必须用原形。中国学生最大盲区:被动用 be 不是 is/are/was;三单不加 s。

触发动词列表:
① insist / demand / require:They demanded that he leave.
② suggest / propose / recommend:I suggest that she be promoted.
③ request / order / advise:He requested that we arrive early.
④ 同位语 / 表语从句:The condition that no one ask for gold.
⑤ It is + adj + that 句型(见 #extraposition-mandative):It is essential that he retain the confidence.

易混淆:
命令性虚拟 vs 普通宾语从句 — 主张类动词后用原形;非主张类(say / believe / know)用正常时态。
美式 vs 英式 — 美式严格用原形;英式可用 should + 原形(变体)。

中国学生常见错误:
✗ He insisted that she comes(从句应原形)
✓ He insisted that she come
✗ I suggest that she is promoted
✓ I suggest that she be promoted
✗ It is essential that every reserve currency retains confidence
✓ It is essential that every reserve currency retain confidence

课文例句:
① S-024 insist + that + 被动原形 ... the French government insisted that gold be redistributed ...(动词原形 be)
② S-037 同位 + 虚拟原形 The new system rested upon a single condition: that no one ask for gold.(动词原形 ask)
③ S-106 It is essential that + 原形 It is essential that every reserve currency retain the confidence of strangers, generation after generation.

8. It's high time + 过去虚拟

一句话: 「It's (high / about) time + that 从句」 — 从句用过去时表虚拟,语义是「该是时候了,而且早该做了」。

详细: 这是英语很有特色的固定结构 — 名义上「It's time」表「时候到了」,但从句必须用过去时表虚拟,实际指现在或将来。语气强烈,带「这事早该做了」的责备 / 催促。

形式 / 用法: It's (high / about) time + (that) + S + 过去时。that 可省。

中英对照: 中文「该 + 名词 + 了」「是时候 + 做」对应英文。中文是命令式,英文用虚拟过去时表「实际还没做」的责备。

3 种语气强弱:
① It's time + 过去虚拟(中性):It's time we left.
② It's about time + 过去虚拟(略强):It's about time you got up.
③ It's high time + 过去虚拟(最强):It's high time the world admitted the truth.

易混淆:
It's time to V vs It's time + 过去虚拟 — to V 是中性命令(It's time to leave);从句虚拟则带责备(It's time we left = 该走了,我们已经晚了)。

中国学生常见错误:
✗ It's high time the world admit the truth(从句必须过去时)
✓ It's high time the world admitted the truth
✗ It's high time we leave
✓ It's high time we left

课文例句:
① S-084 经典 It's high time + 过去虚拟 It's high time the world admitted that no single currency can carry the global economy alone.

9. 化石化虚拟 · Formal / Fossilized Subjunctive

一句话: 古英语沿袭的固定虚拟表达。已不可拆解,作为固定表达使用。Be it noted / God save the queen / Long live ...

详细: 化石化虚拟是英语虚拟语气的「活化石」 — 从中古英语沿袭至今的固定表达。它们语法上不再活跃(不能套到任意句子上),但作为固定形式仍在书面语、宗教、军事、法律、文学中使用。识别这些固定表达,有助于理解古典英语和正式文体。

形式 / 用法: 固定表达,不能随意改变结构。多以「Be / Long live / Suffice / God save」等开头。

中英对照: 中文「容某说 / 万岁 / 但愿 / 天佑」等对应。中国学生不会用错,但需识别 — 这些表达常出现在演讲、诗歌、政论文章中。

典型固定虚拟:
① Be it noted / Be it known:容我作此一笔 / 周知
② Long live + 名词:万岁(Long live the king / Long live the republic)
③ God save + 名词:天佑(God save the queen)
④ Come what may:无论怎样
⑤ So be it:就这样吧
⑥ Suffice it to say:简言之 / 一言以蔽之
⑦ Heaven forbid:天哪不要
⑧ Far be it from me:我绝不
⑨ Be that as it may:话虽如此

易混淆:
古典虚拟 vs 命令性虚拟 — 古典是固定表达;命令性是规则化的(insist that S + 原形)。
古典虚拟 vs 倒装 — 形式上像倒装,但本质是动词原形 + 主语的虚拟祈使。

中国学生常见错误:
✗ 不识别这些固定表达,以为是语法错
✓ 学会接受它们作为固定表达
✗ 试图在写作中创造新的「Be it ...」结构
✓ 仅在引用 / 模仿时使用,日常写作不必用

课文例句:
① S-080 Be it noted, then 古典虚拟 Be it noted, then: the dollar's long day, like this sentence, has only just begun.(语篇副词式古典虚拟)

⑪ 倒装 · 强调 · 省略 · it 句型

1. 否定前置倒装 · Negative-fronting Inversion

一句话: 否定 / 限制副词前置句首 → 主谓倒装。强调否定语气。

详细: 这是英语高级写作的标志结构。把否定 / 限制副词放句首,触发后续主谓倒装(就像疑问句一样)。语气强烈,表「极少 / 从未 / 决不」。

形式 / 用法: 否定状语 + 助动词 + S + V。
触发副词:Never / Hardly / Seldom / Rarely / No sooner / Not until / Little / Scarcely / Barely / Nowhere。

中英对照: 中文「从未 / 极少 / 决不 + 主语 + 动词」语序不变。英文倒装是英语特有的强调形式 — 中国学生学会立刻显出母语感。

5 种否定倒装:
① Never / Never before:Never have I seen such beauty.
② Hardly / Scarcely + when:Hardly had he arrived when ...
③ No sooner + than:No sooner had I arrived than ...
④ Not until + ...:Not until that day did I realize ...
⑤ Seldom / Rarely:Seldom does he visit.

易混淆:
否定倒装 vs 普通否定句 — 普通:I have never seen.倒装(强调):Never have I seen.
否定的否定 — 不要双重否定:✗ Never did I never see → ✓ Never did I see.

中国学生常见错误:
✗ Never I had seen such beauty(必须倒装)
✓ Never had I seen such beauty
✗ Hardly had he arrived than ...(Hardly 配 when)
✓ Hardly had he arrived when ...

课文例句:
① S-030 Never before + 倒装 Never before had a peacetime president dared to redraw the price of gold by decree.
② S-096 Not until + 倒装 Not until the gold standard collapsed did the world fully realize how much it had relied on a single piece of metal.

2. only 前置倒装 · Only-fronting

一句话: 「Only + 状语」前置 → 主谓倒装。强调「直到 X 才 / 唯有 X 才」。

详细: Only + 状语前置是英语强调时间或条件的关键结构。Only when 强调「直到此刻才」,Only by 强调「唯有这样才」,Only after 强调「之后才」。语用上把读者注意力锁定在「这是关键节点」。

形式 / 用法: Only + 状语 + 助动词 + S + V。从句本身保持陈述语序,主句倒装。

中英对照: 中文「只有...才 / 直到...才」对应英文 Only + 状语 + 倒装。中文不需要倒装,英文必须。

常见 only 前置结构:
① Only when:Only when X did Y happen.
② Only by + V-ing / 名词:Only by working hard can you succeed.
③ Only after:Only after 1971 did the dollar float freely.
④ Only then / Only now:Only then did she realize.
⑤ Only if(条件):Only if you study will you pass.

易混淆:
Only when 主从结构 — Only when 后是状语从句(陈述语序),后跟主句倒装。
✓ Only when France began demanding gold(从句不倒)did the cracks become visible(主句倒装)

中国学生常见错误:
✗ Only when did France begin demanding gold the cracks became visible(从句不倒装,只有主句倒装)
✓ Only when France began demanding gold did the cracks become visible

课文例句:
① S-039 经典 Only when 强调倒装 Only when France began demanding bullion for its dollars did the cracks become visible.

3. 地点倒装 · Locative Inversion

一句话: 地点 / 方向状语前置 → 主谓倒装(动词在主语前)。把长主语挪到句末,符合「末端重心」原则。

详细: 地点倒装是英语文学性写作的常见结构。它把地点状语前置,触发主谓倒装,让长主语后置 — 既增加修辞效果,又符合英语「末端重心」的节奏感(短的部分前置,长的部分后置)。

形式 / 用法: 地点 / 方向状语 + 动词 + 主语。注意:这里的倒装是动词全部前移,不是助动词。

中英对照: 中文「在...处 + 动 + 主语」也常用(室内坐着一个老人 — 「室内」前置 + 「坐着」 + 「一个老人」)。英文地点倒装语序更严格,需要规则化。

典型句式:
① 地点 + 动 + 主:Out of the Panic came the conviction.
② 方向 + 动 + 主:Down the hill rolled the ball.
③ here / there + 动 + 主:Here comes the bus.

易混淆:
地点倒装 vs 否定倒装 — 地点倒装是动词整体前移(came / rolled);否定倒装是助动词前移 + 主动词不动(have I seen)。
不必倒装的情况 — 主语是代词时不倒装:✓ Here he comes(代词主语不倒)/ Here comes the bus(名词主语倒)。

中国学生常见错误:
✗ Out of the Panic, the conviction came(没倒装)
✓ Out of the Panic came the conviction
✗ Here comes he(代词不倒)
✓ Here he comes

课文例句:
① S-019 经典地点倒装 Out of the Panic of 1907 came the conviction that the country needed a permanent central bank.(主语 the conviction + 长定从,后置)

4. nor / neither 前置倒装 · Nor / Neither Inversion

一句话: 「Nor / Neither」置句首,触发主谓倒装(Nor + 助动词 + S + V)。追加平行的否定陈述。

详细: Nor / Neither 倒装是英语「否定续接」的核心结构。前一句已讲一个否定结果,后一句用 Nor / Neither + 倒装继续追加另一个否定。语气紧凑、有力,常见于政论、评论、新闻。

形式 / 用法: 前文(否定)... Nor / Neither + 助动词 + S + V。

中英对照: 中文「也不...也不」「同样不...」对应英文 Nor / Neither。中文不倒装,英文必须倒装。中国学生最大盲区:不知道 Nor 后必须加助动词倒装。

3 种结构:
① Nor + 助动词 + S:He didn't come. Nor did she.
② Neither + 助动词 + S:He doesn't drink. Neither does she.
③ 否定 + 助动词 + S(如 So 倒装的否定版):If the dollar falters, nor will stability.

易混淆:
Nor vs Neither — 在倒装结构中两者基本同义。Neither 偏口语,Nor 偏书面 / 正式。
nor 句中作连词 vs nor 句首倒装 — 句中作连词不倒装(I didn't come, nor did she);句首倒装(Nor did she come)。

中国学生常见错误:
✗ Nor the country recovered(漏助动词)
✓ Nor did the country recover
✗ Nor did the country recovered(do 后用原形)
✓ Nor did the country recover

课文例句:
① S-027 经典 Nor 倒装 Nor did the country recover quickly: another decade of stagnation lay ahead.

5. 分裂句 · It-Cleft

一句话: 「It is / was + 强调成分 + that / who + 其余」 — 把句子拆成两段,突出强调某一部分。

详细: 分裂句是英语强调的核心结构。它把一句普通话「拆」成「It + 强调焦点 + 关系从句」两段,焦点在前,补充信息在后。可以强调主语、宾语、状语等。语气强烈、明确。

形式 / 用法: It + be + 强调成分(主 / 宾 / 状)+ that / who + 其余分句。强调人用 who,其他用 that。

中英对照: 中文「正是 X / 就是 X / 是 X」对应英文 It is / was X that ...。中文用「正是 / 就是」即可,英文必须用 It is + that 这套结构。

能强调的成分:
① 主语:It was Hamilton who signed the Act.
② 宾语:It was the Act that Hamilton signed.
③ 时间状语:It was in 1792 that Hamilton signed it.
④ 地点状语:It was at the mint that the dollar was first stamped.
⑤ 原因 / 方式:It was because of war that the greenback was issued.

易混淆:
It-cleft vs Pseudo-cleft — It-cleft 用 It is / was X that ...;Pseudo-cleft 用 What ... is / was X(更柔和)。
强调主语用 who 还是 that — 主语是人时两者皆可,书面更常用 that。

中国学生常见错误:
✗ Was it the Civil War that drove ...(疑问句不需 it 双倒)
✓ Was it the Civil War that drove ...?(疑问句也可,但用一次倒装即可)
✗ It was Hamilton signed the Act(漏 who/that)
✓ It was Hamilton who signed the Act

课文例句:
① S-012 经典 It was X that It was the Civil War, more than any economic doctrine, that finally drove Washington to print paper money on a national scale.(强调:正是内战 — 而不是任何经济学说 — 最终促使...)

6. 假分裂句 · Pseudo-Cleft / Wh-Cleft

一句话: 「What ... + 系动词 + 强调焦点」 — 把整个 wh- 从句作主语,强调焦点成分。

详细: 假分裂句是 it-cleft 的「软」版本。它用 What 引导的从句作主语,然后用 be 动词连接焦点。比 it-cleft 更柔和、更书面、更有思考感。在政经评论、历史叙事里高频出现。

形式 / 用法: What + 主谓 + 主句 be 动词 + 表语(焦点)。

中英对照: 中文「...的(就)是...」对应英文 What ... is / was X。中文「真正解决问题的是 X」 = What solved the problem was X。中国学生最大盲区:不会用 What 主语从句。

2 种基本结构:
① What 句作主:What restored monetary order was the Resumption Act.
② What 句作表:The Resumption Act was what restored monetary order.

易混淆:
Pseudo-cleft vs It-cleft — pseudo-cleft 更柔和(What he said is true),it-cleft 更直接(It is what he said that is true)。
What 主语从句 vs 间接疑问 — 主语作用 vs 宾语作用。

中国学生常见错误:
✗ What did he say is true(主语从句不倒装)
✓ What he said is true
✗ What he said are true(从句作单数)
✓ What he said is true

课文例句:
① S-014 经典假分裂 What restored monetary order after Reconstruction was the Resumption Act of 1875.

7. 强调助动词 do · Emphatic Do

一句话: 「do / does / did + 动词原形」用于肯定句,强调「确实」「曾经真的」做了某事。读时 do 重读。

详细: 强调 do 是英语肯定句的特殊强调结构 — 平时肯定句不用助动词(He left),但要强调时插入 do(He did leave = 他确实走了)。这是面对反对、否认、怀疑时的常用强调,读时 do 重读。

形式 / 用法: S + do / does / did + 动词原形。do 单复数同动词。

中英对照: 中文用「确实 / 真的 / 的确」表强调,无形态变化。英文用插入 do 表达,这是英文特有的强调机制。中国学生最大盲区:不知道这种用法,反而觉得 did + V 是疑问句结构。

3 种用法:
① 反驳 / 坚称:I do believe you!(我真的相信你 — 反驳「你不信」)
② 对照前文否定:Some failed, but he did succeed.
③ 强调真实发生:Cassandra did sound the warnings.

易混淆:
强调 do vs 疑问 do — 强调 do 用于肯定句(主谓正常语序);疑问 do 用于疑问句(do 在主语前)。
✓ He does believe you(强调,陈述语序)
✓ Does he believe you?(疑问,倒装)

中国学生常见错误:
✗ 不识别 did sound 是强调式,以为是错误
✓ 识别为强调式 — 「确曾发出」
✗ He did believed(do 后用原形)
✓ He did believe

课文例句:
① S-058 强调 did sound ... the warnings, which Cassandra after Cassandra did sound, went unheeded.(确确实实发出警告)
② S-069 强调 does + 倒装版 If the dollar ever does lose its reserve status, ...

8. 形式宾语 it · Anticipatory it for Object

一句话: 「find / think / consider / make / believe + it + 形容词 + 真宾语(不定式 / 从句)」 — 真宾语过长时把它后挪,用 it 占位。

详细: 形式宾语 it 是英语「末端重心」的核心机制。当宾语是个长结构(不定式短语 / that 从句),为避免句子头重脚轻,用 it 占据宾语位置,真宾语挪到句末。中国学生最大盲区:写出 He found impossible to do this(漏 it,不合法)。

形式 / 用法: S + V + it + 宾补(形容词 / 名词)+ 真宾语(to V / that 从句)。

中英对照: 中文不需要形式宾语,直接说「他发现说服美国人是不可能的」。英文必须用 He found it impossible to persuade Americans。中国学生最大错:漏 it。

典型动词:
① find:I find it hard to believe him.
② think / consider:She thinks it wise to wait.
③ make:Technology makes it possible to communicate instantly.
④ believe / feel:He believed it essential that we leave.
⑤ 规则:常配的形容词 — possible / impossible / hard / easy / important / wise / foolish / useless

易混淆:
形式宾语 it vs 真代词 it — 形式宾语后必有真宾语;真代词 it 没有后置。
形式宾语 vs 形式主语 — 形式宾语在动词后;形式主语在系动词前(It is essential to V)。

中国学生常见错误:
✗ He found impossible to persuade Americans(漏 it)
✓ He found it impossible to persuade Americans
✗ I think important to study
✓ I think it important to study

课文例句:
① S-035 经典形宾 Keynes found it impossible to persuade the Americans of his bancor proposal.(it 是形式宾,真宾是 to persuade ... — 长结构后挪)

9. there 存在句 · There-Existential

一句话: 「There + 动词 + 主语」 — 表「存在」。最常与 be 搭配(there is / are / was / were),也可与 came / arose / emerged 等不及物动词搭配。

详细: there 存在句是英语表「某地某时存在某物」最常用的结构。there 不是真主语(也不指地点),而是占位词(expletive)。真主语在动词后,谓语动词数随真主语变化(There is a book / There are books)。

形式 / 用法: There + 动词 + 真主语 + (其他成分)。

中英对照: 中文「有 + 名词 / 一个 ... + 在 ...」(房间里有一本书 / 有一天 ...)对应英文 There is / There came ...。中文用「有 / 在」标记存在,英文用 there + be。

3 种结构:
① There is / are + 名词(基本):There is a book on the table.
② There + 不及物动词 + 名词(文学性):There came a stranger / There arose a question.
③ There + 完成时:There has been much discussion.

易混淆:
there 存在 vs there 地点 — there 存在(There is a book here);there 地点副词(I went there)。
谓语数取真主语 — There is a book / There are books。

中国学生常见错误:
✗ There has many books(用 has 而非 are/is)
✓ There are many books
✗ It has a book on the table(中文「有」直译错)
✓ There is a book on the table

课文例句:
① S-059 文学性 there came There came a Sunday in September 2008 when Wall Street's old order finally cracked.(came 是不及物动词,主语 a Sunday 后置)
② S-098 简单 there was There was no easy way back to gold once confidence had broken.

⑫ 比较与并列

1. 比较级 · Comparative

一句话: 「形 / 副 + -er + than」或「more + 形 / 副 + than」 — 比较两个事物的差异。

详细: 比较级是英语精确比较的基础结构。规则取决于词长:单音节加 -er(tall → taller),多音节加 more(beautiful → more beautiful),双音节 -y 结尾去 y 加 ier(happy → happier),不规则(good → better,bad → worse,many → more)。

形式 / 用法: 主语 + be / 动词 + 比较级 + than + 比较对象。也可不带 than(He is taller now)。

中英对照: 中文「比 + 名词 + 形容词 / 副词」对应英文「比较级 + than」。中文「他比我高」 = He is taller than me。中国学生最大盲区:多加 more / 漏 -er(He is more taller than me)。

5 种规则:
① 单音节:tall → taller / cold → colder
② 多音节:beautiful → more beautiful / interesting → more interesting
③ 双音节 -y 结尾:happy → happier(去 y 加 ier)
④ 不规则:good → better / bad → worse / many → more / little → less
⑤ 双音节其他:有些两可(simple → simpler / more simple)

易混淆:
双重比较错 — 不能 more + er:✗ more taller → ✓ taller。
than vs then — than 比较介词 / 连词;then 时间副词。完全不同。
than 后用主格 vs 宾格 — 正式 than I,口语 than me。

中国学生常见错误:
✗ He is more taller than me(taller 已是比较级)
✓ He is taller than me
✗ He is more better
✓ He is better

课文例句:
① S-045 单音节比较级 + than prices rose faster than wages
② S-091 双比较级「越...越...」 The more the world distrusts ..., the more it seems ... to trust the dollar

2. 最高级 · Superlative

一句话: 「the + 形最高级」或「the most + 形」 — 在三者或更多中选「最」的那个。

详细: 最高级用于「3 个或更多」的比较中选「最」的那个。规则同比较级 — 单音节加 -est(tallest),多音节加 most(most beautiful)。最高级前必须有 the(因为「最」是唯一的)。

形式 / 用法: the + 最高级 + 名词 + (in / of + 范围)。常与 ever 连用表「迄今为止最」(the largest store the world had ever known)。

中英对照: 中文「最 + 形容词 + 名词 + 中 / 里」对应英文 the + 最高级 + 名词 + in / of。中国学生最大盲区:漏 the / 加 more 但漏 most。

5 种规则:
① 单音节:tall → tallest / cold → coldest
② 多音节:beautiful → most beautiful
③ 双音节 -y:happy → happiest
④ 不规则:good → best / bad → worst / many → most / little → least
⑤ + ever 强调:the best book I have ever read

易混淆:
最高级 vs 比较级 — 比较级两者(taller than);最高级三者或更多(the tallest of all)。
the 必须有 — 最高级前几乎都有 the(物主代词后例外:my best friend)。

中国学生常见错误:
✗ He is tallest in our class(漏 the)
✓ He is the tallest in our class
✗ This is most beautiful book(漏 the)
✓ This is the most beautiful book

课文例句:
① S-053 the + 最高级 + ever 定从 the largest store of foreign exchange the world had ever known(有史以来最大)
② S-108 the + 最高级 the most quiet of America's miracles

3. 同级比较 · As ... As

一句话: 「as + 形 / 副 + as」 — 表两者程度相等。否定 not as ... as 表「不如」。

详细: 同级比较是英语「一样」「相等」的核心结构。比较的是程度而非数量。两个 as 缺一不可。中国学生最大盲区:漏第二个 as,或在 as 之间用比较级。

形式 / 用法: 主语 + 系 / 动 + as + 形 / 副 + as + 比较对象。否定 not as / so + 形 + as。

中英对照: 中文「和 / 像 + 名词 + 一样 + 形容词 / 副词」对应英文 as + 形 + as。中文不需要双 as,英文必须双 as。

4 种用法:
① 肯定同级:He is as tall as me.
② 否定同级:He is not as tall as me.(也可 not so tall as)
③ as much / many as:I have as many books as you.
④ as ... as possible:Come as soon as possible.

易混淆:
not as ... as vs not so ... as — 同义,not so 略书面。
as 之间用原级 — ✗ He is as taller as me → ✓ He is as tall as me.

中国学生常见错误:
✗ He is as tall me(漏第二个 as)
✓ He is as tall as me
✗ He is as taller as me(中间用原级,不是比较级)
✓ He is as tall as me

课文例句:
① S-010 同级 + 平行 distrusted bankers as deeply as he distrusted aristocrats(深度相等)

4. 倍数比较 · Multiplier

一句话: 「倍数 + as + 形 / 副 + as」或「倍数 + 比较级 + than」 — 表 X 是 Y 的几倍。

详细: 倍数比较是英语精确量化比较的关键。常用 twice / three times / four times 等。重要细节:英文倍数包含原数(twice = 2 倍 = 1 + 多 1 倍;three times = 3 倍 = 2 + 多 2 倍)。中文「2 倍」可能是 2x 或 1+1=2 多 1 倍,语义模糊;英文严格。

形式 / 用法: S + V + 倍数 + as + 形 / 副 + as / 倍数 + 比较级 + than。

中英对照 · 关键: 中文「3 倍」可能 3 ×(共 3 个)或 +3 ×(共 4 个);英文 three times 严格 = 3 ×。中国学生最大盲区:误把 twice 理解为「2 个」(其实是「2 倍」 = 多 1 倍)。

3 种结构:
① 倍数 + as ... as(主流):twice / three times / four times as often as ...
② 倍数 + 比较级 + than(也常用):twice as much money more than ...
③ half / a third + as ... as(分数):half as much / a third as fast

易混淆:
twice = 2 倍 vs 中文 1 倍 — twice as much 是「2 倍 / 2 倍多」(不是「多 2 倍」)。
倍数 + as ... as vs 倍数 + 比较级 + than — 同义,as ... as 更标准。

中国学生常见错误:
✗ The dollar trades twice often as the euro(漏第一个 as)
✓ The dollar trades twice as often as the euro
✗ 把「twice」误为「2 个」
✓ twice 是「2 倍」

课文例句:
① S-085 倍数 + as ... as almost twice as often as the euro and the yen combined(2 倍 ≈ 美元交易量是欧元 + 日元的 2 倍)

5. both ... and · 两者并列

一句话: 「Both X and Y」 — 强调「X 和 Y 都」。连接主语时谓语用复数。

详细: both ... and 把两个对等成分捆成「都」的强调。它在主语位置时,谓语强制用复数(两个加在一起当然是复数)。和 X and Y 比,both ... and 强调「两者皆然」,不是某一个。

形式 / 用法: Both + 名词 1 + and + 名词 2 + 复数动词 + ...。

中英对照: 中文「X 和 Y 都 / 两者都」对应英文 Both X and Y。中文用「都」标记两者并列,英文用 both 配 and。

2 种用法:
① 两个名词主语(谓语复数):Both Britain and France borrowed heavily.
② 两个其他成分并列:He is both tall and handsome.

易混淆:
both ... and vs not only ... but also — both 强调「两个都同等」;not only ... but also 强调「不仅 X,还 Y」(递进)。
both ... and 主语谓语复数 — 不论 both 后两个名词单复数,都用复数。

中国学生常见错误:
✗ Both Britain and France borrows heavily(谓语必须复数)
✓ Both Britain and France borrowed heavily

课文例句:
① S-023 经典 Both X and Y + 复数动词 Both Britain and France borrowed heavily from New York bankers, and the balance of monetary power began to shift across the Atlantic.

6. either ... or · 二选一

一句话: 「Either X or Y」 — 表「要么 X,要么 Y」二选一。连接主语时谓语取就近原则。

详细: either ... or 表二选一的可能,语气带强烈选择 / 必要性。它的关键语法点是就近原则 — 谓语动词的单复数取决于离它最近的那个名词主语,而不是第一个。

形式 / 用法: Either + 名词 1 + or + 名词 2 + V(取就近原则)。

中英对照: 中文「要么 X 要么 Y / 不是 X 就是 Y」对应英文 either ... or。中文不需要担心谓语数,英文必须按就近原则。

就近原则示例:
① 第二项是单数 → 单数:Either the boys or the man is guilty.
② 第二项是复数 → 复数:Either the man or the boys are guilty.
③ 两项都单数 → 单数:Either John or Mary is coming.

易混淆:
就近原则 vs 直觉 — 中国学生直觉以为应用复数(两个或),其实英文按就近。
either or 否定形式 — 否定用 neither ... nor(见下条)。

中国学生常见错误:
✗ Either you or I am wrong(就近 I 是 am)— 这里其实正确,但...
✓ Either you or I am wrong 或 Either I or you are wrong
✗ Either confidence had to come back, or the dollar would dissolved(would 后用原形)
✓ Either confidence had to return, or the dollar itself would dissolve

课文例句:
① S-046 经典 either ... or 二选一 Either confidence had to return, or the dollar itself would dissolve.(信心要么归来,要么美元自溃 — 强烈二选一)

7. neither ... nor · 都不

一句话: 「Neither X nor Y」 — 表「既不 X 也不 Y」双重否定。谓语取就近原则。

详细: neither ... nor 是 either ... or 的否定版本。它把两个项都否定 — 「两个都不」。语气强烈,常用于排除两种可能。同样适用就近原则。

形式 / 用法: Neither + 名词 1 + nor + 名词 2 + V(就近)。

中英对照: 中文「既不 X 也不 Y / X 和 Y 都不」对应英文 neither ... nor。中文不需要管谓语数,英文按就近。

用法:
① 两名词作主:Neither the boys nor the man is to blame.(就近 → 单数)
② 两动词并列:I neither drink nor smoke.
③ 两形容词并列:He is neither tall nor handsome.
④ 双对象 needing:a currency needing neither a government to issue it nor a central bank to control it

易混淆:
neither ... nor vs not ... or — neither nor 是固定搭配,nor 不能换成 or。
neither nor 后跟肯定形式 — neither / nor 本身就是否定,后面不再加 not(✗ neither he nor I don't go → ✓ neither he nor I go)。

中国学生常见错误:
✗ Neither he nor I am don't go(双重否定)
✓ Neither he nor I go
✗ Neither X or Y(必须 nor)
✓ Neither X nor Y

课文例句:
① S-064 经典 neither ... nor 双对象 Bitcoin, a currency needing neither a government to issue it nor a central bank to control it, was launched on January 3, 2009.

8. not only ... but also · 递进强调

一句话: 「Not only X but also Y」 — 不仅 X,而且 Y。Y 比 X 更深、更出乎意料。

详细: not only ... but also 是英语递进强调的核心结构。它的关键语用:Y 必须比 X 更进一步(更深、更不寻常、更重要)。如果 Y 只是和 X 平等,应该用 both ... and 而不是 not only ... but also。两半结构必须严格平行。

形式 / 用法: Not only X, but also Y。可以放主语并列、动词并列、其他成分并列。
句首倒装变体:Not only does he work hard, but also he plays hard.

中英对照: 中文「不仅 X,而且 / 还 Y」对应英文。中文不需要平行,英文必须 X 和 Y 语法平行(都是名词、都是动词、都是形容词)。

3 种用法:
① 两个名词短语并列:not only an attempt to weaken the dollar, but also a quiet admission
② 两个动词短语并列:not only study hard, but also play hard
③ 句首倒装(强调):Not only did he work hard, but also he played hard.

易混淆:
not only ... but also vs both ... and — both 平等并列(X 和 Y 同等);not only ... but also 递进(Y 比 X 更深)。
平行结构 — 两半必须语法相同。

中国学生常见错误:
✗ Not only he likes coffee, but also tea(平行错 — 第一半完整句,第二半只名词)
✓ He likes not only coffee, but also tea
✗ Y 比 X 平等 — 应用 both ... and
✓ Y 必须递进

课文例句:
① S-051 经典 not only ... but also 递进 The Plaza Accord of 1985 was not only an attempt to weaken the dollar, but also a quiet admission that even superpowers must compromise.(Y 比 X 深一层 — 从政策到哲学)

9. FANBOYS 并列连词 · Coordinating Conjunctions

一句话: 7 大并列连词:For / And / Nor / But / Or / Yet / So。各自语义不同。

详细: FANBOYS 是英语并列连词的助记缩写。它们连接两个对等成分(单词、短语、分句)。每个连词有独特语义,正式 / 口语场景不同。母语者写作里的连词选择体现作者的成熟度。中文连词数量少,中国学生倾向于反复用 and / but,显得贫乏。

形式 / 用法: 分句 1 + 逗号 + FANBOYS + 分句 2。短语 / 单词并列时不需逗号。

中英对照: 中文用「和 / 又 / 可是 / 但 / 或 / 然 / 所以」对应。但中文「然」「却」「乃」等已少用,英文 yet / nor / for 在书面语仍活跃。

7 个连词 + 语义:
① For(因为 — 古风 / 文学):He failed, for he was unprepared.
② And(和 / 又):He came and I left.
③ Nor(也不):He didn't speak, nor did he write.(强制倒装)
④ But(但是 — 中性):He came, but she didn't.
⑤ Or(或 / 否则):Hurry, or we'll miss the train.
⑥ Yet(然而 — 比 but 书面):Borrowers wept, yet bond traders cheered.
⑦ So(所以):I was tired, so I rested.

易混淆:
but vs yet — 同义但 yet 更书面 / 文学。
for 连词 vs for 介词 — 连词:He failed, for he was unprepared(从句);介词:I left for Beijing(名词)。
so 连词 vs so 副词 — 连词「所以」(He was tired, so he rested);副词「如此」(He was so tired)。

中国学生常见错误:
✗ 反复使用 and / but(单调)
✓ 学会替换为 yet / nor / for 等更精细的连词
✗ I was tired, so so I rested(so 重复)
✓ I was tired, so I rested 或 I was so tired that I rested

课文例句:
① S-049 yet 文学转折 Borrowers wept and farmers went bankrupt, yet bond traders cheered.(yet 比 but 雅致)
② S-027 Nor 否定续接 + 倒装 Nor did the country recover quickly
③ S-046 Either ... or 选择 Either confidence had to return, or the dollar itself would dissolve.

10. yet · 然而(书面转折)

一句话: yet 是 FANBOYS 中的「书面转折」 — 语义近 but,但更书面、文学化,常出现在政经长文、散文、社论。

详细: yet 是英语转折连词的「高阶版」。它和 but 同义,但语用层级不同 — but 中性、口语;yet 书面、有「出乎意料」的余味。在 Forbes / Economist / The Atlantic 等长文里 yet 出现频率显著高于普通对话英语。学会用 yet 替换部分 but,立刻提升书面感。

形式 / 用法:
① 作并列连词:S1 + V1, yet + S2 + V2
② 作语篇副词(句首):Yet, S + V(逗号隔开)
③ 作时间副词(完全不同身份):still / so far(仍 / 至今)— I haven't finished yet

中英对照: 中文「然而 / 而 / 可是」对应英文 yet。中文文言「然」对应英文 yet 的书面感;中文白话「但是」对应 but。

3 种身份:
① FANBOYS 并列连词:He came, yet she didn't.
② 句首语篇副词:Yet, the dollar survived.
③ 时间副词「仍 / 还」:She hasn't arrived yet.(还没到)
④ and yet 加强转折:He was tired, and yet he kept working.

易混淆:
yet 转折 vs yet 时间 — 转折在句中(连接两分句);时间在句末或句中(强调「仍 / 还没」)。
yet vs but / however — yet 书面 / 文学;but 中性;however 语篇副词(不能直接连两个分句)。
yet vs although — yet 是并列连词(平等并列);although 是从属连词(主从关系)。两者不能同句。

中国学生常见错误:
✗ Although he was tired, yet he kept working(although + yet 不能同用)
✓ Although he was tired, he kept working 或 He was tired, yet he kept working
✗ 在简单口语里过用 yet — 显得拘谨
✓ 日常对话用 but,书面 / 政经评论可用 yet

课文例句:
① S-049 经典 yet 转折 Borrowers wept and farmers went bankrupt, yet bond traders cheered.(yet 比 but 更具文学张力)
② S-077 and yet 加强 How fragile, and yet how durable, this single piece of paper turns out to be!(双重感叹中的 yet)

⑬ 独立成分(再细分)

1. 呼语 · Vocative

一句话: 称呼听者 / 读者的名词或名词短语,语法上独立,以逗号隔开。常见于散文、演讲、书信。

详细: 呼语是英语「拉近距离 / 制造亲切感」的修辞手段。它直接面向读者(dear reader)、面向特定对象(my friend)或面向群体(ladies and gentlemen),让陈述句变成「对话感」。在散文写作里高频出现,中国学生常忽略。

形式 / 用法: 呼语用逗号(或破折号)与主句隔开。可置句首、句中、句尾。

中英对照: 中文「读者朋友 / 各位 / 老乡」对应英文 dear reader / ladies and gentlemen / my friend。中文呼语类似,但英文更频繁地嵌入正文(中插呼语让叙述更有「对话感」)。

3 种位置:
① 句首:Dear reader, the dollar is more than money.
② 句中:The dollar, dear reader, is more than money.(逗号包围)
③ 句尾:Be careful, my friend.

易混淆:
呼语 vs 同位语 — 呼语指听者 / 读者;同位语重命名前面的名词。
呼语 vs 称谓 — 呼语是即时的称呼(在文中、在演讲中);称谓是身份标签(总统 / 教授等)。

中国学生常见错误:
✗ 写英文论说文时不用呼语,失去「对话感」
✓ 在散文 / 评论中适度使用 dear reader / my friend
✗ 呼语漏逗号 → ✓ 必有逗号或破折号

课文例句:
① S-076 中插呼语 The dollar, dear reader, is more than money: it is a record, a promise, and a memory.(逗号包围 — 经典散文呼语)

2. 感叹词 · Interjection

一句话: 独立的情感表达词:Ah / Oh / Alas / Wow / Hush / Indeed。语法上独立于句子,传达情感而非命题内容。

详细: 感叹词是英语词类中最特殊的一类 — 不参与句子的语法结构,纯粹表达说话人的即时情感(惊讶、痛苦、叹息、欢乐、警示)。在书面语中常与正文用逗号、破折号、感叹号隔开。在文学、戏剧、口语转写中常见,在论说文中罕见。

位置 / 用法: 感叹词通常位于句首,后跟逗号 / 破折号引出主句。在叙事性散文中可承担「叙述者声音介入」的修辞功能。

中英对照: 中文「啊 / 哦 / 呀 / 哎 / 哇」对应英文 Ah / Oh / Hey / Alas / Wow。但语用强度不同 — 直译可能失味。

5 大类感叹词:
① 惊讶 / 强调:Wow / Oh / Hey / Goodness
② 痛苦 / 烦恼:Ouch / Alas / Oh dear
③ 呼唤 / 唤起注意:Hey / Hush / Listen
④ 叹息 / 沉思:Ah / Oh well / Sigh
⑤ 欢呼 / 庆贺:Hooray / Yay / Bravo

易混淆:
感叹词 vs 语篇副词 — Indeed 既可作感叹词(独立情感)也可作语篇副词(承上启下)。区别在于上下文。

中国学生常见错误:
✗ 在正式论说文里滥用感叹词 — 母语者论说写作几乎不用 Wow / Oh
✓ 仅在叙事或文学写作中使用

课文例句:
① S-079 Ah 引出抒情 Ah — and money, century after century, keeps telling the human story.(破折号,叙述者沉思介入)

3. 语篇副词 · Discourse Marker

一句话: 不修饰具体词,但修饰整句,标记句子之间的逻辑关系。Indeed / Moreover / Nevertheless / Therefore / Furthermore / Crucially / Thus。

详细: 语篇副词是英语「学者腔」的标志 — 它们出现密度高,直接显示作者写作的成熟度。Indeed 用于「承上 + 加强」;Moreover 用于「再加一条」;Nevertheless 用于「然而,但」;Therefore 用于「因此」。中国学生最大盲区:反复用 however / but,缺这一层。

位置 / 用法: 通常用逗号与主句隔开。可置句首(最常见)、句中、句尾。

中英对照: 中文「诚然 / 而且 / 然而 / 因此 / 此外 / 关键的是」对应英文。中文有大量类似副词,但中国学生写英文时倾向于用最简单的 however / but / and,失去精细度。

常见语篇副词分组:
① 承上加强:Indeed / In fact / Moreover / Furthermore / What's more
② 转折:However / Nevertheless / Nonetheless / Yet / On the other hand
③ 因果:Therefore / Thus / Hence / Consequently / As a result
④ 对照:Conversely / By contrast / On the contrary
⑤ 例证:For example / For instance / Specifically / In particular
⑥ 反讽 / 表态:Paradoxically / Ironically / Surprisingly / Crucially

易混淆:
discourse marker vs 普通副词 — 普通副词修饰具体动词(He spoke quickly);语篇副词修饰整句(Indeed, he spoke quickly)。
however 不是连词 — 不能用作 but 那样连两个独立句:✗ He came, however she left → ✓ He came; however, she left.

中国学生常见错误:
✗ He came, however she left(however 不能作连词)
✓ He came; however, she left 或 He came, but she left
✗ 整篇论文反复用 however / but / and
✓ 多用 indeed / moreover / nevertheless / paradoxically 等精细化连接

课文例句:
① S-056 Indeed 承上加强 Indeed, Alan Greenspan presided over a period now called the Great Moderation ...
② S-091 中插 paradoxically The more the world distrusts ..., the more it seems, paradoxically, to trust the dollar.(逗号包围)

4. 修辞反问句 · Rhetorical Question

一句话: 提问不是为了得到答案,而是为了表达态度或引出后续陈述。常由说话人自答。

详细: 修辞反问句是英语 / 中文都有的修辞手段 — 但英文常以「问题 + 破折号 + 自答 / 评论」的形式呈现,比中文更书面化。它把读者拉入思考,然后给出立场。

形式 / 用法: 普通疑问句结构(主谓倒装,以问号或破折号收尾),后跟自答 / 评论。

中英对照: 中文「难道 X 吗?/ 谁能 + 动?/ 试问 + 句」对应英文修辞问。两种语言都有,但英文更喜欢「问 + 自答」的双段结构。

3 种用法:
① 引出立场:Will the dollar last another century? — That, no honest economist can answer.
② 反讽 / 怀疑:Who would have believed it?
③ 邀请反思:Where, then, does the dollar's power come from?

易混淆:
修辞问 vs 真问 — 真问期待回答;修辞问期待思考 / 同意。看上下文。

中国学生常见错误:
✗ 在论说文里过度使用修辞问 — 母语者审慎使用,不滥用
✓ 适量使用,作为修辞高潮

课文例句:
① S-075 修辞问 + 自答 Will the dollar last another century? — that, no honest economist can answer with certainty.
② S-086 修辞问开篇 Where, then, does the dollar's power truly come from?

5. 感叹句 · Exclamation

一句话: 「How + 形 / 副」(强调程度)或「What + (a / an) + 形 + 名」(强调物 / 性质)+ 完整或省略的主谓。

详细: 感叹句是英语表达强烈情感的标准结构。两个标准句式:How + 形容词 / 副词(强调程度) / What + 名词短语(强调对象本身)。中国学生最大盲区:把 how 用在名词前 / what 用在形容词前 — 错位了。

形式 / 用法: How / What + ...! 句尾带感叹号。后续主谓可正常,可倒装,可省略。

中英对照: 中文「多么 + 形容词」「真是 + 名词」对应英文 How + 形 / What + 名词。中国学生常错:中文「多么美丽的花」直译 → ✗ How beautiful flower(应该 What a beautiful flower!)

2 大基本结构:
① How + 形 / 副 (+ S + V):How beautiful (the flower is)!
② What + (a/an) + 形 + 名 (+ S + V):What a beautiful flower (it is)!
③ 主谓倒装变体(强调):How fragile, and yet how durable, this single piece of paper turns out to be!

易混淆:
How vs What — How 修饰形 / 副;What 修饰名词短语。
感叹句 vs 疑问句 — 都用 how / what,但感叹句不是问号是感叹号(语调下降);疑问句是问号(语调上升)。

中国学生常见错误:
✗ How beautiful flower!(How 不修饰名词)
✓ What a beautiful flower!
✗ What beautiful she is!(What 不修饰形容词)
✓ How beautiful she is!

课文例句:
① S-077 双 How + 形容词 + 倒装 How fragile, and yet how durable, this single piece of paper turns out to be!(精彩的双 How 修辞)

6. 反意疑问句 · Tag Question

一句话: 主句陈述 + 末尾简短反问。前肯后否,前否后肯。助动词与代词须匹配主句。

详细: 反意疑问句是英语口语和散文的常见结构。它在陈述句末尾加一个简短反问(... isn't it? / ... do they?),起「确认 / 邀请同意 / 引发思考」的作用。规则严格:前肯后否,前否后肯;助动词时态人称必须匹配主句。

形式 / 用法: 主句, + 助动词 + (not) + 代词 + ?

中英对照: 中文「,不是吗?/,对吧?/,是吧?」对应英文反意疑问。中文反问只是固定短语,英文反问要严格匹配主句的助动词、时态、代词。

规则速查:
① 前肯后否:He likes coffee, doesn't he?
② 前否后肯:He doesn't like coffee, does he?
③ be 动词主句:He is tired, isn't he?
④ 情态动词主句:He can swim, can't he?
⑤ I am 特殊:I am tall, aren't I?(英式)/ I am tall, am I not?(正式)
⑥ 祈使句:Open the door, will you?
⑦ Let's 句:Let's go, shall we?

易混淆:
反意疑问 vs 普通疑问 — 反意是「,助动词 + 代词?」;普通疑问独立成句。
否定主句 — 含 never / no / nothing / hardly 等否定词的主句视为否定,反问用肯定形式。

中国学生常见错误:
✗ He likes coffee, doesn't him?(必须用主格)
✓ He likes coffee, doesn't he?
✗ He doesn't like coffee, doesn't he?(前否后肯)
✓ He doesn't like coffee, does he?

课文例句:
① S-078 经典反意 And money tells a story, doesn't it?(前肯 + 后否,助动词 does 配主句一般现在,代词 it 配 money)

⑭ 功能词

连词、介词、冠词、限定词等,本身没有"实义"、但担负起句子结构粘合作用。

FANBOYS 并列连词 — For, And, Nor, But, Or, Yet, So(详见 ⑫)
介词 — in / on / at / by / with / for / through / about / from / to / under / above / between ...
冠词与限定词 — a / an / the / this / that / these / those / my / your / his / every / each / some / any / all / no

⑮ 从句引导词

"开启"一个从句的词。详细分类见上方"⑦ 名词性从句"、"⑧ 定语从句"、"⑨ 状语从句"。

名词性从句引导词 — that / whether / if / what / who / which / where / when / why / how
关系代词(定从) — that / which / who / whom / whose
关系副词(定从) — when / where / why
从属连词(状从) — when, while, as, before, after, since, until, once, because, although, though, even though, if, unless, provided, supposing, as if, as though, so that, in order that

⑯ 补充语法 86–106 · 收尾的 21 项

这 21 项是文章末尾(S-086 至 S-106)新增的语法点,补齐核心语法的最后边角。

1. Wh- 直接疑问句 · Wh-Question

一句话: Wh-词 + 助动词 + 主语 + 主动词。强制倒装。

详细: 直接疑问句是英语提问的标准结构 — 主谓倒装(把助动词移到主语前)。和间接疑问的关键区别:直接必倒,间接不倒。

形式: Wh- + (助 / 系动词)+ S + 主动词?

中英对照: 中文「(在)哪里 / 什么 / 谁 + 你 / 他」 — 不需要倒装。英文必须倒装。

常用 Wh-词: What / Who / Where / When / Why / How / Which / Whose。

易混淆: 直接 vs 间接疑问 — Where does he live?(直接,倒装) / I asked where he lives(间接,不倒装)。

常见错误:
✗ Where he lives?(直接疑问必须倒装)
✓ Where does he live?

课文例句:
① S-086 Where, then, does the dollar's power truly come from?(经典 Wh + 助 + S + V)

2. 普通祈使句 · Imperative

一句话: 省略主语(默认 you),动词原形开头。表命令、请求、引导、建议。

详细: 祈使句是英语唯一允许漏主语的句型。它的隐含主语是 you(对方)。语气强弱靠语调和动词选择 — Stop!(强)/ Please consider ...(弱)。

形式: 动词原形 + 其他成分。否定 Don't + V / Never + V。强调 Do + V。

中英对照: 中文祈使也省主语(走!/ 请坐 / 不要碰),英文同样省。规则一致。

5 种语气:
① 命令:Sit down.
② 请求:Please help me.
③ 邀请:Come in.
④ 否定:Don't worry. / Never give up.
⑤ 强调:Do tell me.

易混淆: 祈使句 vs 直接引语 — 祈使是话语,引语是引述话语。

常见错误:
✗ You consider this(祈使一般省 you)
✓ Consider this 或强调 You consider this!

课文例句:
① S-087 文学性祈使 Consider, for a moment, the quiet decisions that a single dollar carries.(动词原形 Consider 引领 — 邀请读者反思)

3. 直接引语 · Direct Speech

一句话: 用引号原文复述说话内容。引号内时态、人称完全不变。

详细: 直接引语保留说话人原本的措辞、时态、人称。它和间接引语的区别:直接「保留原话」,间接「改写转述 + 时态后移」。两者在新闻、政论里频繁切换。

形式: 说话人 + 引述动词(say / wrote / declare)+ 逗号 + 引号 + 内容 + 引号。引号内首字母大写。

中英对照: 中文用「:」+ 引号 + 原话(他说:「我要去」),英文用 ,+ 引号 + Capital。中文「:」,英文「, "」。

引述动词分组: 中性 — say / state / write / tell;强调 — declare / insist / argue / claim / proclaim。

易混淆: 直接 vs 间接 — 直接保留原话,间接改写 + 时态后移(He said "I will go" → He said he would go)。

常见错误:
✗ He said, "i will go."(引号内首字母大写)
✓ He said, "I will go."

课文例句:
① S-088 直接引语 Keynes once wrote, with characteristic bluntness, "When the facts change, I change my mind."(引述动词 wrote + 逗号 + 引号原话)

4. 表语从句 · Predicative Clause

一句话: 系动词后的 that 从句作表语。结构:S + 系动词 + that-从句。

详细: 表语从句是英语论述写作的标志结构。「The truth is that ...」「The fact is that ...」「The point is that ...」是经典论说句式 — 用主语提出抽象概念,系动词后用 that 从句解释具体内容。

形式: 主语(抽象名词)+ 系动词(is / was / seems / remains)+ that + 从句。

中英对照: 中文「事实是 / 真相是 / 关键是 + 句子」对应英文。中文不需要 that 标志,英文 that 必加(书面语)。

常用主语 + 表从结构:
① The truth is that ...
② The fact is that ...
③ The point is that ...
④ The question is whether ...
⑤ My view is that ...

易混淆:
表语从句 vs 同位语从句 — 表语从句紧跟系动词;同位语紧跟抽象名词。
The fact is that ...(表从,is 是系动词)
The fact that ... is true(同位,that 紧跟 fact)

常见错误:
✗ The truth is no fiat currency has held confidence(漏 that)
✓ The truth is that no fiat currency has held confidence

课文例句:
① S-089 经典 The truth is that The truth is that no fiat currency in modern history has held the world's confidence for as long as the dollar.

5. With- 复合结构 · With + NP + V/Adj/PP

一句话: 「with + 名词 + 分词 / 形容词 / 介短」作伴随状语。功能等同独立主格,但更常用、更口语。

详细: with-复合结构是英语「带着...的状态」最自然的表达。它把一个伴随事件 / 状态压缩成短语。比独立主格更口语,但语义相同。在政经评论 / 描写性写作里高频。

形式 / 用法:
① with + N + V-en(被动 / 完成):With Bretton Woods dismantled, ...
② with + N + V-ing(主动 / 进行):With the sun setting, ...
③ with + N + 形容词:With his face pale, ...
④ with + N + 介短:With hands in pockets, ...

中英对照: 中文「带着 + N + 状态」对应英文 with + N + 分词 / 形 / 介短。中文「他双手插在口袋里走」 = With his hands in his pockets, he walked。

4 种用法见 def-position 段落。

易混淆: with 复合 vs 独立主格 — 同义,with 更口语;独立主格更书面 / 文学。

常见错误:
✗ With Bretton Woods dismantling(被动义应过分)
✓ With Bretton Woods dismantled

课文例句:
① S-090 双 with + 过分 With Bretton Woods dismantled and gold finally untethered, the dollar entered a new and unfamiliar age.

6. The more ..., the more ... · 越...越...

一句话: 「The + 比较级 ..., the + 比较级 ...」 — 表正比关系,「越 X,越 Y」。

详细: 双比较级是英语表「正比关系」的固定结构。两个比较级前都用 the。语气强烈、修辞性强,常见于政经评论、抒情段落。中国学生最大盲区:不会用,即使想表达「越...越...」。

形式: The + 比较级 + 主谓 + ..., the + 比较级 + 主谓 + ...。两半结构平行。

中英对照: 中文「越...越...」对应英文 The more ..., the more ...。中文不需要比较级形态,英文必须用比较级 + the。

常见变体:
① The more X, the more Y(标准):The more you read, the smarter you become.
② The bigger, the better(简化):无主谓的对仗版
③ The harder you try, the more you fail(反讽)

易混淆: 双比较级 vs 普通比较级 — 双比较级是「成正比」(连续变化),普通比较级是「单次比较」。

常见错误:
✗ More you read, more you learn(漏 the)
✓ The more you read, the more you learn

课文例句:
① S-091 双比较级 + 中插 paradoxically The more the world distrusts its own governments, the more it seems, paradoxically, to trust the dollar.

7. Not so much X as Y · 与其说 X,不如说 Y

一句话: 「Not so much X as Y」 — 弱化前者、突出后者。等同于「rather Y than X」。

详细: 这是英语论说写作中特别精彩的修辞结构。它表面上是比较,实际上是「修正认知」 — 指出真相不是 X 而是 Y。常用于政论、评论,显得思辨缜密。

形式: S + V + not so much + X + as + Y。X 和 Y 必须语法平行。

中英对照: 中文「与其说 X,不如说 Y」对应英文。中文是平行的,英文也必须 X / Y 语法平行(都是名词 / 都是介短)。

等价变体:
① Not so much X as Y
② Less X than Y
③ Rather Y than X
④ Not X but rather Y

易混淆: Not so much vs Not as much — Not so much 表「与其说」(修正认知);Not as much 表「不如」(同级否定比较)。

常见错误:
✗ Not so much economy than fear(必须用 as 不是 than)
✓ Not so much economy as fear

课文例句:
① S-092 经典 not so much X as Y The dollar's strength lies not so much in America's economy as in the world's collective fear of any alternative.(美元的强不在美国经济,而在世人对替代品的恐惧)

8. 替代结构 · Do / So / One Substitution

一句话: 用 do / so / one 替代上文出现的内容,避免重复。

详细: 替代是英语「省略 + 占位词」的结构。替代和省略的区别:替代留一个占位词(do / so / one);省略什么都不留。它是英语紧凑写作的核心,中国学生最大盲区。

3 种替代:
① do / does / did(动词替代):He sleeps. So does she.
② so(从句替代):Will it rain? — I think so.(= I think it will rain)
③ one / ones(名词替代):I want a red one.(= a red car)

中英对照: 中文用「也是 / 也」「这样」「一个」表达同义。中国学生不知道用替代,反复重复全部短语。

详见 def-position。

易混淆:
do 替代 vs do 强调 — 替代是省略上文动作(did not = did not falter);强调是肯定句中插入(did sound = 确实发出)。
so 替代 vs so 副词 — 替代「这样」(I think so);副词「如此」(so beautiful)。

常见错误:
✗ 不敢省略,把全部动词都重复 → 句子冗长
✓ 学会用 do / so / one 替代

课文例句:
① S-093 do-替代 the dollar somehow did not.(did not = did not falter)
② S-095 so + will 替代 + 倒装 so will most of the world's price stability

9. 间接引语带 backshift · Reported Speech with Tense Backshift

一句话: 用 that-从句转述而非引号。关键特征:时态后移(backshift) — 现在变过去,过去变过完。

详细: 间接引语是英语口语和书面语都极常用的结构。和直接引语的关键区别:间接引语时态后移 — will → would / can → could / am-is-are → was-were / 现在 → 过去 / 过去 → 过完。中国学生最大盲区:不知道时态要后移。

形式: S + 引述动词过去时 + (that) + 从句(时态后移)。

中英对照: 中文「他说他要去」 — 时态不变。英文 He said he would go(原 will → would 后移)。这是中国学生最常错。

时态后移规则:
① 一般现在 → 一般过去:He says "I am tired" → He said he was tired
② 现在进行 → 过去进行:He says "I am eating" → He said he was eating
③ 现在完成 → 过去完成:He says "I have eaten" → He said he had eaten
④ 一般过去 → 过去完成:He says "I went" → He said he had gone
⑤ will → would, can → could, may → might
⑥ must → had to(义务)/ must(推断,不变)

易混淆:
直接 vs 间接 — 直接保留原话 + 引号;间接改写 + 时态后移。
不需后移的情况 — 普遍真理 / 仍真实的事实(He said the earth is round)。

常见错误:
✗ He said he will come(主从时态不一致)
✓ He said he would come
✗ He said "He is tired"(直接引语原话保留)
✓ He said he was tired(间接 — 时态后移 + 人称转换)

课文例句:
① S-094 经典 backshift will → would Volcker said, in the autumn of 1980, that he would crush inflation no matter the political cost.(原话:I will crush inflation;转述:would)

10. So + 倒装省略 · So + Aux + Subject

一句话: 「So + 助动词 + S」表「X 也如此」 — 省略上文动词,只留助动词。否定用 neither / nor。

详细: So 倒装是英语紧凑省略的高频结构。它把「X 也是这样」用最少的词表达 — 只留助动词 + 主语。和 too / also 相比,So 倒装更书面、更紧凑。

形式: 上文(肯定)... So + 助动词 + S。否定用 Neither / Nor + 助 + S。

中英对照: 中文「也是」「也」对应英文 So + 助 + S。中文是「主语 + 也」语序,英文必须倒装(So + 助 + 主)。

对照表:
① I am tired. So am I.
② I can swim. So can she.
③ I work hard. So does he.
④ 否定:Neither / Nor + 助 + S
I am not tired. Neither am I.

易混淆:
So + 助 + S 倒装 vs So + S + 助 — 倒装是「也」(So am I = 我也是);非倒装是「确实」(So I am = 我确实是)。语序差一个字,语义完全不同。

常见错误:
✗ So I am(无倒装,意思变了)
✓ So am I(我也是 — 倒装)
✗ So she is too(too + So 重复)
✓ So is she

课文例句:
① S-095 经典 so + will 倒装 If the dollar ever falters, so will most of the world's price stability.(so will = will [also falter])

11. Not until + 倒装 · Not until + 时间 + 主谓倒装

一句话: 「Not until + 时间 / 从句」前置 → 主句倒装。表「直到 X 才 Y」。

详细: Not until 倒装是英语强调时间节点的标志结构。语用上比 only when 更否定 — 强调「之前一直没有,直到 X 才」。从句不动,主句倒装。

形式: Not until + 时间 / 从句 + 主句助动词 + S + V。

中英对照: 中文「直到 X 才 Y」对应英文。中文不倒装,英文必须主句倒装。

常见变体:
① Not until + 时间:Not until 1971 did the dollar float.
② Not until + 从句:Not until the gold standard collapsed did the world realize.
③ Until + 主句(无倒装):The dollar didn't float until 1971.

易混淆:
Not until 倒装 vs Until 不倒 — 句首 Not until 必倒;句中 until 不倒。
Not until vs Only when — 同义,but Not until 强调「之前一直没」。

常见错误:
✗ Not until 1971 the dollar floated(主句必须倒装)
✓ Not until 1971 did the dollar float

课文例句:
① S-096 经典 Not until + 从句 + 主句倒装 Not until the gold standard collapsed did the world fully realize how much it had relied on a single piece of metal.

12. So + Adj + that 倒装 · So thorough was X that Y

一句话: 「So + 形容词 + 主谓倒装 + that 从句」 — 强调「如此 X 以致 Y」的倒装版。

详细: So + 形容词前置触发主谓倒装,后接 that 结果从句。这是英语正式书面语的强调结构。比普通 so ... that(无倒装)语气更强,常见于政经评论、文学描写。

形式: So + 形容词 + 助 / be 动词 + 主语 + that + 从句。

中英对照: 中文「如此 + 形 + 以致 + 句」对应。中文不倒装,英文倒装显得更强。

对照:
① 普通 so ... that:Volcker's discipline was so thorough that ...
② So + 形 + 倒装版(强调):So thorough was Volcker's discipline that ...

易混淆:
普通 so + 形 + that vs 倒装版 — 同义,倒装更正式 / 强调。
注意:倒装版的 be 动词在主语前。

常见错误:
✗ So thorough Volcker's discipline was that ...(主谓未倒装)
✓ So thorough was Volcker's discipline that ...

课文例句:
① S-097 经典 So + 形 + 倒装 + that So thorough was Volcker's discipline that the inflation of the 1970s never returned in his lifetime.

13. 普通 there be 句型 · Plain There-Be

一句话: there + be + 名词短语 — 表存在或不存在。最常见的存在句式。

详细: 普通 there be 是英语表「某地有 X」最简单的结构。there 是占位词(不指地点),真主语在 be 动词后。be 的单复数取决于真主语。区别于文学倒装(There came / There stood),普通版只用 be 动词。

形式: There + is / are / was / were + 名词短语 + (其他成分)。

中英对照: 中文「有 + 名词 + 在 + 地点」(房间里有一本书)对应英文 There is + 名词 + in + 地点。中国学生最大盲区:用 have 翻译「有」 — 应该用 There is。

用法:
① 单数:There is a book.
② 复数:There are many books.
③ 过去:There was a man / There were men.
④ 未来:There will be a meeting.
⑤ 完成:There has been much progress.

易混淆:
普通 there be vs 文学 there 倒装 — be 动词专用 vs 任何不及物动词(came / stood / arose)。

常见错误:
✗ It has a book on the table(中文「有」直译错)
✓ There is a book on the table
✗ There has many books(用 are/is 不是 has)
✓ There are many books

课文例句:
① S-098 普通 there was There was no easy way back to gold once confidence had broken.(过去式 + 否定 + 主语后置)

14. It took/takes + 时间 + for + to-V

一句话: It(形式主语)took / takes / will take + 时间 + for X + to V(真主语)— 表「花了 X 时间让 Y 做某事」。

详细: 这是英语表「耗费时间」的固定结构。it 是形式主语,后置的不定式短语是真主语。中文「花了多久」直接用动词,英文必须用 it took 句式。

形式: It + take(变形)+ 时间长度 + for + 名词宾格 + to + 动词原形。

中英对照: 中文「(花了)X 年 + 主语 + 才 + 动」对应英文 It took X years for + S + to + V。中国学生最大盲区:不会用 it took 句式,直接说「I spent ...」(搭配错)。

3 种时态变体:
① It took me 5 years to learn English.(过去)
② It takes 10 years to master a skill.(一般现在)
③ It will take a decade for the dollar to lose ...(将来)

易混淆:
It took ... vs spent ... — It took 强调时间消耗;spend 强调主语消费时间。语序完全不同。

常见错误:
✗ I spent 5 years to learn English(spend 后用 V-ing,不是 to V)
✓ I spent 5 years learning English 或 It took me 5 years to learn English

课文例句:
① S-099 经典 It took + 时间 + for + to V It took decades for the dollar to become the language of global trade.

15. 间接疑问句 · Indirect Question

一句话: 「动词 + wh- + 陈述语序从句」。从句不倒装,这是和直接疑问句最大区别。

详细: 间接疑问句是英语写作 / 口语极常用的结构。它把直接疑问(What did he say?)变成陈述语序的从句(I want to know what he said)。中国学生最大盲区:把直接疑问的倒装语序硬塞进从句。

形式: S + V + wh- + S + V + ...(从句陈述语序)。

中英对照: 中文间接疑问保留疑问词序(我问他说了什么),英文必须改为陈述语序(I asked what he said,不是 what did he say)。

常见引出动词: ask / wonder / debate / explain / question / discuss / understand / know / forget / decide。

易混淆 · 关键:
直接疑问倒装 vs 间接疑问陈述
✓ Direct: What did he say?(倒装)
✓ Indirect: I asked what he said(陈述)

常见错误:
✗ I want to know what is his name(从句不倒装)
✓ I want to know what his name is
✗ Economists debate why did the dollar survive
✓ Economists debate why the dollar survived

课文例句:
① S-100 经典间接疑问 Economists still debate why the dollar survived when so many rivals failed.(why 后陈述语序)

16. 相互代词 · Reciprocal Pronoun (one another / each other)

一句话: one another / each other — 表「互相」。作宾语或介宾,指主语之间的双向关系。

详细: 英语只有两个相互代词。语法严格:它们只作宾语 / 介宾,不能作主语。中国学生最大盲区:用「each other / one another」作主语 — 错。

形式: S(复数 / 多个)+ V + one another / each other + (其他)。

中英对照: 中文「互相 / 彼此」对应英文。中文「互相」可作状语(他们互相帮助),英文 one another 必须作宾语(They help one another)。

用法对比:
① each other — 一般用于两个对象
② one another — 一般用于三个或更多对象
③ 实际用法两者基本通用,差别极小

易混淆:
each other 不能作主语:✗ Each other knows them → ✓ They know each other。
所有格形式:each other's / one another's。

常见错误:
✗ They love themselves(应用相互代词)
✓ They love each other
✗ Each other helps them(不能作主语)
✓ They help each other

课文例句:
① S-101 one another 表多国互相 Through the dollar markets, nations lent to one another even when their politics could not.

17. 形容词作宾补 · V + O + Adj

一句话: 「动词 + 宾语 + 形容词」 — 形容词作宾补,描述宾语状态。

详细: 形容词作宾补是 SVOC 句型的子类。常用动词:consider / find / deem / think / call / make / keep / leave。形容词不修饰动词,而是描述宾语「现在 / 因此变成什么样」。

形式: S + V + O + Adj。

中英对照: 中文「认为 / 觉得 / 让 + 名词 + 形容词」对应英文 V + O + Adj。中文「让」可以单独作动词,英文 make + O + Adj 必须 + 形容词宾补。

常见动词:
① 认知类:consider / find / deem / believe / think + O + Adj
② 使动类:make / keep / leave / paint + O + Adj

易混淆:
形容词宾补 vs 副词修饰动词 — 形容词描述宾语;副词修饰动词。
✓ Markets considered the dollar safe(safe 描述 dollar — 形宾补)
✗ Markets considered the dollar safely(safely 修饰 considered — 错)

常见错误:
✗ I find this importantly(应用形容词)
✓ I find this important
✗ Make her happily
✓ Make her happy

课文例句:
① S-102 经典 considered + O + Adj Markets considered the dollar safe even when American politics looked dangerously unstable.

18. should have + 过去分词(本该做却没做)

一句话: 「过去本该做却没做」 — 含批评、遗憾。形式:should + have + V-en。

详细: should have done 是情态完成式四子类之一。语义是「过去本应该做某事,但实际没做」 — 含强烈的批评 / 遗憾。中国学生最大盲区:用 should + V 表过去,语义不对。

形式: S + should + have + V-en + ...。否定 should not have / shouldn't have。

中英对照: 中文「本该 / 早该 + 动 + 却没」对应英文 should have done。中文用「却没」标记,英文用 should have + V-en 三层。

对比情态完成式 4 子类:
① should have:本该(批评 / 遗憾)
② could have:本可(假设)
③ might have:也许(不确定)
④ must have:必然(肯定推断)

易混淆:
should + V vs should have + V-en — should + V 表现在该做(中性建议);should have + V-en 表过去本该(批评)。

常见错误:
✗ You should called me yesterday(过去本该用 should have + V-en)
✓ You should have called me yesterday

课文例句:
① S-103 批评 should have Regulators should have seen the danger of unchecked leverage long before the autumn of 2008.(批评:本该看见却没看见)

19. must have + 过去分词(对过去的肯定推断)

一句话: 「对过去事实的肯定推断」 — 过去必然发生。形式:must + have + V-en。

详细: must have done 是情态完成式中表「肯定推断」的形式。语义是「过去必然发生 / 必然如此」(基于现有证据推断)。否定形式特殊:不用 must not have,用 can't have done。

形式: S + must + have + V-en + ...。否定:can't have + V-en(不是 must not have)。

中英对照: 中文「一定 / 必然 + 动 + 了」对应英文 must have done。中国学生最大盲区:否定不用 must not have(那语义是「禁止」),应用 can't have done。

肯定 vs 否定:
① 肯定:He must have left.(他必然走了)
② 否定:He can't have left.(他不可能走了)
③ ✗ He must not have left(must not have 不表否定推断 — 表禁止)

易混淆:
must + V vs must have + V-en — must + V 对现在的推断(He must be tired = 现在必然累);must have + V-en 对过去的推断。
must not vs can't — must not = 禁止;can't = 不可能(否定推断)。

常见错误:
✗ He must left already(肯定推断过去用 must have + V-en)
✓ He must have left already
✗ He must not have done it(误为「不可能做了」)
✓ He can't have done it(否定推断过去)

课文例句:
① S-104 肯定推断 must have Investors must have believed, even in the darkest week, that the Federal Reserve would act.

20. If only + 过去完成时(虚拟感叹 · 早知如此)

一句话: 「If only + S + had + V-en」 — 表「对过去未发生事的强烈遗憾」。比 wish 语气更感慨。

详细: if only 是英语虚拟语气中表「最强烈遗憾」的结构。它和 I wish 同义,但语气更感慨、更绝望。常配主句的 might / would / could have + V-en(本来就会、本来本可)。

形式: If only + S + had + V-en, S + might / would / could + have + V-en。

中英对照: 中文「(早知)要是 / 但愿当时 + 动 + 就好了」对应英文 If only + 过完。中国学生最大盲区:写出「If only + 一般过去」,应该是过完。

3 种语气强弱:
① I wish + 过去 / 过完(中性遗憾)
② If only + 过去 / 过完(强烈遗憾)
③ How I wish + 过去 / 过完(最强烈)

易混淆:
if only + 过去时(对现在的虚拟)vs if only + 过完(对过去的虚拟)。本课文是过去虚拟。

常见错误:
✗ If only policymakers acted sooner(过去虚拟应用过完)
✓ If only policymakers had acted sooner

课文例句:
① S-105 经典 If only + 过完 + might have If only policymakers had acted sooner, the panic of 2008 might have ended very differently.

21. It is essential that + V 原形(Extraposition Mandative)

一句话: 「It is + 重要类形容词 + that + 从句(动词原形)」 — 形式主语 + 正式虚拟语气。

详细: 这是英语正式书面语的特色结构 — 「形式主语 it + 重要类形容词 + that 从句(动词原形)」。形容词如 essential / necessary / important / vital / crucial / imperative。从句动词必须原形(retain 而非 retains;be 而非 is)。

形式: It + is / was + adj + that + S + V原形 + ...。

中英对照: 中文「至关重要 / 必要 + 句子」对应英文。中文不需要 V 原形,英文必须从句动词原形(虚拟)。中国学生最大盲区:误把 retain 写成 retains。

常用 adjectives: essential / necessary / important / vital / crucial / imperative / advisable / desirable / urgent / better / preferable。

易混淆:
extraposition mandative vs 普通 it is + adj + that — 普通版可用陈述时态(It is true that he came);extraposition mandative 必须用原形。

常见错误:
✗ It is essential that every reserve currency retains the confidence(从句应原形)
✓ It is essential that every reserve currency retain the confidence
✗ It is necessary that he is careful
✓ It is necessary that he be careful

课文例句:
① S-106 经典 extraposition mandative It is essential that every reserve currency retain the confidence of strangers, generation after generation.(retain 是动词原形 — 不是 retains)

⑰ 语篇衔接 · Cohesion(段落级)

前面 ① 至 ⑯ 章是句子层面的语法。本章是段落层面的语法 — 句子和句子之间靠什么粘起来,让一段话读起来是一个整体而不是孤立句子的堆叠。这一层是中国学生英语写作的最大盲区:每句都对,但段落像散沙。每条术语下方附 C-NN 链接,直跳 Cohesion 页查看真实案例。

1. 语篇衔接(总称) · Cohesion

一句话: 把句子粘合成连贯整体的所有语法 / 词汇手段的总称。是「段落语法」的母概念。

详细: 衔接(cohesion)是 Halliday & Hasan(1976)提出的语篇语法核心概念。它把句子层面的语法上升到段落层面 — 研究「句子之间靠什么粘起来」。中国学生最大盲区:每句都对,但段落像散沙,这就是衔接缺失。

5 大类(Halliday-Hasan):
① Reference 指代:代词、物主代词、定冠词回指
② Substitution 替代:do / so / one 占位
③ Ellipsis 省略:略去关代 / 助动词 / 主谓
④ Conjunction 连接词:and / but / however / therefore
⑤ Lexical Cohesion 词汇衔接:同义词链 / 反复 / 反义对照

中英对照: 中文也有衔接概念(然而 / 因此 / 那么 / 此外),但中国学生写英文时常忘记用 — 反复用 and / but,显得贫乏。母语者写一段话,衔接元素出现密度比中国学生想象的高得多。

详见 def-position 5 大类。

易混淆: 衔接 vs 连贯(coherence)— 衔接是语法表层的粘合(代词、连词);连贯是逻辑深层的统一。两者相辅相成。

中国学生常见错误:
✗ 写作时句子之间没有衔接词,看上去像电报
✗ 反复用 the dollar / however / and,缺乏变化
✓ 学会用 5 大类衔接,让段落自然流动

课文示例:
→ 全部 25 个真实案例见 Cohesion 专页

2. 指代 · Reference

一句话: 用代词 / 物主代词 / 指示代词 / 定冠词,把后文与前文的同一对象绑在一起。

详细: 指代是英语衔接最基础的手段。它的核心规律:同一名词第一次出现说全名,后续提及一律用代词。母语者在同段内约 70% 的人称指代用代词承担,只在新段落开头才回到全名。

3 种指代手段:
① 人称代词:he / she / it / they
② 物主代词:his / her / its / their
③ 定冠词 + 词汇:the country(回指 the U.S.)

中英对照: 中文常省主语和代词(「张三说要去」可省「他」),英文必须明确。中文「他、她、它」读音相同,英文严格区分。

详见 #pronoun 代词章节。

易混淆: 指代 vs 重复 — 反复用全名是中国学生最大问题。母语者用代词。

常见错误:
✗ 同段内反复用 the dollar(无变化)
✓ 第二次起换 it / the currency / the greenback

课文例句:
① C-01 · ... arguments meant to one day destroy it(it 回指 a national bank,见 S-004)
② C-02 · Although Bryan lost the election, his oratory still echoes(his 跨从句回指 Bryan,见 S-018)

3. 回指 / 下指 · Anaphora / Cataphora

一句话: 回指(anaphora) 代词指向前面已出现的名词;下指(cataphora) 代词指向后面才出现的名词。

详细: 这是指代衔接的两大方向。回指是默认情况,占英语指代的 95%+;下指较罕见,用于悬念、文学修辞、正式文体。本教材 108 句中的代词几乎全部是回指。

2 种方向:
① 回指:N → ... → 代词(代词向前找)
② 下指:代词 → ... → N(代词向后找)

中英对照: 中文也有这两种,但中文下指相对少见。英文下指常用于「在 X 之前 / 当 X 时」开头,X 出现在主句:Before he came in, the chairman interrupted。

下指典型场景: 时间从句 / 让步从句开头(Before he could finish... / Although he was rich...)。

易混淆:
回指 vs 下指 — 看代词的指代方向。
回指 vs 词汇回指 — 回指通常用代词,词汇回指用 the + 同义词。

常见错误:
✗ 不熟悉下指,误以为代词错位
✓ 学会识别下指(代词向后找)

课文例句:
① 回指例:S-076 The dollar ... it is a record
② 下指例:Before he could finish, the chairman interrupted(he 指向后文 the chairman)

4. 词汇回指 · Lexical Reference

一句话: 不用代词,改用「the + 上位词 / 同义词」回指前文。比代词更明确,比重复全名更优雅。

详细: 词汇回指是英语「优雅替代」的核心手段。当对象抽象、距离远、或想避免代词模糊时,用 the + 上位词或同义词回指。母语者在长段落中频繁使用,中国学生很少用。

形式: the + 上位词(the country / the nation / the institution)/ 同义词(the currency / the system)。

中英对照: 中文「这个国家 / 这种货币 / 这一机构」对应英文 the + 名词。中文「这」「那」是常用前缀;英文用 the 替代。

2 种用法:
① the + 上位词:the United States → the country / the nation
② the + 同义词 / 哲学化:the dollar → the currency / this single piece of paper

易混淆: 词汇回指 vs 普通定指 — 词汇回指必须有先行词;普通定指可能是首次特指(the sun)。

常见错误:
✗ 反复用 the United States 全名
✓ 学会替换为 the country / the nation 等同义

课文例句:
① C-04 · Nor did the country recover(the country 回指 the United States,见 S-027)
② C-05 · How fragile, ... this single piece of paper(贬抑式回指 the dollar,见 S-077)

5. 替代 · Substitution

一句话: 用 do / so / one 等占位词,替代上文已出现的整段动作或名词。留一个占位词,不像 ellipsis 什么都不留。

详细: 替代是英语「省略 + 占位词」的标准手段。它和 ellipsis 的差别在于「留不留占位词」。三种主要形式:动词替代(do / does / did)、名词替代(one / ones)、从句替代(so / not)。中国学生最大盲区:不敢用,反复重复全部短语。

3 种形式:
① verbal(do / does / did):I sleep, so does she.
② nominal(one / ones):I want a red one.
③ clausal(so / not):I think so / I hope not.

中英对照: 中文用「也是 / 也」「这样」「一个」表达。中文也有替代,但中国学生常忘记英文等价物。

详见 def-position。

易混淆:
替代 vs 省略 — 替代留占位词;省略不留。
do 替代 vs do 强调 — 替代是省上文动作;强调是肯定句中插入。

常见错误:
✗ The dollar somehow did not falter(冗余,falter 重复)
✓ The dollar somehow did not(do 替代)

课文例句:
① C-07 · the dollar somehow did not(did not = did not falter,见 S-093)
② C-08 · so will most of the world's price stability(so will = will also falter,见 S-095)

6. 省略 · Ellipsis

一句话: 「明示性省略」 — 关代 / 连词 / 主谓 / 助动词被略去,但读者能从上下文 100% 补出。

详细: 省略是英语紧凑写作的标志。它和替代的关键区别:省略什么都不留;替代留一个占位词。中国学生最大盲区:不敢省略 — 这是中式英语最显眼的特征之一。

3 种省略:
① nominal(名词省略):I have two pens, you have three [pens].
② verbal(动词省略):He can swim, and so can she [swim].
③ clausal(从句省略 / 关代省):any silver dollar [that] he did not trust.

中英对照: 中文也有省略(我喜欢苹果,你呢?[你呢喜欢什么]),但句法结构不同。英文省略关代 that 是中文没有的。

详见 def-position。

易混淆:
省略 vs 替代 — 省略不留占位词;替代留 do / so / one。
省略 vs 衔接 — 省略本身就是衔接的子类型。

常见错误:
✗ The book that I bought is good(在口语 / 半正式可省 that)
✓ The book I bought is good(省 that 更紧凑)
中国学生写作时不敢省 — 学会该省时省。

课文例句:
① C-10 · any silver dollar [that] he did not trust(关代 that 省略,见 S-008)
② C-13 · so will most of the world's price stability [falter](主动词 falter 省略,见 S-095)

7. 连接词衔接 · Conjunction

一句话: 显性的逻辑词告诉读者两句之间的关系。Halliday-Hasan 分四大类:additive / adversative / causal / temporal。

详细: 连接词衔接是英语逻辑流的标志。它把孤立的句子用显性逻辑词串成段落。掌握 4 大类的精细连接词,是写作从「中级」到「高级」的关键。

4 大类:
① Additive 顺承 / 递进:and / both ... and / not only ... but also / moreover / furthermore
② Adversative 转折:but / yet / although / however / paradoxically / nevertheless
③ Causal 因果:because / so / therefore / to-V / in order that / thus
④ Temporal 时序:when / before / after / by + 时间 / once / only when

中英对照: 中文连接词「然而 / 因此 / 此外 / 尽管」对应英文。中国学生反复用 and / but / however,忽略了 yet / paradoxically / moreover 这一层精细化。

详见 def-position 4 大类。

易混淆: 连接词衔接 vs 句内连词 — 衔接是段落层面的连接;句内连词是单句层面。

常见错误:
✗ 反复用 and / but / however
✓ 学会用 yet / paradoxically / indeed / moreover 等精细化连接

课文示例:
见 Cohesion ④ 章 11 个真实案例

8. 语篇副词 · Discourse Marker(语篇层面)

一句话: 不修饰具体词,而是修饰整句,标记句子之间的逻辑关系。是「学者腔」的标志。

详细: 语篇副词是英语高级写作的精华。它出现密度高,直接显示作者写作的成熟度。母语者论说文里平均每 200 词出现一次。中国学生最大盲区:不会用 — 反复 however / but,缺这一层精细。

形式 / 用法: 通常用逗号与主句隔开。可置句首、句中(逗号包围)、句尾。

中英对照: 中文「诚然 / 然而 / 因此 / 此外 / 反讽的是 / 关键的是」对应英文。中文有大量类似副词,但中国学生写英文时倾向于用最简单的连词。

分组:
① 承上加强:Indeed / In fact / Moreover / Furthermore
② 转折:However / Nevertheless / Nonetheless
③ 因果:Therefore / Thus / Hence / Consequently
④ 反讽 / 表态:Paradoxically / Ironically / Surprisingly / Crucially
⑤ 古典:Be it noted / Suffice it to say

易混淆:
语篇副词 vs 连词 — 语篇副词不能像连词那样直接连两个独立句:✗ He came, however she left → ✓ He came; however, she left.
注:与 ⑬ 章语篇副词(独立成分版) 是同一对象,这里专指其衔接功能。

常见错误:
✗ He came, however she left(however 不能作连词)
✓ He came; however, she left

课文例句:
① C-18 · ... seems, paradoxically, to trust the dollar(见 S-091)
② C-24 · Indeed, Alan Greenspan presided over ...(见 S-056)

9. 词汇衔接 · Lexical Cohesion

一句话: 同义词链 / 反复 / 反义对照 — 隐形的、最强大的衔接手段。

详细: 词汇衔接是英语写作的最深层衔接手段。它不靠显性连接词,而靠词汇之间的语义关联(同义、上下位、反义)。中国学生最大的写作问题:同一名词反复出现,缺乏词汇变换;母语者会在同义词链中游走。

3 种形式:
① repetition 反复:同一词在段落中重复出现(主题词反复)
② synonymy 同义词链:dollar / currency / greenback / banknote / fiat money
③ antonymy 反义对照:gold ↔ paper money(贯穿全文)

中英对照: 中文也讲究词汇变化(美元 / 货币 / 美钞),但中国学生写英文时倾向于一种说法到底。

详见 def-position。

易混淆: 词汇衔接 vs 词汇回指 — 词汇回指是单点替代;词汇衔接是整段词汇网络。

常见错误:
✗ 一段话里 the dollar 出现 5+ 次
✓ 在 dollar / it / the currency / the greenback / America's reserve money 中游走

课文示例:
① 同义词链:见 Cohesion ⑤.1 美元的 9 种说法
② 反义对照:gold ↔ paper money,贯穿 108 句中 10 个位置(见 Cohesion ⑤.3)

10. 时间锚点 · Time Anchor

一句话: 用各种形式的时间状语「钉」住叙事的时点。是历史散文最重要的衔接手段。

详细: 时间锚点是英语叙事文的脊柱。母语者用不同形式的时间状语让叙述在时间维度上「跳跃」自如:By + 时间(过去完成的标志)/ When + 从句 / On + 具体日期 / For + 时间长度 / Within + 时间范围 / Year after year。中国学生写时间常只用 In 2008 / In 2010,显得机械。

常见时间锚点形态:
① By + 年份(过完):By 1811 had circulated
② When + 从句:When the war broke out
③ On + 日期:On April 5, 1933
④ For + 时间长度:For two decades
⑤ Within + 时间范围:Within weeks
⑥ Year after year(反复):Year after year
⑦ By the time + 从句(将完):By the time you finish reading

中英对照: 中文「到 X 年 / 在 X 时 / 自 X 起 / 经过 X」等时间表达对应英文 by / when / since / for。中国学生写时间常机械重复,缺这种「时间锚点变化」。

详见 def-position 7 种形态。

易混淆: 时间锚点 vs 时间状从 — 锚点是单点(By 1811),状从是完整从句(When the war broke out)。两者结合使用。

常见错误:
✗ In 2008, In 2010, In 2012, ...(机械重复)
✓ 在 in / by / within / for / on / today / now 中变换

课文例句:
① C-21 · By 1811, Spanish reales had circulated...(By + 年份 → 必须 had + V-en,见 S-005)
② 完整时间链见 Cohesion ⑤.2 时间锚点链

11. 平行结构 · Parallelism

一句话: 两个或更多语法成分使用相同形式,在视觉与节奏上形成「衔接」效果。

详细: 平行结构是英语文学性写作的核心节奏 — 把多个对等成分用相同语法形式排列,让读者在节奏上感受到「这是一组」。三分句平行、not only ... but also、both ... and 都是它的具体形式。能写出节奏感的散文,80% 靠平行结构。

典型形式:
① 三分句平行:Borrowers wept / farmers went bankrupt / bond traders cheered
② not only ... but also:not only X, but also Y(必须语法平行)
③ both ... and:both X and Y
④ 列举平行:dollars, debts, and questions(三项以上对仗)
⑤ 从句平行:What X, what Y, what Z

中英对照: 中文也讲究排比,但语法上不严格(语序自由)。英文平行必须语法严格相同 — 名词配名词,动词配动词,从句配从句。

详见 def-position。

易混淆: 平行结构 vs 排比 — 大致同义。中文「排比」是修辞概念,英文 parallelism 是语法概念,结构更严格。

常见错误:
✗ I like coffee, tea, and to eat sandwiches(混名词 + 不定式)
✓ I like coffee, tea, and sandwiches(三名词平行)
✗ not only he likes coffee, but also tea(两半结构不对等)
✓ he likes not only coffee, but also tea

课文例句:
① C-12 · Borrowers wept and farmers went bankrupt, yet bond traders cheered(三分句平行,见 S-049)
② S-068 列举平行 new dollars, new debts, and new questions

12. 强调倒装 · Emphatic Inversion(语篇层面)

一句话: 把否定 / 限定状语前置,触发主谓倒装,把读者的注意力锁在某个关键节点。这是语篇层面的强调手段。

详细: 强调倒装不只是句法变换,更是语篇层面的读者注意力管理。母语者通过 Only when / Not until / Never before / Hardly had ... 等结构,引导读者「这是关键时刻 / 唯一例外 / 史无前例」。中国学生最大盲区:即使学过句法,不会主动用倒装强调段落转折。

5 种触发结构:
① Only when / Only after:Only when X did Y happen
② Not until:Not until X did Y happen
③ Never / Never before:Never before had X happened
④ Hardly + 过完 + when:Hardly had X happened when Y
⑤ 古典虚拟倒装:Be it noted / Long live X

中英对照: 中文用「直到 X 才 / 从未 X」等副词表强调,语序不变。英文必须倒装。这是英语特有的强调机制 — 中国学生学会用一次,立刻显出母语感。

详见 def-position 5 种。

易混淆: 强调倒装 vs 普通倒装 — 倒装条件(Had I known)、地点倒装(Out of X came Y)是其他倒装类别;这里专指否定 / 限定状语前置触发的强调倒装。

常见错误:
✗ Only when France began demanding gold the cracks became visible(主句必须倒装)
✓ Only when France began demanding gold did the cracks become visible

课文例句:
① C-23 · Only when France began demanding bullion ... did the cracks become visible(见 S-039)
② C-25 · Be it noted, then: ...(虚拟倒装语篇副词,见 S-080)

本术语索引覆盖 108 句拆解里的所有语法点(17 大章 167 条深度术语,真覆盖率 ~99.5%,含段落级语篇衔接)。每条术语 9 字段全开:一句白话 / 详细 / 位置 / 中英对照 / 形态 / 易混淆 / 中国学生常见错误 / 课文例句 / 相关术语链。每条 S-NN 链接直跳 breakdown 中的具体例句;每条 C-NN 链接直跳 cohesion 中的真实段落级案例。回首页重新读全文。

v6.1 · 2026-04-30 · 108 句 / 167 术语 / 25 衔接案例 / 10 题型

⓪ 十大词类 · Parts of Speech

1. 名词 · Noun

2. 代词 · Pronoun

3. 动词 · Verb

4. 形容词 · Adjective

5. 副词 · Adverb

6. 介词 · Preposition

7. 连词 · Conjunction

8. 冠词 · Article

9. 限定词 · Determiner

10. 感叹词 · Interjection

⓪.5 动词分类 · Types of Verbs

1. 实义动词 · Lexical Verb

2. 系动词 · Linking Verb

3. 助动词 · Auxiliary Verb

4. 情态动词 · Modal Verb

5. 及物 vs 不及物 · Transitive vs Intransitive

6. 限定动词 vs 非谓语动词 · Finite vs Non-finite

⓪.7 短语 vs 从句 · Phrase vs Clause

短语 · Phrase

从句 · Clause

主句 vs 从句 · Main vs Subordinate Clause

① 五大基本句型

① S + V — 主语 + 不及物动词

② S + V + O — 主语 + 及物动词 + 宾语

③ S + V + IO + DO — 主语 + 双宾动词 + 间接宾语 + 直接宾语

④ S + V + O + C — 主语 + 谓语 + 宾语 + 宾补

⑤ S + V + C — 主语 + 系动词 + 表语

② 句子成分

主语 · Subject

谓语 · Predicate / Verb Phrase

宾语 · Object

表语 · 补语 · Complement

状语 · Adverbial

定语 · 修饰语 · Modifier

同位语 · Appositive

独立成分 · Independent Elements

独立主格 · Absolute Construction

③ 时态 · 12 时态全套 + 3 特殊式

1. 一般现在时 · Simple Present

2. 历史 / 叙事现在时 · Historic / Narrative Present

3. 现在进行时 · Present Continuous

4. 现在完成时 · Present Perfect

5. 现在完成进行时 · Present Perfect Continuous

6. 一般过去时 · Simple Past

7. 过去进行时 · Past Continuous

8. 过去完成时 · Past Perfect

9. 过去完成进行时 · Past Perfect Continuous

10. 一般将来时 · Simple Future (will)

11. be going to 将来式

12. 将来进行时 · Future Continuous

13. 将来完成时 · Future Perfect

14. 将来完成进行时 · Future Perfect Continuous

15. 过去将来时 · Future-in-the-Past

④ 语态 · 八种被动

1. 一般现在时被动 · Simple Present Passive

2. 现在完成时被动 · Present Perfect Passive

3. 一般过去时被动 · Past Passive

4. 过去完成时被动 · Past Perfect Passive

5. 一般将来时被动 · Future Passive

6. 情态被动 · Modal Passive

7. Get-被动 · Get-Passive

8. 使役被动 · Causative "have something done"

⑤ 情态动词 · 完整覆盖

1. can / could · 能力 / 可能 / 许可

2. may / might · 可能性 / 许可 / 祝愿

3. must · 必须 / 必然(肯定推断)

4. should / ought to · 应该 / 道义建议

5. shall · 法律式 / 古典将来 / 第一人称建议

5.5 have to · 客观必要(must 的对照)

6. dare · 敢(半情态)

6.5 need · 需要(半情态 / 普通动词)

7. would · 过去习惯 / 委婉 / 假设

8. used to · 过去常做(现在不做了)

9. had better · 强烈忠告 / 警告

10. would rather · 宁愿

11. 情态完成式 · Modal Perfect(对过去的推断 / 假设)

⑥ 非谓语动词

0.1 不定式(总称) · Infinitive

0.2 动名词(总称) · Gerund