高中英语表语从句讲解及专项练习

表语从句讲解及专项练习

概念：表语从句是在复合句中作表语的名词性从句。放在系动词之后,一般结构是“主语+系动词+表语从句”可以接表语从句的连系动词有be, look, remain, seem等。

可以接表语从句的系动词有：

1：be（being,been,am,is,are,was,were)

2: feel , seem , look, appear ,sound, taste , smell

3: stand , lie , remain ,keep, stay

4: become ,get , grow , turn ,go ,come, run, fall

5: prove, turn out

The trouble is that we are short of money.困难是我们资金短缺。

That is why stone walls are used instead of fences around New England fields.这就是为什么在新英格兰用石头墙而不用栅栏的原因。

At that time, it seemed as if I couldn't think of the right word anyhow.当时,我似乎怎么也想不出一个恰当的字眼来。

引导表语从句的词：

从属连词that、whether、as though、as if（That引导表语从句时，在口语中，间或可以省略。）

关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever等；

关系副词when, where, why, how, however, whenever, wherever等。

由从属连词that，whether引导的表语从句。

that在引导表语从句时无词义，而whether有词义，意为、“是否”。这时主句的主语常常是些抽象名词，如question(问题)，trouble(麻烦)，problem(问题)，result(结果)，chance(可能性)，suggestion(建议)，idea(想法)，reason(理由)等。表语从句对主句主语进行说明、解释，使主语的内容具体化。例如：

The trouble is (that) she has lost his money. 麻烦的事是他丢了钱。

The question is whether we need more ice cream.问题是我们是否还需要一些冰淇淋。

The problem was that it was too valuable for everyday use.问题是它作为日常之用太贵重了。

What she couldn’t understand was that fewer and fewer students showed interest in her lessons. 我们不能理解越来越少的学生对他的课不感兴趣。

由关系代词引导的表语从句。

关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever等引导表语从句，在句中作主语、宾语、表语，关系代词不能省略。例如：The question is which of us should go.问题是我们哪一个应该去。

The problem was who could do the work.问题是谁能做这项工作。

That's what he is worrying about.那就是他在担心的事。That's what we should do.那是我们应该做的。

由关系副词引导的表语从句。

关系副词when, where, how, why 除在句子起连接作用外，在从句中还充当时间，地点，方式或原因状语，本身具有词义。例如：Go and get your coat. It's where you left it. 去把雨衣拿来。就在你原来放的地方。

I had neither a raincoat nor an umbrella. That’s why I g ot wet through. 我们既没伞也没雨衣，这是我们淋湿的原因。That is how mice ruin many stores of grain every year.那就是老鼠是怎样每年损害大量粮食的。

That is what he is worried about.那就是他所担心的。

由连词because，as if/as though等引导的表语从句。

It looked as if it was going to snow.看起来好像要下雪了。

That's because we never thought of it.这是因为我们从未想过此事。

It seems as if he didn’t know the answer.好像他不知道答案。

注意

A. 表语从句一定要用陈述语序。

False: The question is when can he arrive at the hotel. Right: The question is when he can arrive at the hotel.

B. 不可以用if，而用whether 连接表语从句(as if 例外）。引导宾语从句时可以互换if/whether 位于介词后要用whether 位于句首时要用whether。引导表语从句，主语从句，同位语从句时要用whether。

False: The question is if the enemy is marching towards us.

Right: The question is whether the enemy is marching towards us.

Right: It looked as if he had understood this question.

C.不像宾语从句，在有表语从句的复合句中，主句时态和从句时态可以不一致。

Right: The question is who will travel with me to Beijing tomorrow.

Right: The question is why he cried yesterday.

D. that在表语从句中不可以省掉。

基本用法

表语从句只能置于主句之后，而主句的动词只能是联系动词。名词性从句在be等系动词后作表语时被称为表语从句例如：The problem is how we can get the things we need.

问题是我们怎样能弄到我们需要的东西。(how 在表语从句中充当方式状语)

The scissors are not what I need. 这把剪刀不是我所需要的。(what 在表语从句中充当宾语)

What I told him was that I would find him a good play. 我告诉他的是我会给他找个好剧本。(what在主语从句中作直接宾语，that作为表语从句的引导词在该表语从句中不充当句子成分，不能省略)

That is what I want to tell you.那就是我想要对你讲的。(what在表语从句中充当直接宾语)

That is why she failed to pass the exam. 那就是她考试不及格的原因。(why 在表语从句中充当原因状语)

What I told him was that I would find him a good play. 我告诉他的是我会给他找个好剧本。(what在主语从句中作直接宾语， that作为表语从句的引导词在该表语从句中不充当句子成分，不能省略)

That is what I want to tell you.那就是我想要对你讲的。(what在表语从句中充当直接宾语)

That is why she failed to pass the exam. 那就是她考试不及格的原因。(why 在表语从句中充当原因状语)

注意

“That is why...”是常用句型，意为“这就是……的原因/因此……”，其中why引导的名词性从句在句中作表语，该句型通常用于针对前面已经说明过的原因进行总结，又如：

That is why you see this old woman before you know, Jeanne. 珍妮，这就是现在这个老太婆出现在你面前的原因。(前文提到Jeanne对老妇人显得苍老憔悴深感诧异，说话人对她讲述了其中的原因之后，用这一句来进行概括)。

That is why I came. 这就是我来的原因。

下面是两个与“That is why...”形式相似的结构，它们与“That is why...”结构之间的关系要能够辨析清楚：

(1)“That is why...”与“That is the reason why...”同义，只不过从语法结构上讲，“That is the reason why...”中why 引导的是—个定语从句，将其中的the reason去掉则与“That is why...”结构一样，例如：

That is (the reason) why I cannot agree. 这就是我不能同意的理由。

(2)“That is because...”句型中从属连词because引导的名词性从句在此作表语，这也是个常用句型，意为“这就是为什么……/因为……”。“That is because...”与“That is why...”之间的不同在于“That is because...”指原因或理由，“That is why...”则指由于各种原因所造成的后果，例如：

He did not see the film last night. That is because he had to help his little sister with her homework.昨天晚上他没有去看电影，那是因为他得帮助他的妹妹做作业。(第一句话说明结果，第二句话说明原因)

He had seen the film before. That is why he did not see it last night.他以前曾看过那部电影，因此他昨天晚上没有去看。(第一句话说明原因，第二句话说明结果)

表语从句与宾语从句的关系

宾语从句和表语从句都属于名词性从句。其作用跟名词在句中的作用相同。故充当宾语的句子叫宾语从句，充当表语的句子叫表语从句。

宾语从句

(1)对于宾语从句要掌握以下三点

①语序: 从句的语序必须是陈述句语序, 即“主语 + 谓语”这种形式。

②时态: 当主句是一般现在时或一般将来时的时候, 从句可以是任何时态, 而当主句是一般过去时的时候, 从句, 从句时态必须是过去时范围的时态, 即(一般过去时, 过去进行时, 过去完成时, 过去将来时)。

③连接词: 当从句意思完整, 主句意思肯定时, 连接词用that, 且可以省去, 当从句意思完整, 主句意思不确定或含否定含意时, 常用if或whether(是否), 当从句意思不完整时, 连接词则是代替不完整部分的特殊疑问词。

表语从句

在句子中起表语作用的从句叫做表语从句，位于主句系动词的后面。表语从句的引导词和主语从句的引导词相同。也是名词性从句的一种。

如： What the police want to know is when you entered red the room警察想知道的是你什么时候进的房间。

The trouble is that we are short of funds困难是我们缺乏资金。 This is what we should do这是我们应当做的。

注意：从句中的疑问句用正常语序，即陈述语序。 as if, as though, because也可用来引导表语从句。

She seems as if she had done a great thing她看起来好像做了一件大事。It is because you eat too much是因为你吃得太多了。单项选择

1. The question is ________ we will have our sports meet next week. A. that B. if C. when D. whether

2．The reason why he failed is ________he was too careless. A. because B. that C. for D. because of

3. Go and get your coat. It’ s ________you left it A. where B. there C. there where D. where there 4．The problem is _________to take the place of Ted

A. who can we get

B. what we can get

C. who we can get

D. that we can get

5. What I want to know is ______ he likes the gift given by us. A. that B. if C. whether D.不填

6. The reason is_________ I missed the bus. A. that B. when C. why D. what

7. That is __ ___ we were late last time. A. that B. when C. why D. what

8. She looked _________ she were ten years younger. A. that B. like C. as D. as though

9.—I fell sick!--I think it is _______ you are doing too much. A. why B. when C. what D. because

10. The reason why he hasn’t come is ___________.

A. because his mother is ill

B. because of his mother’s being i ll

C. that his mother is ill

D. for his mother is ill

11. —He was born here.-- That is _______ he likes the place so much. A. that B. what C. why D. how

12.That is ______ Lu Xun once lived. A. what B. where C. that D. why

13．_______your father wants to know is________ getting on with your studies.

A. What; how are you

B. That；how you are

C. How；that you are

D. What；how you are

14. The trouble is__________ we are short of tools. A. what B. that C. how D. why that

15. America was __________was first called “India” by Columbus.

A. what

B. where

C. the place

D. there where

16. China is becoming stronger and stronger. It is no longer_________ .

A. what it used to be

B. what it was used to being

C. what it used to being

D. what it was used to be

17. ________he really means is ________he disagrees with us.

A. What … that

B. That … what

C. What … what

D. That … what

18. The energy is ________ makes the cells able to do their work. A. that B. which C. what D. such

19 —I drove to Zhuhai for the air show last week.—Is that_____ you had a few days off？

A. why B .what C. when D. where

20 .I had neither a raincoat nor an umbrella ____I got wet through.

A. It’s the reason

B. That’s why

C. There’s why

D. It’s how

21. See the flags on top of the building? That was ______ we did this morning. A. when B. which C. where D. what

22. --- Are you still thinking a bout yesterday’s game? ---Oh, that’s _____.

A. what makes me feel excited

B. whatever I feel excited about

C. how I feel about it

D. when I feel excited

23. What surprised me was not what he said but ______ he said it.

A. the way

B. in the way that

C. in the way

D. the way which

句子翻译

1.这就是我想做的 ___________________________________________________________________________________

2.这房子正是他最需要的东西。 _________________________________________________________________________

3. 这就是Henry 怎样解决问题的 ________________________________________________________________________

4.问题是谁能完成这项困难的任务 _______________________________________________________________________

5.今天讨论的话题是未来的学校会是怎样的 ________________________________________________________________

6.他迟到的原因是交通拥堵. _____________________________________________________________________________

7.事实是他对我撒谎了.__________________________________________________________________________________

8. You are saying that everyone should be equal, and this is _____________________________________________ . (disagree)你一直说每个人应该是平等的 这就是我不同意之处。

9.Your coat is still _______________________________________________ . (where) 你的外套仍然在你放的地方。

10.I had neither a raincoat nor an umbrella. That is _________________________________________ through. (get) 我既没有雨衣 也没有雨伞。这就是为什么我全身被淋湿的原因。

11. It sounds ____________________________________________________ the door.(as if) 听起来好像某人正在敲门。

12. It seems ______________________________ interested in Henry. (become) 好像伦敦所有人都变得对亨瑞感兴趣。

13.The last time we had great fun was _____________________________________________________ the Water Park.(visit) 上一次我们玩得很开心的时候是我们正在参观水族公园的时候。

that/what的区别

1．_______your father wants to know is________ getting on with your studies.

A. What; how are you

B. That；how you are

C. How；that you are

D. What；how you are

2. The trouble is__________we are short of tools. A. what B. that C. how D. why that

3. America was __________was first called “India” by Columbus. A. what B. where C. the place D. there where

4. China is becoming stronger and stronger. It is no longer_________ .

A. what it used to be

B. what it was used to being

C. what it used to being

D. what it was used to be

5. ________he really means is ________he disagrees with us.

A. What … that

B. That … what

C. What … what

D. That … what

6. The energy is ________ makes the cells able to do their work. A. that B. which C. what D. such

系动词分类：

一、根据系动词后所跟结构，我们可以把英语系动词分为两大类：完全系动词（其后只能跟表语的动词，如be, seem）和半系动词（其后既可跟表语作系动词用法，也可跟宾语或状语作实义动词用，如look）例如：1） He looked sadly at the boy.(“看着”，实义动词用法) He looks a clever boy .（“看起来”，系动词用法）

2） He looks at a clever boy.（“看着”，实义动词用法）

在英语中，某一动词是多义词，既有实义动词用法，又有系动词用法。

二、根据系动词的意义，我们把英语系动词分为四类：

A．五大感官系动词 B．状态系动词C．动态系动词 D．双谓语系动词 A．五大感官系动词，描述一种感官性质。

由实义感官动词变化而来，都是半系动词。

1．look“看起来像是”，后接adj.、n.、分词、介词短语、不定式等。

The girl bit her lips and looked thoughtful.这位女孩咬着嘴唇，看上去若有所思。

2．smell“闻起来”，后接adj.分词。 The flowers smell sweet. 这些花气味真香。

3．sound“听起来”，后接adj.\分词。 The music sounds sweet.这首诗听起来真悦耳。

4．taste“尝起来”，后接adj.\分词。The apples taste very good. 这些苹果很好吃。

5．Feel ①“摸起来，给……感觉”；②“觉得”，后接adj./p.p.

You will feel better after a night’s sleep. 睡上一晚，你会觉得好些。

B．状态系动词：

1．be，“是”，属完全系动词。 I am a student. 我是一个学生。

2．seem,“似乎，好像”，完全系动词。 They seem quite happy. 他们似乎很快乐。

3．appear,“显得，看起来好像”，半系动词。 It appeared(to be)a true story.看来这是一个真实的故事。

4．keep, “保持……的状态”，半系动词，后接adj或介词短语。 You’d better go to bed and keep warm. 你最好躺在床上去暖和一下。

5．remain,“仍是”，半系动词。 I remained silent. 我仍然缄默。

6．stay“保持（某种状态）”，半系动词，后接adj.、过去分词。 The window stayed open all the night.

7.prove “证明是”，半系动词，后接adj.\n.

The treatment proved to be successful. 这种疗法证明是成功的。

C．动态系动词：都属于半系动词，描述状态变化过程。

1．get“变成，变得……起来”，后可接形容词、分词、介词短语。

The days are getting longer and longer. 白天变得越来越长了。

2．fall“进入（某种状态），成为”，后常接以下形容词： asleep, lame, silent, ill, sick, flat.

The old men, unable to express himself, fell silent. 那位老人说不清自己的意思，就不做声了。

My father fell ill and died. 我的父亲生病死了。 3．grow“渐渐变得……起来，长得”

It’s growing warm. 天气渐渐暖和起来了。

4．turn“转变成（新的与原来完全不同的色彩或性质），变质（色）”。

Maple trees turn red in autumn. 枫叶在秋天变红了。

It was cloudy this morning, but fortunately it has turned fine. 今天早上是阴天，幸好已经转晴了。

5．go，“变成（某种坏的状态）” The telephone has gone dead. 电话不通了。

The material has gone a funny colour. 这料子的颜色变得奇怪了。

go之后常接的adj. 还有：bad, blind, wild, wrong, sour, hard, hungry, mad, red, with, anger, white, pale, blue, grey.

6．become“变成，成为（好坏均可的情况）”

I became interested in drawing. 我开始对素描感兴趣了。 He became angry with me. 他对我生气了。

They became good friends. 他们成了好朋友。

7．come，“变成为（已知的状态），证实为”，后常接形容词或前缀un-的过去分词作表语，表示状态或情况的变化。His wish to become a pilot has come true. 他想当飞行员的愿望实现了。

If you look into the matter, everything will come clear. 如果你调查一下这事，一切都会清楚。

后面常接的形容词还有：apart, dear（昂贵），natural, open, short, right（好了），unstuck（没有粘住），untied（松开）。8．run,“变成”，后接adj. The price ran high. 价格上升了。

9．make，“达到某种状态[后接形容词]，如sure, certain, merry, bold, free

We must make certain of facts.我们一定要弄清事实。

D．双谓语系动词此类系动词既有系动词的功能，后接表语，又保留原实义动词本身的含义。

例如：The run rose red.太阳升起红艳艳。

She stopped and stood quite still.她停下来然后一丝不动地站着。 The snow lay thick on the ground. 雪厚厚地堆积在地上。He married young. 他结婚很早。 Lei Feng died young.雷锋早逝。 He continued silent.他继续沉默不语。

系动词单项选择题

①The story sounds_________________(MET 89) A. to be true B. as true C. being true D. true

②Those oranges taste__________(MET 91) A. good B. well C. to be good D. to be well

③---Are you feeling________? ---Yes, I’m fine now/(NMET92) A. any well B. any better C. quite good D. quite better

④----Can I join the club, Dad.

----You can when you _________a bit older.(NMET 94) A. get B. will get C. get D. will have got

⑤---Do you like the material? ----Yes, it _______very soft.(NMET 94) A. is feeling B. felt C. feels D. is felt

⑥I love to go to the seaside on Summer. It_____ good to lie in the sun or swim in the cool sea.(NMET 96)

A. does

B. feels

C. gets

D. makes

⑦Cleaning women in big cities usually get _______by the hour.(NMET 98) A. pay B. paying C. paid D. to pay

⑧Why don’t you put the meat in the fridge? It will _____ for several days.(NMET2003）

A. be stayed

B. stay

C. be staying

D. have stayed

系动词巩固练习

①What you have said_______.

A．is sounded interesting B sounds interesting C．sound interested D．listens interested

②The class begins. Please keep________. A．silent B．silence C．the silence D．silently

③Look! Several people in the crowd seemed_____. A．to be fighting B．to have fought C．being fought D．having fought

④How _____the song she sings sounds! I have never ______a better voice.

A．beautifully, sounded B．beautiful, sounded C．sweet, listened to D．sweet, heard

⑤Her feeling about the marriage ______rather strange. A．is looked B．is seemed C．seems D．is appeared

⑥The new shirt______ right. A．doesn’t feel B．isn’t felt C．isn’t feeling D．doesn’t touch

⑦How happy it_______ for me to be home again after twenty years abroad! A．gives B．feels C．is felt D．is given

⑧John _____driver since two months ago. A．became a B．has become a C．has turned D．has been a

⑨He _____he felt very _______over the death of the boy.

A．seemed that, sad B．seemed as if, sadly C．looked as though, sad D．looked that, sadness

⑩The ice_____ thick on the river. A．is lain B．lay C．laid D．lie

单项选择答案

1~5: DBACC 6~10 :ACDDC 11~15:CBDBA 16~20: AACAB 21~23: DAA 句子翻译

1.This is what I want to do.

2.The house is what he needs.

3.This is how Henry solved the problem.

4.The question is who can complete the difficult task.

5.The discussion topic for today is what school will be like in the future.

6.The reason why he was late is that the traffic was busy.

7.The fact is that he told a lie to me.

8. where I disagree

9. where you put it

10. why I got wet

11. as if somebody is knocking at

12. as if everyone in London became

13. when we were visiting

that/what的区别

DBAAAC

系动词单项选择题

1.D,

2.A,

3.B,

4.A,

5.C,

6.B,

7.C,

8.B

系动词巩固练习

1——5：BAADC，6——10：ABDCB

表语从句讲解及专项练习

15级计算机班英语 表语从句讲解 概念：表语从句是在复合句中作表语的名词性从句。 放在系动词之后，一般结构是“主语+系动词+表语从句” 可以接表语从句的连系动词有be, look, remai n, seem 等。 ★The trouble is that we are short of mon ey. 困难是我们资金短缺。 ★ That is why stone walls are used in stead of fen ces around NewE ngla nd fields.这就是为什么在新英格兰用石头墙而不用栅栏的原因。 ★At that time, it seemedas if I could n't think of the right word an yhow. 当时,我似乎怎么也想不出一个恰当的字眼来。 引导表语从句的词： 从属连词that、whether、as though、as if （That引导表语从句时，在口语中，间或可以省略。） 关系代词who, what, which, whom,whose, whatever, whoever, whomever, whichever 等； 关系畐【J词when, where, why, how, however, whenever, wherever 等。 探由从属连词that , whether引导的表语从句。 that 在引导表语从句时无词义，而whether有词义，意为、“是否”。这 时主句的主语常常是些抽象名词，如question（问题），trouble（麻烦），problem（问题），result（结果），chance（可能性），suggestion（建议），idea（想法），reason（理由）等。表语从句对主句主语进行说明、解释，使主语的内容具体化。 例如： ★The trouble is （that） she has lost his mon ey. 麻烦的事是他丢了钱。 ★The questi on is whether we n eed more ice cream. 问题是我们是否还需要 一些冰淇淋。 ★The problem was that it was too valuable for everyday use. 问题是它作为日常之用太贵重了。 ★What she couldn ' t understand was that fewer and fewer students showed in terest in her lesso ns. 我们不能理解越来越少的学生对他的课不感兴趣。 探由关系代词引导的表语从句。 关系代词who, what, which, whom,whose, whatever, whoever, whomever, whichever等引导表语从句，在句中作主语、宾语、表语，关系代词不能省略。例如： ★The questi on is which of us should go. 问题是我们哪一个应该去。 ★The problem was who could do the work. 问题是谁能做这项工作。 ★That's what he is worryi ng about. 那就是他在担心的事。 ★That's what we should do. 那是我们应该做的。 ※由关系副词引导的表语从句。 关系副词when, where, how, why 除在句子起连接作用外，在从句中还充 当时间，地点，方式或原因状语，本身具有词义。

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主语常常是些抽象名词，如question(问题)，trouble(麻烦)，problem(问题)，result(结果)，chance(可能性)，suggestion(建议)，idea(想法)，reason(理由)等。表语从句对主句主语进行说明、解释，使主语的内容具体化。 例如： ★ The trouble is (that) she has lost his money. 麻烦的事是他丢了钱。 ★ The question is whether we need more ice cream.问题是我们是否还需要一些冰淇淋。 ★ The problem was that it was too valuable for everyday use.问题是它作为日常之用太贵重了。 ★ What she couldn’t understand was that fewer and fewer students showed interest in her lessons. 我们不能理解越来越少的学生对他的课不感兴趣。 ※ 由关系代词引导的表语从句。 关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever等引导表语从句，在句中作主语、宾语、表语，关系代词不能省略。 例如： ★ The question is which of us should go.问题是我们哪一个应该去。 ★ The problem was who could do the work.问题是谁能做这项工作。

表语从句讲解及专项练习

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Simple sentence Compound sentence Complex sentence 从句：名词性从句（主语从句，宾语从句，表语从句，同位语从句） 形容词性从句(定语从句) 副词性从句（状语从句） 英语中六大从句用法总结 在句子中起名词作用的各种从句，统称为名词性从句 1.主语从句subjective clause 一般由what, who, which, why, how, when, which, whether…or…等引导，如果从句较长，谓语又较短，可用it作形式主语，而将从句放在句末。常见的句型有： It is self-evident that… 很明显的是 It goes without saying that… 不用说 It is asserted that．．．有人主张…… It is believed that．．．据信…… It is generally considered that．．．人们普遍认为…… It is hoped that．．．人们希望…… It is reported that．．．据报道…… It is said that．．．据说…… It is supposed that．．．据推测．．．

It is well-known that．．．众所周知…… It must be admitted that．．．必须承认…… It cannot be denie d that… 不可否认…… It must be pointed out that．．．需指出的是…… It was told that．．．据传…… It will be said that．．．有人会说…… It follows that… 由此可见 It is inappropriate that… ……是不合适的 2)what引导的主语从句表示“...的东西时”，一般不用it作形式主语。 What we lack is experience. 3)what, who, when, why, whether等词含有各自的疑问意义，但它们引导的主语从句，都用陈述语序。 How the plan is to be carried out should be discussed again. I did know why I felt like crying. 2.宾语从句objective clause 1）宾语从句可位于及物动词、介词和某些形容词后。连词that常可省略。介词后一般接疑问词引导的宾语从句。in

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表语从句讲解及专项练习 概念:表语从句是在复合句中作表语的名词性从句。 放在系动词之后,一般结构是“主语+系动词+表语从句” 可以接表语从句的连系动词有be, look, remain, seem等。 ★ The trouble is that we are short of money.困难是我们资金短缺。 ★ That is why stone walls are used instead of fences around New England fields.这就是为什么在新英格兰用石头墙而不用栅栏的原因。 ★ At that time, it seemed as if I couldn't think of the right word anyhow.当时,我似乎怎么也想不出一个恰当的字眼来。 引导表语从句的词: 从属连词that、whether、as though、as if(That引导表语从句时,在口语中,间或可以省略。) 关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever等; 关系副词when, where, why, how, however, whenever, wherever等。 ※由从属连词that,whether引导的表语从句。 that在引导表语从句时无词义,而whether有词义,意为、“是否”。这时主 句的主语常常是些抽象名词,如question(问题),trouble(麻烦),problem(问 题),result(结果),chance(可能性), suggestion(建议),idea(想法),reason(理由)等。表语从句对主句主语进行说明、解释,使主语的内容具体化。

高中英语语法表语从句详解

高中英语表语从句详解 1、概述 用作表语的从句叫作表语从句，它位于主句中的连系动词之后。引导表语从句的词有从属连词that、whether、as though(if)；关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever等；关系副词when, where, why, how, however, whenever, wherever等。可以接表语从句的连系动词由be, look, remain, seem等。That引导表语从句时，在口语中，间或可以省略。 The trouble is that we are short of money.困难是我们资金短缺。 That is why stone walls are used instead of fences around New England fields.这就是为什么在新英格兰用石头墙而不用栅栏的原因。 At that time, it seemed as if I couldn't think of the right word anyhow.当时,我似乎怎么也想不出一个恰当的字眼来。 2、由从属连词that，whether引导的表语从句。 that在引导表语从句时无词义，而whether有词义，意为、“是否”。这时主句的主语常常是些抽象名词，如question(问题)，trouble(麻烦)，problem(问题)，result(结果)，chance(可能性)，suggestion(建议)，idea(想法)，reason(理由)等。表语从句对主句主语进行说明、解释，使主语的内容具体化。 The trouble is (that) she has lost his money. 麻烦的事是他丢了钱。 The question is whether we need more ice cream.问题是我们是否还需要一些冰淇淋。

表语从句讲解

一．定义： 表语从句就是用一个句子作为表语。位于系动词之后，说明主语身份，特征，属性或状态。比较： The problem is puzzling. 主语连系动词形容词作表语 The problem is when we can get a pay rise. 主语连系动词一个句子作表语---表语从句 二、系动词的分类（了解哪些词为系动词） 系动词有表示状态的；有表示状态变化的。 表示状态的有： 1）be, seem ,appear 等。 2）look ,sound ,feel ,taste ,smell 等，由感官动词变化而来。意思为“看（听、摸、尝、闻）起来”。 Mr. Li looks quite young. 李先生看起来很年轻。 3）stand ,keep ,prove ,remain 等由不及物动词转化而来。 The machine has been standing idle. 这台机器一直闲着不用。 2.表示状态变化的： become ,get ,grow, fall, turn等 He has fallen ill. 他已经病倒了。 三连接表语从句与主句的关系词主要有三类：

1. 从属连词：that（无有词义）, whether（是否,if （是否） 2. 关系代词：who（谁，主格）, whom（谁，宾格）,whose谁的，所有格）, what（什么）,which（哪个，哪些） 3. 关系副词：when（什么时候）where（什么地方）why（为什么）, how（怎样）例如： The fact is that we have lost the game. 事实是我们已经输了这场比赛。 That’s just what I want. 这正是我想要的。 This is where our problem lies. 这就是我们的问题所在。 That is why he didn’t come to the meeting.那就是他为什么不到会的原因。 It looks as if it is going to rain. 看上去天要下雨了。 It is because you eat too much那是因为你吃得太多了。 The reason why he was late was that he missed the train by one minute this morning （当主语是reason时，表语从句要用that引导而不是because） 另外，与其他名词从句有所不同的是as, as if/though, because也可用来引导表语从句.如： He looked just as he had looked ten years before.他看起来还与十年前一样。 She seems as if she had done a great thing.她看起来好像做了一件大事。 It is because you eat too much.那是因为你吃得太多了。 【注意】because可引导表语从句，但与之同义的since, as, for等也不用于引导表语从句。

表语从句详解教学内容

表语从句详解

表语从句详解 一、概念 表语从句是在复合句中作表语的名词性从句.放在系动词之后,一般结构是主语+系动词+表语从句可以接表语从句的连系动词有be, look, remain, seem等. 可以接表语从句的系动词有： 1.be（being,been,am,is,are,was,were) 2. feel , seem , look, appear ,sound, taste , smell 3. stand , lie , remain ,keep, stay 4. become ,get , grow , turn ,go ,come, run, fall 5. prove, turn out The trouble is that we are short of money.困难是我们资金短缺. That is why stone walls are used instead of fences around New England fields.这就是为什么在新英格兰用石头墙而不用栅栏的原因. At that time, it seemed as if I couldn't think of the right word anyhow.当时,我似乎怎么也想不出一个恰当的字眼来. 引导表语从句的词： 从属连词that、whether、as though、 as if（That引导表语从句时，在口语中，间或可以省略.） 关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever等； 关系副词when, where, why, how, however, whenever, wherever等. 由从属连词that，whether引导的表语从句. that在引导表语从句时无词义，而whether有词义，意为、是否.这时主句的主语常常是些抽象名词，如question(问题)，trouble(麻烦)，problem(问题)，result(结果)，chance(可能性)，suggestion(建议)，idea(想法)，reason(理由)等.表语从句对主句主语进行说明、解释，使主语的内容具体化.例如： The trouble is (that) she has lost his money. 麻烦的事是他丢了钱. The question is whether we need more ice cream.问题是我们是否还需要一些冰淇淋. The problem was that it was too valuable for everyday use.问题是它作为日常之用太贵重了. What she couldn’t understand was that fewer and fewer students showed interest in her lessons. 我们不能理解越来越少的学生对他的课不感兴趣. 由关系代词引导的表语从句.

表语从句详解

表语从句详解 一、概念 表语从句是在复合句中作表语的名词性从句.放在系动词之后,一般结构是主语+系动词+表语从句可以接表语从句的连系动词有be, look, remain, seem等. 可以接表语从句的系动词有： （being,been,am,is,are,was,were) 2. feel , seem , look, appear ,sound, taste , smell 3. stand , lie , remain ,keep, stay 4. become ,get , grow , turn ,go ,come, run, fall 5. prove, turn out The trouble is that we are short of money.困难是我们资金短缺. That is why stone walls are used instead of fences around New England fields.这就是为什么在新英格兰用石头墙而不用栅栏的原因. At that time, it seemed as if I couldn't think of the right word anyhow.当时,我似乎怎么也想不出一个恰当的字眼来. 引导表语从句的词： 从属连词that、whether、as though、 as if（That引导表语从句时，在口语中，间或可以省略.） 关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever 等；

关系副词when, where, why, how, however, whenever, wherever等. 由从属连词that，whether引导的表语从句. that在引导表语从句时无词义，而whether有词义，意为、是否.这时主句的主语常常是些抽象名词，如question(问题)，trouble(麻烦)，problem(问题)，result(结果)，chance(可能性)，suggestion(建议)，idea(想法)，reason(理由)等.表语从句对主句主语进行说明、解释，使主语的内容具体化.例如： The trouble is (that) she has lost his money. 麻烦的事是他丢了钱. The question is whether we need more ice cream.问题是我们是否还需要一些冰淇淋. The problem was that it was too valuable for everyday use.问题是它作为日常之用太贵重了. What she couldn’t understand was that fewer and fewer students showed interest in her lessons. 我们不能理解越来越少的学生对他的课不感兴趣. 由关系代词引导的表语从句. 关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever 等引导表语从句，在句中作主语、宾语、表语，关系代词不能省略.例如：The question is which of us should go.问题是我们哪一个应该去. The problem was who could do the work.问题是谁能做这项工作. That's what he is worrying about.那就是他在担心的事.That's what we should do.那是我们应该做的. 由关系副词引导的表语从句. 关系副词 when, where, how, why 除在句子起连接作用外，在从句中还充当时间，地点，方式或原因状语，本身具有词义.例如：Go and get your coat. It's where you left

(完整word版)高中英语名词性从句讲解

名词性从句讲解 在复合句中起名词作用的从句叫做名词性从句。它包括主语从句、宾语从句、表语从句和同位语从句。名词性从句是中学阶段的一个重要语法项目，在历年的高考中几乎都涉及到，并且每年的命题各有变化。分析历届高考试题名词性从句考查的焦点主要有以下六个方面 1. 考查名词性从句的语序问题 2. 考查引导词that与what的区别 3. 考查it在名词性从句中作形式主语或形式宾语的用法 4. 考查whether与if的区别 5. 考查名词性从句中的疑问词+ever引导的名词性从句与no matter+疑问词引导的状语从句的区别 6. 考查名词性从句的虚拟语气问题 语法要点剖析 一、名词性从句 主语从句、表语从句、宾语从句、同位语从句，在整个句子中所起的作用，相当于一个名词。因此，这四种从句通称为名词性从句。 引导名词性从句的连接词可分为三类： 连接词：that, whether, if （不充当从句的任何成分） 连接代词：what, whatever, who, whoever, whom, whose, which. 连接副词：when, where, how, why 1. 主语从句 作句子主语的从句叫主语从句。主语从句通常由从属连词that，whether，if和连接代词what，who，which，whatever，whoever以及连接副词how，when，where，why等词引导。that在句中无词义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。例如： What he wants to tell us is not clear. 他要跟我们说什么，还不清楚。 It is known to us how he became a writer. 我们都知道他是如何成为一名作家的。 Where the English evening will be held has not yet been announced. 英语晚会将在哪里举行，还没有宣布。 有时为避免句子头重脚轻，常用形式主语it代替主语从句作形式主语放于句首，而把主语从句置于句末。主语从句后的谓语动词一般用单数形式。常用句型如下： （1）It + be + 名词 + that从句（2）It + be + 形容词 + that从句 （3）It + be + 动词的过去分词 + that从句（4）It + 不及物动词 + that 从句另注意在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时，谓语动词要用虚拟语气“(should) +do”，常用的句型有： It is necessary (important, natural, strange, etc.) that … It is a pity (a shame, no wonder, etc.) that… It is suggested (requested, propose d, desired, etc.) that… 2. 宾语从句 名词句用作宾语的从句叫宾语从句。引导宾语从句的关联词与引导主语从句表语从句的关联词大致一样，在句中可以作谓语动词或介词及非谓语动词的宾语。 1. 由连接词that引导的宾语从句 由连接词that引导宾语从句时，that在句中不担任任何成分，在口语或非正式的文体中常被省去，但如从句是并列句时,第二个分句前的that不可省。例如： He has told me that he will go to Shanghai tomorrow. 他已经告诉我他明天要去上海。 We must never think (that) we are good in everything while others are good in nothing. 我们决不能认为自己什么都好，别人什么都不好。 注意：在demand、order、suggest、decide、insist, desire, demand, request, command等表示要求、命令、建议、决定等意义的动词后，宾语从句常用“（should）+ 动词原形”。例如： I insist that she (should) do her work alone. 我坚持要她自己工作。