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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。 ★ 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, question(问题), 如 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 来。就在你原来放的地方。 ★ I had neither a raincoat nor an umbrella. That’s why where you left it. 去把雨衣拿

I got 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。 ★ 了。 ★ That's because we never thought of it.这是因为我们从未 It looked as if it was going to snow.看起来好像要下雪

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) 表语测试 1. The question is ________ we will have our sports meet next week. A. that whether 2.The reason why he failed is ________he was too careless. A. because because of 3. Go and get your coat. It’ s ________you left it A. where there 4.The problem is _________to take the place of Ted B. there C. there where D. where B. that C. for D. B. if C. when D.

A. who can we get C. who we can get

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

10. The reason why he hasn’t come is ___________. A. because his mother is ill mother’s being ill C. that his mother is ill ill 11. —He was born here. -- That is _______ he likes the place so much. A. that how B. what C. why D. D. for his mother is B. because of his

12.That is ______ Lu Xun once lived. A. what why 13._______your father wants to know is________ getting on with your studies. A. What; how are you C. How;that you are B. That;how you are D. What;how you are B. where C. that D.

14. The trouble is__________ we are short of tools. A. what that 15. America was __________was first called “ India ” by Columbus. A. what B. where C. the place D. there where It is no B. that C. how D. why

16. China is becoming stronger and stronger. longer_________ . A. what it used to be C. what it used to being

B. what it was used to being D. what it was used to be

17. ________he really means is ________he disagrees with us. A. What … that C. What … what B. That … 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 ____I got wet

20 .I had neither a raincoat nor an umbrella through.

A. It’s the reason B. That’s why C. There’s why s how

D. It’

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 about yesterday’s game? ---Oh, that’s _____. A. what makes me feel excited about C. how I feel about it D. when I feel excited B. whatever I feel excited

23. What surprised me was not what he said but ______ he said it. A. the way which 答案 1~5: DBACC 6~10 :ACDDC B. in the way that C. in the way D. the way

11~15:CBDBA 16~20: AACAB 21~23: DAA


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