高中名词性从句讲解及练习.doc

高中名词性从句讲解及练习
名词性从句
名词性从句相当于名词，可分别作主句的主语、表语、宾语和同位语。因此，名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。
（一）引导名词性从句的连接词
1、连接代词：who, whose, whom, what, which。有词义，在从句中担任成分，如主语、表语、宾语、或定语等。
2、连接副词：when, where, why, how。有词义，在从句中担任成分，作状语。
3、连接词：that, whether, if, as if。that 无词义，在从句中不担任成分，有时可省略；if (whether), as if虽有词义，但在从句中不担任成分。
注意：连接代词及连接副词在句中不再是疑问句，因而从句中谓语不用疑问式。连接代词及连接副词在从句充当句子成分，连接词whether 和if（是否），as if（好象）在从句中不充当句子成分，只起连接作用。根据句义，如果连接代词及连接副词，whether、if 和as if都用不上时，才用that作连接词（that本身无任何含义）。
（二）主语从句
1、主语从句在复合句作主语。
e.g. Who will go is not important.
2、用it作形式主语，主语从句放在句末。
e.g. It doesn’t matter so much whether you will come or not.
3、that引导主语从句时，不能省略。
e.g. That he suddenly fell ill last week made us surprised.
（三）表语从句
1、表语从句在复合句中作表语，位于系动词之后。
e.g. The question was who could go there.
2、引导表语从句的连接词that有时可省去。
e.g. My idea is (that) we can get more comrades to help in the work.
（四）宾语从句
1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。
e.g. I hope (that) everything is all right.
2、介词之后的宾语从句，不可用which或if连接，要分别用what或 whether。
e.g. I’m interested in whether you’ve finished the work..
I’m interested in what you’ve said.
3、whether及if都可以引导宾语从句，常可互换。但下面情况不能互换。
①宾语从句是否定句时，只用if，不用whether。
e.g. I wonder if it doesn’t rain.
②用if 会引起误解，就要用whether。
e.g. Please let me know whether you want to go.（此句如果把whether改成if，容易当成条件句理解）
③宾语从句中的whether 及or not直接连用，就不能换成if；不直接连用，可换。
e.g. I don’t know whether or not the report is true.
I don’t know whether/ if the report is true or not.
④介词后的宾语从句要用whether引导。whether 可及不定式连用。whether也可引导主语从句、表语从句、同位语从句，还可引导让步状语从句，以上均不能换成if。但引导条件从句时，只能用if，而不能用whether。
e.g. It depends on whether we have enough time.
They don’t know whether to go there.
Please come to see me if you have time.
（五）同位语从句
同位语从句在句中作某一名词的同位语，一般位于该名词（如：news, fact, idea, suggestion, promise等）之后，说明该名词的具体内容。
e.g. I have no idea when he will be back.
The fact that he had not said anything surprised everybody.

练习：名词性从句
一、判断下列各句哪句含有名词性从句，并指出是什么从句：
1. China is no longer what it used to be.
2. The truth that the earth turn around the sun is known to all.
3. It was snowing when he arrived at the station.
4. How he persuaded the manager to change the plan is interesting to us all.
5. The news that they had won the game soon spread over the whole school.
6. The news that you told me yesterday was really disappointing.
7. That is where Lu Xun used to live.
8. He spoke as if he understood what he was talking about.
9. Do you remember the teacher who taught us English at middle school?
10. I wonder why she refused my invitation.
二、用适当的连词填空：
1. I can’t decide ____________ dictionary I should buy.
2. That’s ____________ he refused my invitation.
3. I am very interested in ____________ he has improved his pronunciation in such a short time.
4. ____________ we need is more time.
5. The fact ____________ she had not said anything at the meeting surprised everybody.
6. ____________ and ____________ they will meet has not been decided yet.
7. Please tell me ____________ you are waiting for.
8. Is that ____________ you are looking for?
9. Would you please tell me ____________ the nearest post office is?
10. I don’t know ____________ he will agree to the plan or not.
三、选择填空：
1. Do you see _____ I mean?
A. that B./ C. how D. what
2. Tell me_____ is on your mind.
A. that B. what C. which D. why
3. We must stick to _____ we have agreed on.
A. what B. that C. / D. how
4. Let me see _____.
A. that can I repair the radio B. whether -I can repair the radio
C. I can repair the radio D. whether can I repair the radio
5. Keep in mind _____.
A. that the teacher said B. what did the teacher say
C. that did the teacher say D. what the teacher said
6. Could you advise me _____?
A. which book should I read first B. what book should I read first
C. that book 1 should read first D. which book I should read first
7. He was criticized for _____.
A. he had done it B. what he had done C. what had he done D. that he had done it
8. Would you kindly tell me _____?
A. how can I get to the Beijing Railway Station
B. how I can get to the Beijing Railway Station
C. where can I get to the Beijing Railway Station
D. whether can I get to the Beijing Railway Station
9. Mrs. Smith was very much impressed by _____.
A. what had she seen in China B. that she had seen in China
C. what she had seen in China D. which had she seen in China
10. We took it for granted ___
A. that they were not coming B. that were they not coming
C. they were coming not D. were they not coining
11. I really don't know _____
A. I should do next B. what should I do next
C. what I should do next D. how I should do next
12. I'm afraid _____.
A. the little girl will have to be operated on
B. that will the little girl have to operate on
C. the little girl will have to operate on
D. that will the little girl have to be operated on
13. She walked up to _____ .
A. where did I stand B. where I stood
C. I stood there D. where I stood there
14. Can you tell me _____?
A. who is that gentleman B. that gentleman is who
C. who that gentleman is D. whom .is that gentleman
15. We'll give you _____.
A. that do you need B. what do you need
C. whatever you need D. whether do you need
16. They want us to know _____ to help us.
A. what can they B. what they can C. how they can D. how can they
17. We must put _____ into practice.
A. what we have learned B. that we have learned
C. that have we learned D. what have we learned
18. Did she say anything about _____?
A. that the work was to be done B. how was the work to be done
C. that was the work to be done D. how the work was to be done
19. He was never satisfied with _____.
A. what she had achieved B. had what she achieved
C. she had achieved D. that she achieved
20. These photographs will show you _____.
A. what does our village look like B. what our village looks like
C. how does our village look like D. how our village looks like
21. Peter insisted _____ he pay the bill.
A. on that B. what C. that D. on which
22. They urged _____ the library open during the vacation.
A. when B. where C. why D. that
23. We wish we could have learned _____ when we were at high school.
A. what you did B. that you had done
C. that what you did D. what did you do
24.1 will describe to you _____ I saw when there.
A. what B. that C. which D./
25. From _____ I should say he is a good worker.
A. what 1 know of him B. that I do know of him
C. what do I know of him D. that do I know of him
26. I will give this dictionary to __ wants to have it.
A. whomever B. anyone C. whoever D. someone
27._____ they will come here hasn' t been decided yet.
A. What B. That C. When D. Where
28. _____ was said here must be kept secret.
A. Who B. The thing C. Whatever D. Where
29. It is still a question _____ we shall have our sports meet.
A. if B. that C. what D. when
30. I'm going anyway. _____ she will go is up to her to decide.
A. If or not B. Whether or not C. If D. That
31. It is strange _____ she have left without saying a word.
A. that B. what C. why D. how
32. It is very clear _____ our policy is a correct one.
A. what B. that C. why D. where
33. _____ Mr Zhang said is quite right.
A. That B. When C. What D. Whether
34. It has been decided _____ he will be sent there.
A. if B. whether C. why D. that
35. It doesn' t matter _____he' s come back or not.
A. if B. whether C. that D. when
36. It's a great pity _____ we won’t be able to finish the task on time.
A. when B. that C. why D. where
37. It happened _____ I wasn't there that day.
A. when B. why C. where D. that
38._____ you have done might do harm to other people.
A. What B. That C. Which D. The things
39. _____ leaves the room last ought to turn oft the lights.
A. Anyone B. The person C. Whoever D.Who
40._____ the 2000 Olympic Games won't be held in Beijing is known to all.
A. Whether B. If C. Whenever D. That
41. _____ fails to see this will make a big mistake.
A. That B. Whoever C. Whether D. Whether or not
42. __ we need more equipment is quite obvious.
A. What B. Whether C. That D. Whatever
43. Has it been announced _____?
A. when are the planes to take off B. that are the planes to take off
C. where are the planes to take off D. when the planes are to take off
44. That is _____ we all support his idea.
A. what B. why C. where D. when
45. That’s _____ we should do.
A. that B. what C. how D. why
46. _____ is troubling me is _____ I don’t understand _____ he said
A. What; that; what B. What; what; what
C. That; that; what D. Why; that; which
47. Things were not _____ they seemed to be.
A. when B. why C. that D. what
48. That’s _____ I want to say.
A. all what B. what C. all which D. what that
49. That’s _____ .
A. where our differences lie B. our differences lie there
C. where do our differences lie D. that where our differences lie
50. That is _____ .
A. where lived he there B. where did he live
C. where he lived D. that where he lived
51. The questions is _____.
A. whether is it worth doing B. that if it is worth doing
C. whether it is worth doing D. if it is worth doing
52. Water will continue to be _____ it is today next in importance to oxygen.
A. how B. which C. what D. as
53. That's_____.
A. how did I become a teacher B. how I became a teacher
C. how a teacher I became D. that I became a teacher
54. They are just _____.
A. that what shall I have B. what shall I have
C. that I shall have what D. what I shall have
55. It looked ____.
A. as if it was going to rain B. that as if it was going to rain
C. as if was it going to rain D. as if that it was going to rain
56. That's_____.
A. how she did it B. that how did she do it.
C. how did she do it D. what she did it
57. That is _____ we decided to put the discussion off.
A. where B. which C. that D. why
58. That’s _____ I lived when I was ten years old.
A. where B. at which C. there where D. when
59. My suggestion is _____ we should send a few comrades to help them.
A. if B. that C. when that D. that where
60. The idea _____ all people are selfish is wrong.
A. what B. that C. why D. if
61. We heard the news _____ our team had won.
A. that B. what C. whether D. why
62. The fact _____ he hadn’t said anything surprised us all.
A. why B. if C. that D. whether
63.I have no idea _____ she will be back.
A. that B. where C. that when D. when
64. We must keep in mind the fact _____ China is still a developing country.
A. whether B. that C. why D. when
65. They have no idea at all _____.
A. where he has gone B. where did he go
C. where has he gone D. which place he has gone

参考答案
语法复习五：名词性从句
一、1、表语从句；2、同位语从句；3、不是；4、主语从句；5、同位语从句；6、不是；7、表语从句；8、宾语从句；9、不是；10、宾语从句
二、1. which; 2. why; 3. how; 4. What; 5. that; 6. when, where; 7. who(m); 8. what; 9. where; 10. whether
三、1~5 DBABD 6~10 DBBCA 11~15 CABCC 16~20 BADAB 21~25 CDAAA
26~30 CCCDB 31~35 ABCDB 36~40 BDACD 41~45 BCDBB 46~50 ADBAC
51~55 CCBDA 56~60 ADABB 61~65 ACDBA
在主从复合句中，从句可以充当主句的主语、表语、宾语或同位语。由于在多数情况下，主语、表语、宾
语或同位语这四种句子成分由名词性词类充当，所以，我们把这些作用相当于名词的从句统称为名词性从句，把充当主语、表语、宾语或同位语的从句分别称为主语从句、表语从句、宾语从句或同位语从句。也
就是说充当什么成分就叫什么从句。名词性从句由连接词（或关联词）引导。常用的连接词有
连接词
作用
whether 是否
that (本身无词义)
只起连接词作用，引导从句，在从句中不作任何成分
who, whom, whose
which 哪一个
what 什么，所…的
在从句中分别作主语、宾语和定语
在从句中分别作主语、宾语和定语
在从句中分别作主语、宾语和定语
when什么时候，where什么地方
how怎样、怎么，why为什么
除了起连接词作用外，还在从句中作状语
疑问词（who, whom, whose, what, which, where, why, when, how）可以引导主语、宾语和表语从句。它们的特点是：1、疑问词有本身的词义；2、疑问词在从句中担当句子成分，如主语、宾语或状语；3、这种疑问词引导的从句一律用陈述语序，不能用疑问语序。
Do you know whom they are looking for? 你知道他们在找谁吗？（宾语从句，陈述语序。不能是whom are they looking for?）
I don’t know who did it.我不知道这是谁干的。（宾语从句。在从句中如果疑问词作主语，其陈述语序和疑问语序一致。）
She asked me where I had been.她问我到哪儿去了。（宾语从句。陈述语序，不能是where had I been. 直接引语，间接引语。注意这句话的时态。）
Can you tell me when the train will arrive? 你能告诉我火车什么时候到吗？(宾语从句。陈述语序，不能是when will the train arrive. 直接引语，间接引语)
I don’t know why he hasn’t come yet. 我不知道他为什么还没来。（宾语从句，陈述语序。不能是why hasn’t he come yet）
He didn’t tell me what you were doing. 他没和我说你在干什么。（宾语从句，陈述语序。不能是what were you doing.
What you have done might do harm t other people. 你所做过的事情有可能伤害别人。（主语从句。what 作从句的宾语。陈述语序，不能是what have you done. 如果用疑问语序，意思发生了变化，成了“你做了什么？”。）
I don’t know where he is now. 我不知道他现在在哪里。（宾语从句，陈述语序。不能是where is he now. ）Where he went for his weekend is not known. 不知道他去哪里过的周末。（主语从句，where 作从句的地点状语。陈述语序，不能是where did he go for his weekend.）
Whose fault this is is not important. 这是谁的过错并不重要。（主语从句，whose 作从句的定语。陈述语序，不能是whose fault is this.）
What I want to know is where he has gone for his weekend. 我想知道的是他到哪里度周末去了。（这句话包含两个名词性从句：what I want to know是主语从句，what 在从句中作宾语，从句用陈述语序，不能是What do I want to know. Where he has gone for his weekend 是表语从句，where 在从句中作状语，从句用陈述语序，不能是where has he gone for his weekend.）
下面我们再分别讲述主语从句、宾语从句、同位语从句和表语从句。
一、           主语从句
1．that 引导主语从句时，that 没有意义，但不能省略。（that 引导宾语从句时可以省略。）
It worried her a bit that her hair was turning gray.她的头发正在变白，这使她很不安。that引导主语从句，it 作形式主语，that 不能省略。
That she is a rich woman is known to us all. 众所周知，她是个富有的女人。这是that 引导主语从句，that不能省略。这句话可以改为用it 作形式主语的句型。请同学们改写：It is known to us all that she is a rich woman.
We didn’t know (that) you had sold your house. 我们不知道你已经把你的房子卖了。这是that引导宾语从句，that 可以省略。注意这句话的时态。
2．从句作主语时，多数情况下由 it 作形式主语，而把主语从句放在后面，尤其是谓语部分（包括宾语）较短的情况下。It wasn’t very clear what she meant. 不清楚她是什么意思。
It is important that he should come on time. 他按时来是很重要的
It is true that that man on the left is a well-known writer here. 左边那个人是本地的一位著名作家，这是真的。这里，第一个that 引导主语从句，是单纯的连词，无词义，不作句子成分。第二个that 是指示代词，作句子成分，是man 的定语。
3．whether 既可以引导主语从句也可以引导宾语从句，但if不能引导主语从句。whether 后面可以加or not而if 不能及or not 连用。作介词宾语时不用if.如：
Whether I knew John doesn’t matter. = It doesn’t matter whether I knew John. 我是否认识约翰没有关系
Whether or not she’ll come isn’t clear. = Whether she’ll come or not isn’t clear. = It isn’t clear whether——她是否来还不清楚
It all depends on whether we can get their cooperation. 这是主语从句还是宾语从句？it 是形式主语吗？it 是代词，whether 引导的是宾语从句，作介词on 的宾语，不能用if引导。请翻译这句话。这完全取决于我们是否能得到他们的合作
I worry about whether I hurt her feelings. 宾语从句，介词宾语，不能用if 引导。请翻译这句话。
She asked me whether/if you were married. 宾语从句，既可以用whether, 又可以用if 引导。注意时态的对应。
It remains to be seen whether the ex-president will be sentenced to death这位前总统是否会被判处死刑还有待观察
It is a pity that Prof. Wang can’t attend our English Evening  真可惜，王教授不能出席我们的英语晚会
二   宾语从句
在谓语动词、介词、动词不定式、分词、动名词之后都可以带有宾语从句。某些形容词如sure, happy, glad，certain, pleased 等之后也可以带有宾语从句
1，   that 引导的宾语从句: that 没有意义，在口语或非正式文体中常省略
I really feel she’s making a mistak