1、名词性从句在句子中起名词作用的句子叫名词从句 (Noun Clauses）。 名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。引导名词性从句的连词：that, what, which, who, whom, whose, if , whether, when, where, why, how, how many, how long, how far, whatever, whenever, wherever, however, 主语从句：What you sai
2、d sounds reasonable. 表语从句：This is what I was asked to do.宾语从句：Nobody knows who broke the glass.同位语从句：The idea that well go out for a picnic is great 名词性从句应注意事项：1、 从句的语序为陈述句;2、 连词 that 不充当任何成分（一）, 主语从句1, 由 what 等代词引导的从句,表示”所的( 东西)”,实际上等于一个先行词加上一个定语从句.也可以由-ever 等代词引导.What they are talking about is not
3、hing valuable.What I really want is to have a good rest.Whatever she did is wrong.Whoever passes the exam can get 50 yuan.Whoever used to have another name raise your hand.2, 由 that 引导的从句,通常用形式主语来代替.That he has disappeared worries his parents.It worries his parents that he has disappeared.It is not
4、likely that he can win the lottery.It is a big surprise that he is still alive.3, 由连接代词或连接副词或 whether 引导的从句.When she will be back is still a question.Where they had put the files troubled the spy.Whether he will take part in the play is clear.Whether or not she will go to Japan is up to her.比较：wheth
5、er 与 if 均为“是否“的意思。 但在下列情况下，whether 不能被 if 取代：1. whether 引导主语从句 2. 引导表语从句 3. 从句作介词宾语 4. 从句后有“or not“（二）, 宾语从句Please show me how I can learn English well.I dont know who did all the cleaning.Have you decided whom you will take to Australia?I am wondering whether/if the dress is too short.He advised me
6、 which books I should read.I will tell you what I know.Well give whatever help you need. The singer still worries about where to live.The price depends on how many you will buy.I dont think you can beat me.(否定前移)有时在宾语和谓语之间可以插入一个间接宾语或状语.She reminded me that I had a meeting to attend.They explained to
7、 us that they didnt mean to make us angry.带有复合宾语的句子中, that 引起的从句常常移到后面, 前面用一个 it 作为形式宾语.I thought it very impossible that she would come.They took it for granted that the singer was coming.（三）, 表语从句是接在系动词后面的宾语从句.（四）, 同位语从句, 在 idea, fact rumor, news, hope, belief, thought, doubt 等等词后面, 常用that 或连接代词或副
8、词引导从句.I had no idea where he has gone.He left me a message that he would buy me a ticket to the rock concert.The news that we will have a one-month vacation is not true.练习:分析下面的句子： 1. That the earth goes around the sun is well-known to everybody. 2. Whether he will come to the meeting is up to his b
9、oss. 3. We can learn what we do not know from TV programs. 4. China is not what it used to be. 5. The doctors dilemma is whether he should tell a lie to the patient. 6. Your success will depend on how you present yourself. 7. The news that our football team at last defeated Korea made the fans wild
10、with joy. 8. The news that made the fans wild with joy was from the radio. 9. There is much evidence that the crime rate in this city is on the rise.练习：1. _ he said at the meeting astonished everybody present.A. What B. That C. The fact D. The matter2. _ we cant get seems better than _ we have.A. Wh
11、at, what B. What, that C. That, that D. That, what3.It worried her a bit _ her hair was turning gray.A .while B. that C. if D. for4.-Do you remember _ he came? -Yes, I do, he came by car.A. how B. when C. that D. if5.Go and get your coat. Its _ you left it.A. there B. where C. there where D. where t
12、here6.It is generally considered unwise to give a child _ he or she wants.A. however B. whatever C. whichever D. whenever7.Can you tell me _ ?A. who is that woman B. who the woman is C. whom is the woman D. that woman is8.The fact _ she works hard is well known to us all.A. that B. what C. why D. wh
13、ich9.The mountain is no longer _ it used to be.A. which B. that C. as D. what10. _ I accept the gift or refuse it is none of your business.A. If B. Whether C. Even if D. No matter when11. I dont doubt_ my friend, John will come to China soon.A. that B. whether C. if D. when12.The question is _ you s
14、hould do next.A. what B. that C. how D. why13.Does _matter if he cant finish the job in time?A. it B. this C. that D. he14.I know nothing about her but _ she is from Canada.A. how B. when C. that D. why15.It depends on _ we have enough time.A. if B. if or not C. that D. whether16._ he doesnt like th
15、em is very clear.A. What B. That C. Which D. Where17. His suggestion _ to see the art exhibition interested every one of us.A. that we go B. which we should go C. that we would go D. when we should go18.Please give the book to _ wins the first prize.A. who B. whom C. whoever D. whomever19._ proves t
16、hat my advice is right.A. It will happen that B. That has happened C. What has happened D. When it happens20.What a pity _ is _ you didnt arrive by day.A. there; because B. it; that C. he; when D. that; for21.-I believe _youve done your best and _ things will happen. -Thank you.A. That; / B./; / C.
17、what; that D./; that22.The reason _ nothing on the earth is motionless is _ the earth is in constant motion.A. why; that B. that; why C. of; that D. that; because23.The fire destroyed _ was in the building.A. all B. what C. that D. which24.The question he asked was _the electrical equipment should b
18、e stored.A. what B. which C. where D. because25. The fact _ he is an advanced worker is well known.A. what B. which C. that D. why26. A mans worth lies not so much in _ he has as in _ he is.A. that; what B. what; what C. that; that D. what; that 27. It is strange _.A. that no one should like this bo
19、ok B. that no one liked this bookC. that why no one likes this book D. why no one likes this book 28. Do _ you think is right _ difficulties you may have.A. what/however B. that/what C. whatever/whoever D. what/whatever29. You are saying that everyone should be equal, and this is _ I disagree. （04 全
20、国 I）A why B where C what D how30._ is unknown to us all.A. Where did he get it B. Where he got it C. That where he got D. Which he got it 31. I wonder _ to come here and get my false teeth fixed.A.I have how many times B. how many times have IC. how many times will I have D. how many times I have32.
21、_ _ they have won the game made us excited.A./ B. That C. What D. Where33. Danby left word with my secretary _he would call again in the afternoon. Awho Bthat Cas Dwhich34.You can write about _ topic you like.A. which B. whose C. whatever D. no matter what 35.You may choose one from _ was left.A. th
22、at B. all C. those that D. what36. _ that there is another good harvest this year.A. It says B. It is said C. It was said D. He was said37. _ certain that his invention will lead to the development of production.A. Thats B. This is C. Its D. Whats38.No one can be sure _ in a million years.A. what ma
23、n will look like B. what will man look likeC. man will look like what D. what look will man like 39. She looked _ she were ten years younger.A. that B. like C. as D. as though40. It is suggested that the experiment _ under low temperature.A. makes B. is make C. should be made D. will be made KEYS:1-5 AABAB 6-10 BBADB 11-15 AAACD 16-20 BACCB 21-25 DABCC26-30 BADBB 31-35 DBBCD 36-40 BCADC
