1、新人教版选择性必修二Unit 2 Discover useful structuresReview of noun clauses目录CONENTS010203名词性从句定义名词性从句分类名词性从句易错点01 名词性从句定义在复合句中起名词作用的从句叫名词性从句(Noun Clauses)。名词性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、同位语等。02 名词性从句分类根据名词性从句在句中充当的不同成分，可以把名词性从句分为主语从句、宾语从句、表语从句和同位语从句。1._ he will succeed is certain.2._ he will go there is
2、still a mystery.3._ he said is not true.4._ he hid the money is to be found out.5._ will be chosen our new monitor is still unknown.ThatWhetherWhatWhere/When/HowWho为避免主语冗长, 句子头重脚轻, 经常用it作形式主语,主语从句放在后面作真正的主语。It has not been decided yet when theyll start the project.When theyll start the project has n
3、ot been decided yet.Its likely/possible/necessary/clearthat Its said/ reported that 据说/据报道Its no wonder/no surprise /a pity/a fact / a common saying (俗话说) thatIt作形式主语的常见句型:1. 他有可能今天下午会来。Its likely that he will come this afternoon.2. 已经决定会议会被推迟到下星期。It has been decided that the meeting will be put off
4、 until next week.3. 真可惜我们不能去看那场电影。Its a pity that we cant see the film.1. They know _ the habit will kill them.2. I dont know _ they are saying. 3. It all depends on _ they will support us.4. He asked _ I paid for the violin.5. He made it clear to the public _ he did an important job. that whetherho
5、w muchthatwhat 1. Whether和if都可以引导宾语从句，但是当whether后紧跟or not时, 不用if；介词后面的宾语从句也不能用if.We havent settled the question of _ it is necessary for him to study abroad. A. if B. where C. whether D. that C2. 在主+谓+it (形式宾语) +宾补+that从句(真正宾语) 的句型中, that不省略We must make it clear that we mean what we say.3. 由连词and连接的
6、两个由that引导的宾语从句中, 第一个that可省略, 第二个that不省略。He told me (that) he would come and that he would come on time.1. I hate it when people talk with their mouths full.2. I like it in autumn when the weather is clear and bright.3. I cant help it if you dont listen.4. Ill appreciate it if you give me a hand.5. D
7、ont take it for granted that every one should help you.6. Please see to it that you close all the windows before you leave.4. 宾语从句必背经典句型:1. The question is _ we can rely on him. 2. Thats _ our problem lies.3. He looked _he was going to cry.4. Thats _I was late.5. Tomorrow is _ it would be most conve
8、nient.whetherwhereas if whywhen常见的接同位语从句的名词有：连接词通常是that,也可根据含义选用同位语从句在句中充当同位语，其一般跟在一些抽象名词后面，对名词作进一步解释说明。fact, idea, news, order, belief, suggestion, advice, information等whether, what, when, where, how 等来引导同位语从句。1. I have no idea _ he comes from.2. He cant answer the question _ he got the money.3. He
9、 gave us many suggestions _ we should get up earlier and take more exercise.4. I have no doubt _ he will win.5. I have some doubt _ he will win.wherehowthatthatwhether03 名词性从句易错点1. 名词性从句的语序: 陈述语序你能告诉我他住在什么地方吗？他是怎么成功的仍然是个谜。Could you tell me where he lives? Could you tell me where does he live? How wa
10、s he successful is still a puzzle. How he was successful is still a puzzle.2. that 和 what 都可引导名词性从句。what除起连接作用外，还在名词性从句中充当主语、宾语、或表语; that在名词性从句中不充当任何成分，只起连接作用。1. _ he wants is a book.2. _ he wants to go there is obvious.3. The result is _ we won the game.4. This is _ we want to know.5. Is _ he told
11、us true ?6. We should pay attention to _ the teacher is saying.7. I have no doubt _ he will come.8. I have no idea _ he did that afternoon.WhatThatthatwhatwhatwhatthatwhat3. Whether和 if 的区别不能使用if 的情况：a. 主语从句b. 表语从句c. 同位语从句e. 介词后的宾语从句f. 不定式前用whether 即 whether to dog. whether or not 连在一起引导宾语从句时不用if.1.
12、 I asked her _ she had a bike.2. _ we will hold a party in the open air tomorrow depends on the weather.3. Were worried about _ he is safe.4. I dont know _ he will come.5. I dont know _ or not he is well.6. The question is _ he should do it.7. The doctor can hardly answer the question _ the old man
13、will recover soon.8. I dont know _ to go.if / whetherWhetherwhetherwhether / ifwhetherwhetherwhetherwhether4. 引导词that的省略that可省略的情况：a. 主语从句b. 表语从句c. 同位语从句d. 用it做形式宾语的宾语从句e. 并列的宾语从句中的后几个从句的引导词that不能省略单个宾语从句中的that可省略; and连接两个宾语从句时，第一个宾语从句中的that可省略。that不可省略的情况：1. I dont think _ she is coming.2. It is a
14、pity _ he has made such a mistake.3. The reason is _ he is careless.4. The news _ our team won the match inspired us.5. I dont think it necessary _ you should read English aloud.6. He told me _ his father had died and _ he had to make a living alone.(that)thatthatthatthat(that)thatHomework:1.2.Thanks
