人教版高二英语必修三Unit3名词性从句二.ppt

1、Grammar,Noun clauses as the object and predicative,Noun Clauses,名词性从句,Learning aims,1.To learn the noun clauses. 2.To know about each noun clause. 3.To master the usage.,III.The subject clause,主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。,1.It 作形式主语,It 作形式主语代替主语从句，主要是为了平衡句子结构，主语从句的连接词没有变化。例如：

2、It is a pity that you didnt go to see the film. It doesnt interest me whether you succeed or not.,what 引导主语从句时在句时在从句中充当句子成分，如主语宾语表语，而that 则不然。例如： 1) _you said yesterday is right. 2) _she is still alive is a good thing.,It is right what you said yesterday.,It is a good thing that she is still alive.,

3、What,That,2. what 与that 在引导主语从句时的区别,IV.The appositive clause,同位语从句在句中充当同位语成分，其一般跟在一些抽象名词(idea; belief; fact; truth; problem; news等)后面，对名词作进一步解释说明。,同位语从句常用that引导或用连接副词when / where / why / how / whether,同位语从句就是在复合句中作名词的同位语的名词性从句。,1. 同位语从句的功能 同位语从句对于名词进一步解释，说明名词的具体内容，一般由that引导，例如： 1) The kings decision

4、 that the prisoner would be set free surprised all the people. 2) The order that all the soldiers should stay still is given by the general.,2. 同位语在句子中的位置 同位语从句有时可以不紧跟在它所说明的名词后面，而是被别的词隔开。例如： He got the news from Mary that the sports meeting was put off.,3. 同位语从句与定语从句的区别,（I）试比较下面两个例句: 1.The suggestio

5、n that he raised at the meeting is very good. 2.The suggestion that the students should have plenty of exercise is very good.,（that引导定语从句, 作宾语, 可以省略）,（that引导同位语从句,在从句中不担当任何成分，但不可以省略）,辨别下列从句是定语从句还是同位语从句 1.We heard the news that our team had won. 2.We must face the fact that we had spent all our money

6、. 3. The news that he told me yesterday was false. 4. I have no doubt that he will come soon. 5. The fact is that we have spent all our money.,同位语从句,同位语从句,定语从句,同位语从句,表语从句,一、名词性从句的语序,(1) 名词性从句构成有两种,a. That + 陈述句,That light travels in straight lines is known to all.,This is what we are looking for.,名词

7、性从句考点归纳,b. 疑问词+句子的剩余成分,Could you tell me where he lives? ( )Could you tell me where does he live? ( ),(2) 疑问词引导的名词性从句要求使用陈述 句语序，不能用一般疑问句语序。,How was he successful is still a puzzle. ( )How he was successful is still a puzzle. ( ),你能告诉我他住在什么地方吗？,F,T,T,F,他是怎么成功的仍然是个谜。,二、名词性从句连接词的选用,(1) that 和what 的选用,t

8、hat 和 what 都可引导所有的名词性从句。但是，what除起连接作用外，还在名词性从句中充当成分，可作从句的主语、宾语、或表语。而that在名词性从句中不充当任何成分，只起连接作用。,that / what,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 us true?6. We should pay attention to _ the teacher

9、 is saying.7. I have no doubt _ he will come.8. I have no idea _ he did that afternoon.,What,That,that,what,what,what,that,what,a. 主语从句b. 表语从句c. 同位语从句d. 介词后的宾语从句e. whether to do 做动词宾语不能用if to do.f. 与 or not 连在一起引导宾语从句 时不用if.,if和whether的选用,不能使用if 的情况:,1. I asked her _ she had a bike.2. _ we will hold

10、 a party in the open air tomorrow depends on the weather.3. Were worried about _ he is safe.4. I dont know _ he is well or not.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 will recover soon.8. I havent decided _ to

11、 go there.,if / whether,Whether,whether,whether / if,whether,whether,whether,whether,if / whether,其它连接代词和副词的使用,主要根据名词性从句中的具体意义，正确的选择 who, which, when, where, why, how 等连接词，这些连接词既具有疑问含义，又起连接作用，同时在从句中充当各种成分。,我们何时举行运动会还没有决定。_ we shall hold our sports meeting is not decided.我不知道昨天谁打破了玻璃。I dont know _ br

12、oke the glass yesterday.我不知道他长的什么样子。I have no idea _ he looks like.这就是我忘记眼镜的地方。This is _ I left my glasses.,When,who,what,where,that可省略的情况：,that不可省略的情况：主语从句表语从句同位语从句用it做形式宾语的宾语从句并列的宾语从句中的后几个从句的引导词that不能省略,引导词that的省略,单个宾语从句中的that可省略,1. I dont think _ she is coming.2. It is a pity _ he has made such a

13、 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),that,that,that,that,(that),that,that / (that),They expressed the ho

14、pe _ they would come over to China. A. which B. that C. whom D. when 2. The fact _ he didnt see Tom yesterday is true. A. that B. which C. when D. what 3. I have no idea _ he will come back. A. where B. when C. what D. if,Choose the best answer,4. One of the men held the view _ the book said was rig

15、ht. A. what that B. that which C. that what D. which that 5. Word has come _ some American guests will come for a visit to our college next week. A. what B. whether C. that D. which,6. They received orders _ the work be done at once. A. which B. when C. / D. that 7. The reason _ I have to go is _ my

16、 mother is ill in bed. A. why; why B. why; because C. why; that D. that; because 8. _ I cant understand is _ she wants to change her mind. A. What; why B. Which; how C. That; why D. What; because,9. _ his dream of going to college will come true is uncertain. A. That B. Whether C. If D. Even if 10.

17、It is known to us _ where there is pollution, there is harm. A. which B. where C. what D. that,11. - I saw your neighbor break your window with a basketball. - _ it made me nearly mad. A. That he broke B. What he broke C. He broke D. His break 12. It remains a question _ we can get so much money in

18、such a short time. A. how B. that C. when D. what,13. He made a promise _ anyone set him free he would make him very rich. A. that B. if C. what D. that if 14. They lost their way in the forest and _ made matters worse was _ night began to fall. A. what; that B. it; that C. what; when D. which; what

19、,15. It now appears _ they are in need of help. A. that B. which C. what D. how 16. It is good news _ they will arrive in a few days. A. which B. what C. that D. how 17. It _ Joe drives badly. A. thought that B. thinks that C. was thought that D. is thought that,18. His proposal is that the dam _ at the foot o