讲解 名词性从句ppt.ppt

1、江苏教育学院附属高级中学 蔡勇,名词性从句,Practice:,1._ the baby could speak made his parents very happy. A. That B. What C. Why D. If 2. I wonder _ you will go shopping or stay at home. A. that B. if C. whether D. what 3. This is _ he was often late for school. A. what B. that C. why D. whether 4. We all know the trut

2、h _ the earth _ around the sun. A. if; moved B. that; moves C. why; move D. whether; move,A,C,C,B,主语从句,宾语从句,表语从句,同位语从句,在复合句中起名词作用的从句叫名词从句 (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。,名词从句,名词性从句在功能上相当于名词,His job is important.,What he d

3、oes is important.,主语,This is his job.,This is what he does every day.,表语,I dont like his job.,I dont like what he does every day.,宾语,I dont know about the man, Mr. White.,I dont know about the fact that he is a teacher.,同位语,Try to find the noun clauses in the Reading section on page 2 and tell the f

4、unctions.,At lunchtime, the radio weatherman reported that the mist would become a thick fog in the afternoon.,2. She wondered if the buses would still be running.,3.The truth is that the fog is too thick for the bus to run that far.,4. She sensed that she was being watched by a tall man in a dark c

5、oat.,Object clause,Object clause,Predicative clause,Object clause,名词性从句考点归纳,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.,b. 疑问词+句子的剩余成分 This is what we are looking for.,(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。,他是怎么成功的仍然是个谜。How was he successful is still

6、a puzzle. ( )How he was successful is still a puzzle. ( ),你能告诉我他住在什么地方吗？Could you tell me where he lives? ( )Could you tell me where does he live? ( ),F,T,T,F,二、名词性从句连接词的选用,（1）that 和what 的选用,that 和 what 都可引导所有的名词从句。但是，what除起连接作用外，还在名词性从句中充当成分，可做从句的主语、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.

7、_ 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 is saying.7. I have no doubt _ he will come.8. I have no idea _ he did that afternoon.,What,That,that,what,what,

8、what,that,what,if 和whether 的选用,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. whether to do 做动词宾语不能用if to do.g .whether or not 连在一起引导宾语从句时不用if.,if / whether1. 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

9、 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 dont know _ to go.,if / whether,Whether,whether,whether/if,whether,whether,whether,whether,其它连接代词和副词的连用,主要根据名词性从句中的具

10、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 _ broke 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,引

11、导词that 的省略,that 可省略的情况：单个宾语从句中的that可省略,that不可省略的情况：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,that/ (that),1.I dont think _ she is coming.2.It is a 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 thin

12、k 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,三、同位语从句的引导和辨别,1.同位语从句的格式：n.+ 连接词 + 从句2.能接同位语从句的名词有：fact、idea, news, information, order, belief, suggestion, advice等3.连接词通常是that,也可根据含义选用 wheth

13、er, what, when, where 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 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.,that/ whether / where/ how,where,ho

14、w,that,that,whether,同位语从句和定语从句的区别,1.定语从句是先行词的修饰语，它不涉及先行词的具体内容。定语从句中that不但起连接作用，而且在定语从句中充当一个句子成分，充当从句的宾语成分时可省略。,2.同位语从句对中 心词的内容作进一步的解释和说明，表明中心词的具体内容。引导同位语从句的that 在同位语从句中不做任何成分,只起连接作用,无具体含义,且不可省略.,1.We expressed the hope that they had expressed.2. We expressed the hope that they would come to China ag

15、ain.,1.The information has been announced that more middle school graduates will be admitted into university.2.The information that he revealed at the meeting is of great value.,Attributive or Appositive,AT,AP,AP,AT,名词demand, suggestion, proposal, advice 等词后的同位语从句的语气要用虚拟语气,结构为 should + do, should 可省

16、略,He gave me a suggestion that I ( should ) be calm now.,宾语从句的时态呼应,1. 如果主句时态是现在时或将来时,从句谓语 可根据句意需要而选用任一种时态. a .他相信他的梦想总有一天会实现的. He believes _ . b .请告诉我你昨天这个时候在干什么. Please tell me _.,his dream will come true some day,what you were doing at this time yesterday,2. 如果主句谓语是过去时,从句谓语动词一般用过去的 某种时态,但从句表达的是客观事

17、实、真理、自然规 律等时，从句谓语通常用一般现在时。 他告诉我他正在为考试做准备。 He told me _ . 他说他已离开家乡十年了。 He told me _. 老师告诉我们光是沿直线运行的。 The teacher tell us _,he was preparing for the examination,He had been away from his hometown for ten years,light travels in a straight line.,Practice time,1.It now appears _ they are in need of help.

18、 A. that B. which C. what D. how 2.It is good news _ they will arrive in a few days. A. which B. what C. that D. how 3.It _ Joe drives badly. A. thought that B. thinks that C. is thought that D. is thought that 4.It _ he is late for class. A. may that B. might that C. may be that D. might be what 5.

19、This is _ she was born. A. where B. which C. that D. what 6.The question is _ we cant go there today. A. that B. what C. which D. when,7.The question is _ it is worth doing. A. if B. whether C. which D. what 8.The reason he has made such great progress is _ he has never wasted his time. A. because B. why C. that D. what 9.My suggestion is _ we should turn the land into rice fields. A. what B. that C. which D. where 10