名词性从句复习ppt课件

1、,Noun Clause,1,一. 什么叫“名词性从句”？,名词性从句在功能上相当于名词,主语,His job is important.,What he does is important.,表语,This is his job.,This is what he does every day.,2,宾语,I dont like his job.,I dont like what he does every day.,同位语,I dont know about the man, Mr. White.,I dont know about the fact that he is a teacher

2、.,3,相关概念,1.名词的句法作用：名词在句中主要作 主语,宾语,表语和同位语。 2.名词性从句： 在英语的句子结构中，本来该由名词充当的主 语、宾语、表语和同位语，由一个句子来充当,这个句子就叫: 名词性从句。,4,宾语从句 Object Clause,表语从句 Predicative,主语从句 Subject Clause,同位语从句 Appositive Clause,名词性从句 Noun Clause,主语从句,同位语从句,表语从句,宾语从句,5,1.When we will start is not clear. 2.Mrs Black wont believe that her

3、son has become a thief. 3. My idea is that we should do it right now. 4.I had no idea that you were her friend.,主语从句,宾语从句,表语从句,同位语从句,二、 判断下列从句类型,6,引导名词性从句的连接词,引导名词性从句的连接词可分为三类： 连接词：that, whether, if 连接代词：what, whatever, who, whoever, whom, whose, which. 连接副词：when, where, how, why,7,1.主语从句：在句中充当主语成分,

4、1). That he will succeed is certain . 2) Whether he will go there is not known . 3) What he said is not true . 4) Where he hid the money is to be found out . 5) How we can help the twins will be discussed at the meeting. 6) Its certain that he will succeed .,8,使用主语从句的几点注意事项：,1.有时为避免句子头重脚轻，常用形式主语it代替

5、主语从句作形式主语放于句首，而把that的主语从句置于句末。单个主语从句常视为单数。常用it作形式主语的句型如下： 1）It + be + 形容词 + that从句 2）It + be + 名词 (hope, pity, wonder, etc.)+ that从句 3）It + be + 动词的过去分词 + that从句 4）It + 特殊动词(常为不及物动词) + that 从句 eg. It happened to me that I had been away when he called. It really matters that you havent turned up.,9,2

6、.另外，注意在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时，谓语动词要用虚拟语气“(should) +do”，常用的句型有： It is necessary (important, natural, strange, surprising, unthinkable, unbelievable, incredible, etc.) that It is suggested (advised, ordered, required, insisted, demanded, requested, proposed, desired, etc.) that,10,练习:用it充当形式主语,1.

7、That we shall be late is certain. - 2. That the earth is round is known to all. - 3. That you missed the chance is a pity. -,Its known to all that the earth is round.,Its a pity that you missed the chance.,Its certain that we shall be late.,11,1. _ he made an important speech at the meeting was true

8、. A. That B. Why C. What D. How 2. _well go camping tomorrow depends on the weather . A If B Whether C That D Where 3. Its known to us all _ a form of energy . A. water is B. that water is C. is water D. that water to 4. It worried her a bit _ her hair was turning gray. A. whether B. that C. what D.

9、 when,12,2. 宾语从句：在句中充当宾语成分（ 可以作谓语动词、介词、不定式等非谓语动词的宾语） 连词：that, whether，if （ that 常可省略） who, what, which, whoever, whatever, when where why how,1). Can you make sure _ the gold rings? where she had put B. where had she put C. where she has put D. where has she put 2).The workers considered it importan

10、t _ the boss would agree to give them a rise. A. whether B. how C. where D. which,13,宾语从句可以用it（作形式宾语） 来替换的句型为： 主语谓语itAdj/N从句如： I think it necessary that we have the meeting,14,找出下列句子中的错误，并总结出规律： I think that worthwhile that we spent so much money on these books. 2. That is hard to decide when and wh

11、ere we will held our sports meeting. 3. Everybody considers it impossible which he wants to finish the job in such a short time. 4. It doesnt matter that you will come or not.,it,It,that,whether,规律:主语从句和宾语从句在适当的情况 下可以借助 “it” 而后置。,15,3. 表语从句：从句在句中充当表语成分，一般放在连系动词之后, 对主语进行解释说明。,1.Thats _ the Party call

12、ed on us to do. A. why B. what C. how D. that 2. The reason is _ he is unable to operate the machine. A. because B. why C. that D. Whether,16,4.同位语从句,同位语从句一般跟在名词fact, news, promise, truth, belief, thought, idea, doubt, plan, suggestion等后面, 用以说明或解释前面名词的内容.,The idea that computers can recognize human

13、voices surprises many people. Sydney kept his promise that he would always do anything he could to help me.,17,名词性从句五大常考考点,18,考点1：区分that，what与which,1）_ you dont like him is none of my business. A. What B. Who C. That D. Whether 2)_ he said at the meeting astonished everybody present. A.What B. That

14、C. The fact D. The matter 3) _matters most in learning English is enough practice. A.That B. Why C.What D.Which,that 只起连接作用, 无意义，在从句中不充当成分 what 既有连接作用, 又要在从句中作成分（ 主语，宾语， 表语）( 的东西;物;话;时间;地点;人物;数目等不同概念),19,-Do you know_Mr Blacks address is ? -He may live at No. 18 or No. 19 of Bridge Street. Im not su

15、re of _. 2. I read about it in some book or other, does it matter _ it was? 规律：what (无范围) / which ( 有范围),what,which,which,Fill in the blanks: ( what which),20,1.他犯了这样一个错误真是遗憾。 _ is a pity . 2.他来不来不重要。 _doesnt matter.,It doesnt matter whether,That he made such a mistake,It is a pity that,考点 2 ：it作形式主

16、语,形式宾语的用法,Whether he will come or not,A、it 作形式主语,21,(1) find/ feel / consider / think it + adj / n it 指代后面从句所叙述的内容，常用于like/dislike/love/hate这些动词后。 I hate it when people laugh at the disabled. (3) rely on it that 1. I like _ in the autumn when the weather is clear and bright. A. this B. that C. it D.

17、 one 2.You may depend on _ that you parents will help you whenever you need it. A.them B. yourself C. it D. me,B、it 作形式宾语,22,考点3 语序问题,1.The 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,规律

18、：在名词性从句中,除了关联词要提到句首之外,一律要用陈述句语序,23,2.What time do you think _? will Besty come here B.Besty will come here C.is Besty coming here D.can Besty get here,疑问词+do you thinksuggestbelieve suppose +陈述语序,24,考点4. what,whatever,who,whoever,1._ was said here must be kept secret. 2. _we need is more time. 3._ m

19、ade the long distance call to him is not important. 4._ breaks the law will be punished.,WhateverWhat,What,Who,Whoever,25,_等引导的名词性从句不含有疑问意义，相当于名词后加一个定语从句，而 _等引导的名词性从句都含有疑问意义。,whoever, whatever,Who, what,请你归纳who,whoever,what,whatever,26,1._ has helped to save the drowning girl is worth praising. A.Wh

20、o B. The one C. Anyone D. Whoever 2._ comes late, he should be punished. A.No matter who B. The one C. Anyone D. Who,即时训练,27,No matter who destroys the forest will be punished.,（ 误 ）,no matter 只能引导状语从句，ever既可引导状语从句又可以引导名词性从句.,判断正误：,Whoever destroys the forest will be punished . （ 正 ）,28,考点5. 区别if 与w

21、hether 找出下列句子中的错误，并总结出规律：,1. If we will have a meeting hasnt been decided yet. 2. It depends on if the weather is suitable for us to do it. 3. The question is if he himself will be present at the meeting. 4. He asked me if I could go with him or not. 5.Im not sure if to stay or leave.,29,考点5. 区别if 与

22、whether 找出下列句子中的错误，并总结出规律：,1. we will have a meeting hasnt been decided yet.,2. It depends on the weather is suitable for us to do it.,3. The question is he himself will be present at the meeting.,4. He asked me I could go with him or not.,5.Im not sure to stay or leave.,If,if,whether,whether,whethe

23、r,if,whether,whether,引导主语从句时,if,if,引导介词后的宾语从句,引导表语从句,跟or not连用时,加动词不定式时,30,名词性从句做题三步曲：,步骤一：首先把主句和从句区分开来步骤二：分析从句缺何种成分步骤三：根据分析，选择恰当的连词,31,Summary(小结),1.名词性从句的分类：四大类 2.使用名词性从句应注意的五大方面: (1)that 与 what 的区别; (2) it作形式主语,形式宾语的用法 (3)语序问题 (4) no matter what,whatever等 (5)区别if 与whether,32,1. Can you make sure

24、_ the gold rings? A. where she had put B. where had she put C. where she has put D. where has she put,2. It has been proved _ eating vegetables in childhood helps to protect you against serious illnesses in later life A. if B. because C. when D. that,3. _ breaks the law should be punished. A Whoever

25、 b. No matter who c. anyone. d. who,33,4. That is _ I had to take the risk of being washed away. A. why B. reason why C. how D. what 5. Do _ you think is right _ difficulties you may have. A. what ;however B. that ;whatever C. whatever ; whoever D. what; whatever 6. People in Chongqing are proud of

26、_ they have achieved in the past ten years. A. that B. which C. what D. how,34,7. made the school proud was more than 90% of the students had been admitted to key universities. AWhatbecauseBWhatthat CThatwhatDThatbecause,8. These wild flowers are so special that I would do _ I can to save them. A. whatever B. that C. which D. whichever,9. It is generally considered unwise to give a child _ he or she wants. A. however B. whatever C. whichever D. whenever,10. It was _ he said _ disappointed me. A. what ; that B. that ; that C. what ; what D. that ; what,35,11. It makes no diff