人教版英语必修3第三单元语法名词性从句课件.ppt

1、名词性从句名词性从句名词性从句：一个句子充当主语，宾语，表语，同位语名词性从句主语从句表语从句宾语从句同位语从句1.When we will start is not clear.2.I wonder whether/if he is fit for the job.3.The problem is who will be equal to the task.4.I had no idea that you were her friend.主语宾语表语同位语Find out the clause,and tell what kind of clause it is:名词性从句在功能上相当于名词

2、名词性从句在功能上相当于名词His job is important.What he does 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.同位语连接代词who,whom,whose,which,what,连接副词how,why,whe

3、n,where连接词that,whether,if(只能引导宾语从句)引导名词性从句的连接词连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当成分。（不充当从句的任何成分）who/whom/whose/which/what(连接代词）when/where/why/how（连接副词）1.I dont doubt (that)you will succeed.2.I dont know whether/if he will come tonight.3.I doubt if/whether you will keep your promise.连接词conj.that/if/

4、whetherquestion wordthat;whether,if（是否）：在名词性从句中只起连接作用，在句中不担任成分,被称为连接词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 _broke the glass yesterday.Whenwho我不知道他长的什么

5、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.whatwhere找出下列句子中的错误，并总结出规律：1.Canyoutellmehowmany students arethereinyourclass?2.I dontknowwhere hashegone.3.Theowner oftheshopcametoseewhatthematter was.Can you tell me how many students there arein your class?I dont know wher

6、e he hasgone.The owner of the shop came to see what was the matter.规律一：名词性从句中须使用陈述语序！规律一：名词性从句中须使用陈述语序！找出下列句子中的错误，并总结出规律：找出下列句子中的错误，并总结出规律：4.Wesuggested thatwewouldgotothecinema.5.His recommendationthatwewentthereonfootis acceptable.We suggested that we(should)go tothe cinema.His recommendation that

7、 we(should)gothere on foot.规律二：注意虚拟语气的使用！规律二：注意虚拟语气的使用！一个坚持：insist两个命令：order command三个建议：suggest advise recommend（propose）四个要求：require，request，demand，desire 宾语从句中的虚拟名词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 可省略He gave me a suggestion that I(should)be calm now.找出下列句子中

8、的错误，并总结出规律：找出下列句子中的错误，并总结出规律：7.If we will have a meeting hasnt been decided yet.8.It depends on if the weather is suitable for us to do it.9.He asked me if I could go with him or not.Whetherwe will have a meeting hasnt been decided yet.It depends on whetherthe weather is.He asked me whetherI could g

9、o with him or not.规律三：4种情况只能用whether，不能用if：（1）除宾语从句之外的名词性从句（2）前面有介词；（3）与or not连用。(4)在动词不定式之前10.I dont know if to do it.whetherFill in the blanks using whether/if 1.I asked her _ she had a bike.2._ we will hold a party in the open airtomorrow depends on the weather.3.Were worried about _ he is safe.4

10、.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 dont know _ to go.9.I didnt know _to laugh or to cry.10._ you are not free tomorrow,Ill go without you.if/whetherWheth

11、erwhetherwhetherwhetherwhetherwhetherwhetherwhetherIf如果，只用 if 找出下列句子中的错误，并总结出规律：11I think that worthwhile that we spent so much money on these books.12.That is hard to decide when and where we will held our sports meeting.itIt规律四：主语从句和宾语从句在适当的情况下可以借助“it”而后置。1 用it作形式主语，主语从句放在句末。e.g.It doesnt matter s

12、o much whether you will come or not.2用it作形式宾语,真正的宾语从句放在句末I found itquite a surprise that everybody in that city has a car.补充：think/suppose/consider/believe/find/feel/make+it+宾补+that 找出下列句子中的错误，并总结出规律：13 I saw he is talking with her mother.14.The teacher told his class that light traveled faster than

13、 sound.He believes_.wastravels规律5:宾语从句中1.当主句的谓语动词是一般现在时或一般将来时从句谓语可根据句意需要而选用任一种时态。2.当主句的谓语动词是一般过去时，宾语从句的谓语动词要用相应的过去时态。3当宾语从句叙述的内容为客观真理时，仍用一般现在时。his dream will come true some day找出下列句子中的错误，并总结出规律：找出下列句子中的错误，并总结出规律：15 No matter who breaks the law should be punished.Whoever规律规律6 whatever,whoever,whichev

14、er除用于引导的名词性从句外，还可用于引导让步状语从句，可以用可以用nomatter what,nomatter who,nomatter which替换。引导词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 不能省略名词性从句和定语从句区别从句充当的成分不同?1 I dont know when he will leave.?2 I dont know the time when he will leave.?3 That is

15、whom I want to see.?4 That is the girl whom I want to see.定定名名修饰的名词不同修饰的名词不同定语从句的先行词可以是各类名词，而可同位语从句的名词是抽象名词常用名词有:belief,fact,idea,view,question,hope,news,doubt,thought,information,opinion，suggestion,order，demand，wish，possibility,message 等定语从句中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。同位语从句对中心词的内容作进

16、一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,只起连接作用起连接作用,无具体含义无具体含义,且不可省且不可省略。1.We expressed the hope that they had expressed.2.We expressed the hope that we would come to Chinaagain.Attributive or AppositiveATAP?1 Word camethathe would come to see us all.?2 Word came tha

17、the refused to believe.?An idea hit me that we can go there by boat.?3 I have no idea wherehe was born.?4 He left the small townwhere he was born.1 _ you dont like him is none of my business.A.What B.Who C.That D.Whether2 I drove to Zhuhai for the air show last week.Is that _ you had a few days off?A.why B.when C.what D.where3 _ the 2008 Olympic Games will be held in Beijing is not known yet.A.Whenever B.If C.Whether D.That4 _ you have done might do harm to other people.A.That B.What C.Which D.This