名词性从句复习课件34215.ppt

1、2020/11/302.什么叫什么叫“名词性从句名词性从句”？v名词性从句在功能上相当于名词名词性从句在功能上相当于名词主语主语 His job is important.What he does is important.表语表语This is his job.This is what he does every day.2020/11/303宾语宾语 I dont like his job.I dont like what he does every day.同位语同位语 I dont know about the man,Mr.White.I dont know about the fa

2、ct that he is a teacher.2020/11/304相关概念1.名词的句法作用名词的句法作用：名词在句中主要作：名词在句中主要作主语主语,宾语宾语,表语和同位语表语和同位语。2.名词性从句名词性从句：在英语的句子结构中，本来该由名词在英语的句子结构中，本来该由名词充当的充当的主主 语语、宾语宾语、表语表语和和同位语同位语，由，由一个句子来充当一个句子来充当,这个句子就叫这个句子就叫:名词性从句。名词性从句。2020/11/305名词性从句Noun Clause主语从句主语从句同位语从句同位语从句表语从句表语从句宾语从句宾语从句2020/11/3061.When we will

3、 start is not clear.2.Mrs Black wont believe that her 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.主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句二、二、判断下列从句类型判断下列从句类型2020/11/307v 引导名词性从句的连接词可分为三类：引导名词性从句的连接词可分为三类：v连接词：连接词：that,whether,if v连接代词：连接代词：w

4、hat,whatever,who,whoever,whom,whose,which.v连接副词：连接副词：when,where,how,why2020/11/308 1.主语从句：在句中充当主语成分主语从句：在句中充当主语成分v1).That he will succeed is certain.v2)Whether he will go there is not known.v3)What he said is not true.v4)Where he hid the money is to be found out.v5)How we can help the twins will be

5、discussed at the meeting.v6)Its certain that he will succeed.2020/11/309使用主语从句的几点注意事项：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，常用形式主语有时为避免句子头重脚轻，常用形式主语it代替主语代替主语从句作形式主语放于句首，而把从句作形式主语放于句首，而把that的主语从句置于的主语从句置于句末。单个主语从句常视为单数。常用句末。单个主语从句常视为单数。常用it作形式主语作形式主语的句型如下：的句型如下：1）It+be+形容词形容词+that从句从句 2）It+be+名词名词(hope,pity,w

6、onder,etc.)+that从句从句 3）It+be+动词的过去动词的过去分词分词+that从句从句 4）It+特殊动词特殊动词(常为不及物动词常为不及物动词)+that 从句从句 eg.It happened to me that I had been away when he called.It really matters that you havent turned up.2020/11/30102.另外，注意在主语从句中用来表示惊奇、不相信、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，谓语动词要用惋惜、理应如此等语气时，谓语动词要用虚拟语气虚拟语气“(sh

7、ould)+do”，常用的句型有：，常用的句型有：v It is necessary(important,natural,strange,surprising,unthinkable,unbelievable,incredible,etc.)that v It is suggested(advised,ordered,required,insisted,demanded,requested,proposed,desired,etc.)that 2020/11/3011练习:用用it充当形式主语充当形式主语v1.That we shall be late is certain.v-v2.That

8、 the earth is round is known to all.v-v3.That you missed the chance is a pity.v-Its known to all that the earth is round.Its a pity that you missed the chance.Its certain that we shall be late.2020/11/30121._ he made an important speech at the meeting was true.A.That B.Why C.What D.How 2._well go ca

9、mping 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.when2020/11/30132.宾语从句：在句中充当宾语成分（宾语从句：在句中充当宾语成分（可以作谓语动词、可以作谓

10、语动词、介词、不定式等非谓语动词的宾语）介词、不定式等非谓语动词的宾语）连词：连词：that,whether，if （that 常可省略）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 important _ the boss would agr

11、ee to give them a rise.A.whether B.how C.where D.which 2020/11/3014宾语从句可以用宾语从句可以用it（作形式宾语）（作形式宾语）来来替换的句型为：替换的句型为：主语谓语主语谓语itAdj/N从句从句如：如：I think it necessary that we have the meeting2020/11/3015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：I think that worthwhile that we spent so much money on these books.2.Th

12、at is hard to decide when and where 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.itItthatwhether规律规律:主语从句和宾语从句在适当的情况主语从句和宾语从句在适当的情况 下可以借助下可以借助 “it”it”而后置而后置。2020/11/30163.表语从句：从句

13、在句中充当表语成分，一般放表语从句：从句在句中充当表语成分，一般放在连系动词之后在连系动词之后,对主语进行解释说明。对主语进行解释说明。1.Thats _ the Party called 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.Whether2020/11/3017 4.4.同位语从句同位语从句 同位语从句一般跟在名词同位语从句一般跟在名词fact,news,promise,truth,belief,

14、thought,idea,doubt,plan,suggestion等等后面后面,用以说明或解释前面名词的内容用以说明或解释前面名词的内容.The idea that computers can recognize human voices surprises many people.Sydney kept his promise that he would always do anything he could to help me.2020/11/30182020/11/3019考点考点1：区分区分that，what与与which1）_ you dont like him is none

15、of my business.A.What B.Who C.That D.Whether2)_ he said at the meeting astonished everybody present.A.What B.That C.The fact D.The matter3)that 只起连接作用只起连接作用,无意义，在从句中不充当成分无意义，在从句中不充当成分 what 既有连接作用既有连接作用,又要在从句中作成分（又要在从句中作成分（主语，主语，宾语，宾语，表语）表语）(的东西的东西;物物;话话;时间时间;地点地点;人物人物;数数目等不同概念目等不同概念)2020/11/3020 -Do

16、 you know_Mr Blacks address is?-He may live at No.18 or No.19 of Bridge Street.Im not sure of _.2.I read about it in some book or other,does it matter _ it was?规律：规律：what(无范围无范围)/which(有范围有范围)whatwhichwhichFill in the blanks:(what which)2020/11/30211.他犯了这样一个错误真是遗憾。他犯了这样一个错误真是遗憾。_ is a pity.2.他来不来不重要

17、。他来不来不重要。_doesnt matter.It doesnt matter whetherThat he made such a mistakeIt is a pity that考点考点 2：it作形式主语作形式主语,形式宾语的用法形式宾语的用法Whether he will come or notA、it 作形式主语作形式主语2020/11/3022(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

18、disabled.(3)rely on it that1.I like _ in the autumn when the weather is clear and bright.A.this B.that C.it D.one2.You may depend on _ that you parents will help you whenever you need it.A.them B.yourself C.it D.me B、it 作形式宾语作形式宾语2020/11/30231.The photographs will show you _ A.what does our village

19、look like B.what our village looks like C.how does our village look like D.how our village looks like 2020/11/30242.What time do you think _?will Besty come here B.Besty will come here C.is Besty coming hereA.D.can Besty get here2020/11/3025考点考点4.what,whatever,who,whoeverv1._ was said here must be k

20、ept secret.v2._we need is more time.v3._ made the long distance call to him is not important.v4._ breaks the law will be punished.WhateverWhat WhatWhoWhoever2020/11/3026v _等引导的等引导的名词性从句名词性从句不含有疑问意义不含有疑问意义，相，相当于名词后加一个定语从句，而当于名词后加一个定语从句，而v_等引导的等引导的名词性从句都名词性从句都含有疑问意义含有疑问意义。whoever,whateverWho,what 请你归纳

21、请你归纳who,whoever,what,whatever 2020/11/30271._ has helped to save the drowning girl is worth praising.A.Who B.The one C.Anyone D.Whoever2._ comes late,he should be punished.A.No matter who B.The one C.Anyone D.Who即时训练即时训练2020/11/3028No matter who destroys the forest will be punished.（误误）解析解析no matter

22、 只能引导状语从只能引导状语从句，句，ever既可引导状语从句既可引导状语从句又可以引导名词性从句又可以引导名词性从句.判断正误：判断正误：Whoever destroys the forest will be punished.（正正）2020/11/3029考点考点5.区别区别if 与与whether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：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

23、.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.2020/11/3030考点考点5.区别区别if 与与whether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：1.we will have a meeting hasnt been decided yet.2.It depends on the weather is suitable fo

24、r 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.Ififwhetherwhetherwhetherifwhetherwhether引导主语从句时引导主语从句时ifif引导介词后的宾语从句引导介词后的宾语从句引导表语从句引导表语从句跟跟or not连用时连用时加动词不定式时加动词不定式时2020/11/3031名词性从句做题三步曲：名词性从句做题三步曲：步

25、骤一：首先把主句和从句区步骤一：首先把主句和从句区分开来分开来步骤二：分析从句缺何种成分步骤二：分析从句缺何种成分步骤三：根据分析，选择恰当步骤三：根据分析，选择恰当的连词的连词2020/11/3032Summary(小结)v1.名词性从句的分类：四大类v2.使用名词性从句应注意的五大方面:v(1)that 与与 what 的区别的区别;v(2)it作形式主语作形式主语,形式宾语的用法形式宾语的用法v(3)v(4)no matter what,whatever等v(5)区别区别if 与与whether2020/11/30331.Can you make sure _ the gold ring

26、s?A.where she had put B.where had she put C.where she has put D.where has she put2.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 b.No matter who c.anyone.d.

27、who 2020/11/30344.That is _ I had to take the risk of being washed away.A.why B.reason why C.how D.what5.Do _ you think is right _ difficulties you may have.A.what;however B.that;whatever C.whatever;whoever D.what;whatever6.People in Chongqing are proud of _ they have achieved in the past ten years.

28、A.that B.which C.what D.how2020/11/30357.made the school proud was more than 90%of the students had been admitted to key universities.AWhatbecauseBWhatthat CThatwhatDThatbecause8.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 gene

29、rally 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 2020/11/303611.It makes no difference _ you will go today or tomorrow.A.if B.whether C.that D.what 12._ should b

30、e sent to work there?A.Who do you suggest B.Who do you suggest that shouldC.Do you suggest who should D.Do you suggest whom should2020/11/303713._ is a fact that English is being accepted as an international language.A.There B.This C.That D.It14._ he said at the meeting astonished everyone present.A

31、.What B.That C.The fact D.The matter15.Do you remember _ he came?Yes,I do.He came by car.A.how B.when C.that D.if 2020/11/303816._ well go camping tomorrow depends on the weather.A.If B.Whether C.That D.Where 17._ has helped to save the drowning girl is worth praising.A.Who B.The one C.Anyone D.Whoever 18.Our city has changed a lot,and now it is quite different from _ a few years ago.A.what it used to be B.that it used to be C.which it used to be D.what was itThank You世界触手可及世界触手可及携手共进，齐创精品工程携手共进，齐创精品工程