名词性从句易混淆知识点讲.ppt

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1、Noun Clause,2014.4,名词性从句易混淆知识点讲解,贺州高级中学 谢素清,Can you find out five differences between these two pictures below?,Can you find out the differences in the following sentences?,I dont know whether she likes English.I have no idea whether she likes English.It is unknown whether she likes English.The ques

2、tion is whether she likes English.,宾语从句,同位语从句,表语从句,主语从句,名词性从句易混淆知识点讲解,易混点一：whether与if的用法,whether if,I dont know whether she likes English.I have no idea whether she likes English.It is unknown whether she likes English.The question is whether she likes English.,if,if,if,if,只能用whether,不能用if的情况,引导主语从句

3、（位于句首）、表语从句、同位语从句时 whether与or not或or连用时 在介词后引导宾语从句或与带to的动词不定式结合而构成不定式的复合结构时,*,易混点二同位语从句与定语从句的区别,*,1 1,1)The news that he told me is that Tom would go abroad next year.2)The news that Tom would go abroad is told by him.,（他告诉我的消息是汤姆明年将出国。）,（汤姆将出国的消息是他讲的）,定语从句,同位语从句,that,名词性,形容词性,只连接主句和从句,在从句中不充当成分,代替先

4、行词,在从句中充当成分,同位语从句同位语从句常用抽象名词作为先行词:fact/idea/reason/thought/order/doubt/news/hope truth/belief,连词为 that/whether/who/which what/when/where/why/how 等。,定语从句定语从句的先行词可为抽象名词，也可以是具体名词，还可以是一个句子；,引导词为 that/which/as/who/whose when/where/why/how 等。,1.Ive got a good idea _ they left early.2.The question _ we sho

5、uld go has not been decided.,1.我了解他们为什么离开得那么早.2.我们还没决定好去哪儿.,why,where,1.The news that there are no lives on the moon is known to us all.()2.The news that you heard is not true.()3.Have you any idea who he went with?()4.Is there any hope that they will be home in time?()5.The problem that you referre

6、d to doesnt exist at all.(),同位语从句,定语从句,同位语从句,同位语从句,定语从句,*,易混淆点三 that在名词性从句中是否可以省略,省！,不省！,*,1.宾语从句中 that在口语中常省略，但在下列情况中，that应当保留,*,1）引导两个或两个以上的宾语从句时，第二个或第二个以上的宾语从句中的 that则不易省略2）当it作形式宾语代替that引导的宾语 从句时，一般保留that 3）主、从句之间有插入语时同样不可 省去that,EverybodycouldseewhatwashappeningandthatpoorRosewasreallyfrightene

7、d.（并列宾语从句，省去that，则变为并列句。）,I found it quite a surprise that everybody in that city has a car.,Idontdoubt，inanycase，thatwewillwinthematch.（无论如何，我都不怀疑我们会赢那场比赛）。,*,2.引导主语从句的that一般不可省略，但若用it作形式主语，that则可省略,-That the earth moves around the sun is known to all.-Itisknowntoall（that）theearthmovesaroundthesun.

8、,*,3引导表语从句、同位语从句that（尤其是说明主语的同位语）一般 不省略,-Thereasonwhyhestudieswellis thatheisalwayshardworking.-Idontagreetothesuggestion thatwegiveuptheplan.,*,易混点四what,whatever,who,whoever等引导的名词性从句,Whatever=anythingthat=no matter whatWhoever=anyonewho=no matter whoWhenever=anytime=nomatterwhenWherever=anyplace=no

9、matterwhere,无论什么,无论谁,无论何时,无论何地,泛指,*,25,what、who、when、where则是特指。,Whospokeatthemeetingisunknown.Thepersonthat/whospokeatthemeetingisunknown.Whoeverbreaksthelawwillbepunished.Anyonewhobreaksthelawwillbepunished.,*,26,注意：1.whatever、whoever、whenever、wherever 等常引导主语从句、宾语或表语从句，也可 引导状语从句，等于“nomatter+疑问词”。2.此类从句不能用it做形式主语来代替。3.no matter+疑问代词,不能引导名词性从句。,*,*,Thanks！,谢素清Susie广西贺州高级中学,