资源描述:
《名词性从句详细讲解》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、名词性从句名词性从句宾语从句1、连接代词:who,whose,whom,what,which。在从句中担任成分,如主语、表语、宾语、或定语等。2、连接副词:when,where,why,how。在从句中担任成分,作状语。3、连词:that,whether,if,asif。在从句中不担任成分,注意:引导词的作用:1连词whether和if(是否),asif(好象)只有连接的功能,而不在从句中充当句子成分。that作连接词,本身无任何含义。2.连接代词和连接副词不但有连接的功能,同时还要在从句中充当一定的句子成分,如主语、宾语、表语、定语、状语宾语从句:
2、从句在句中充当宾语的成分。宾语从句可作谓语动词的宾语,也可作介词的宾语,还可作某些形容词的宾语从句。一般由that,whether,if,who,whose,what,which,when,where,how,why等连接Jennythought(that)herteacherwasunfair.I’dliketoknowwhichoneisyourhusband.Iamsure(that)hewon’tmind.Hesaidthathewasdoinghishomework.(注意时态的对应)Mothertoldmethatshewouldbuya
3、bikeforme.Idon’tknowwhenhewillcome.注意think,believe,suppose等的用法(反意疑问句一从二三主)Ithinkthathewillcome,won’the?Shethinksthathewillcome,doesn’tshe?Idon’tthinkhewillcome,willhe?Ithinkthathewillcome(提问he)Whodoyouthinkwillcome?that引导宾语从句无意义,不充当句子成分常省略。但下列情况除外:(1)介词宾语从句的that不省略(2)and连接的几个从句
4、,第二个从句以后的从句的that不省略。Hetoldmethathehadtwosonsandthattheybothhadgonetocollege.(3)在动词+it+宾语补足语+宾语从句结构中,that不省略。如果主句的谓语动词是make,find,feel,consider,等,往往可用it作形式宾语,而把宾语从句置于宾语补足语之后IhearditsaidthathehadgoneabroadWefounditimpossiblethathecouldfinishitinsuchashorttimeWethinkitwrongthatheto
5、ldalietoeveryoneWemakeitaschoolrulethatstudentsshouldwearschooluniform.Whether,if引导宾语从句:两词可互换,但是下列情形除外:(1)whether从句中有ornot(2)whether从句做介词宾语Everythingdependsonwhetheryouagreewithus宾语从句的语序要用陈述句语序7名词性从句SheaskedwhatsecondlanguageIwasstudyingthen.介词之后的宾语从句,不可用which或if连接,要分别用what或whe
6、ther。介词之后的宾语从句一般由wh疑问词连接I’minterestedinwhetheryou’vefinishedthework..I’minterestedinwhatyou’vesaid.Iwassurprisedatwhathesaid.Iamworriedaboutwhetherheissafe.注意that从句作宾语从句只用于exceptthat及inthat结构IknownothingaboutthemanexceptthatheisanItalian.充当一些形容词的宾语be+形容词(sure,afraid,happy,glad,
7、sorry)+thatIamafraidthatIhavemadeamistake.Wearecertainthatwewillwinthegame.主语从句主语从句1.一个主语从句的谓语动词用单数。2.通常为了句子平衡用it做形式主语,而将主语从句放于句尾。3.由that引导的从句,that虽然没有什么意思,但是却不能省略。4.WH引导的从句,引导词放于句首,从句用陈述句语序。5.放于句首时表示是否只用whether,连词that(无词意),whether(是否),who,what,which,when,where,how,whyThatyoudo
8、n’tlikehimhasnothingtodowithme.WhetherJohnwilldothisex