精品—名词性从句课件

《精品—名词性从句课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、名词性从句Unit1TheworldofoursenseGrammarNounclause名词性从句名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。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一．主语从句主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。1.It作形式主语It作形式主语代替主语从句，主要是为了平衡句子结构，主语从句

2、的连接词没有变化。例如：Itisapitythatyoudidn’tgotoseethefilm.Itdoesn’tinterestmewhetheryousucceedornot.ⅠSubjectclause引导主语从句的连词主要有:一.由that引导的主从:1.Thatweshallbelateiscertain.2._____________________isknowntoall.(地球是圆的)3.________________________isapity.(你错过了这次机会)★that不作成分，无意义,但不能省略.后接一个完整的陈述句.Thatth

3、eearthisroundThatyoumissedthechancethatwhether疑问词注：that引导的主语从句作主语，谓语用单数。That引导的主从，常用形式主语it代替，that从句后移。Thatweneedtimeisobvious.Itisobviousthatweneedtime.2.What引导的主从，what作主语，宾语或表语，表。。。的东西Whatweneedistime.Whathesaiditistrue.What引导的主从，谓语动词视后面的名词而定。Whatweneedtime.Whathegavemearetwobooks.i

4、swhat引导主语从句时在句时在从句中充当句子成分，如主语．宾语．表语，而that则不然。例如：1)______yousaidyesterdayisright.2)______sheisstillaliveisagoodthing.Itisrightwhatyousaidyesterday.Itisagoodthingthatsheisstillalive.WhatThat2.what与that在引导主语从句时的区别3.由whether引导的主从:e.g.Whetherhe’llbeabletocomeisnotyetknown.Whetherwewillsuc

5、ceedisstillaquestion.★主语从句不能用if来引导;Ex:1.是否我们要参加这次会议仍未被决定。Whetherweshallattendthemeetinghasn’tbeendecidedyet.陈述语序4.疑问词引导的主语从句what;which;who;whom;when;where;why;how原则:缺什么补什么Whathesaidatthemeetingsurprisedus.Whowillwinthegameisnotclear.Wherehewillgoisunknown.Whytheyhavenotleftyetpuzzled

6、me.Howwecangetthereisaproblem.1.______makesthisshopdifferentisthatitoffersmorepersonalservices.A.WhatB.WhoC.WhateverD.Whoever2.______Icanpaybackthehelpthatpeoplegivememakesmeveryhappy.A.WhereB.WhatC.ThatD.How3.It’snotclear________wasresponsiblefortheaccident.A.WhoB.WhatC.HowD.ThatAEx

7、.CA二．宾语从句宾语从句就是在复合句中作宾语的名词性从句，通常放在主句谓语动词(及物动词)或介词之后。1.作动词的宾语(1)由that引导的宾语从句(that通常可以省略),例如：Iheardthathejoinedthearmy.(2)由what,whether(if)引导的宾语从句，例如：Shedidnotknowwhathadhappened.Iwonderwhetheryoucanchangethisnoteforme.(3)动词＋间接宾语＋宾语从句。例如：Shetoldmethatshewouldacceptmyinvitation.2.作介词的宾语

8、，例如：Oursucce