高考英语复习-名词从句和定语从句

《高考英语复习-名词从句和定语从句》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、名词性从句包括：主语从句、宾语从句、表语从句和同位语从句。Ⅰ．主语从句：在句子中充当主语主句谓语动词要用单数第三人称。Whoevercomesiswelcome.1．that引导主语从句。that引导主语从句时，仅起连接作用，不作任何成份，不能省略。有时为了保持句子平衡，把that从句后置，由形式主语it来代替。Thatshewaschosenmadeusveryhappy.Itmadeusveryhappythatshewaschosen.it作形式主语，有几种固定句型：（1）It+be+adj.+that-clauseItisnatu

2、ral/strange/important/necessarythat...很自然／奇怪的是／重要的是／必要的是……从句中的谓语动词用（should)+动词原形Itisimportantthathe(should)attendthemeeting.（2）It+be+n.+that-clauseItisafactthat...事实是……Itisanhonourthat...非常荣幸……Itiscommonknowlegethat...……是常识Itisapitythat...很遗憾……（3）It+be+过去分词+that-clauseIti

3、sreportedthat...据报道……Itisbelievedthat...据相信……Ithasbeenprovedthat...已证实……Itissaidthat...据说……特别提示在表示建议、要求、命令等意义的被动结构中，that从句中的谓语动词用（should）+动词原形。Itissuggestedthatthemeeting(should)beheldthisafternoon.（4）It+seem/happen等不及物动词+that-clauseItseems/seemedthat...似乎……Ithappens/happ

4、enedthat...碰巧……Itappearsthat...好像……Itseemsthatheiswrong.2．whether引导的主语从句“是否”从句在句首时必须用whether，置于句尾时，可换用if．Whetherhewillcomeisnotclear.Itisnotclearwhether/ithewillcome.3．wh-疑问词引导主语从句。有时也可用it作形式主语，而把wh-从句后置。Whatweneedismoretime.Itismoretimewhatweneed.Whyhedidthisisnotknown.I

5、tisnotknownwhyhedidthis.4．whatever，whoever，whomever，whenever，wherever等引导主语从句。Whoevertoldyoutogiveupsmokingwasquiteright.Whatevercausedtheaccidenthasnotyetbeenfound.Ⅱ．表语从句位于系动词be，look．remain，seem等连系动词后充当表语的从名也叫表语从句。1．that引导表语从句：that不作任何成份，只起连接作用，不能省略。Thetroubleisthatweares

6、hortofmoney.Thefactisthatheislying.2．whether引导表语从句，这时不能换用if。Thequestioniswhetherpeoplewillbuyit.3．疑问词引导表语从句Thepenciliswhereiswas.Theproblemwashowwecouldfindhim.asif，asthough引导表语从句Helooksasifhewereangry.Ⅲ．宾语从句：在句子中充当宾语that引导的宾语从句：that在从句中没有任何意义，不充当任何成份，可省略。Iknow(that)youha

7、vemethim.Let'ssuppose(that)onedaythishappenstoyou.Hetoldmethathewaswrong.在动词think，believe，suppose，expect，imagine等后is的宾语从句中的否定词前移。（主句的主语须是第一人称）Idon'tthinkyouarcright.2．wh-疑问词引导的宾语从句。Tellmewhatyouwant．Doyouknowwhowillcomeatthemeeting?误区警示whose，which，what三个词都带有形容词性质：whose“谁的

8、”，which“哪一个”，what“什么”。which是有一定的范围的。what-般没有什么特定的范围。Idon'tknowwhichfoodyouwant.Idon'tknowwhathew