名词性从句名词性从句名词性从句:一个句子充当主语,宾语,表语,同位语名词性从句主语从句表语从句宾语从句同位语从句1.Howtheprisonerescapedremainsamystery.2.Iwonderwhether/ifheisfitforthejob.3.Theproblemiswhowillbeequaltothetask.4.Hehadnoideawhetherwecouldovercomethepresentdifficultiesornot.主语宾语表语同位语连接代词who,whom,whose,which,what,连接副词how,why,when,where连接词that,whether,if只能引导宾语从句引导名词性从句的连接词连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用,在从句中充当成分。(不充当从句的任何成分)1________youdon'tlikehimisnoneofmybusiness.A.WhatB.WhoC.ThatD.Whether2—IdrovetoZhuhaifortheairshowlastweek.—Isthat_________youhadafewdaysoff?A.whyB.whenC.whatD.where3________the2008OlympicGameswillbeheldinBeijingisnotknownyet.A.WheneverB.IfC.WhetherD.That4_______youhavedonemightdoharmtootherpeople.A.ThatB.WhatC.WhichD.This找出下列句子中的错误,并总结出规律:1.Canyoutellmehowmanystudentsarethereinyourclass?2.Idon'tknowwherehashegone.3.Theowneroftheshopcametoseewhatthematterwas.Canyoutellmehowmanystudentsthereareinyourclass?Idon'tknowwherehehasgone.Theowneroftheshopcametoseewhatwasthematter.规律一:名词性从句中须使用陈述语序!找出下列句子中的错误,并总结出规律:4.Wesuggestedthatwewouldgotothecinema.5.Hisrecommendationthatwewentthereonfootisacceptable.Wesuggestedthatwe(should)gotothecinema.Hisrecommendationthatwe(should)gothereonfoot…...规律二:注意虚拟语气的使用!一个安排:arrange两个命令:ordercommand三个建议:suggestadviserecommend(propose)七个要求:require,request,demand,desire,insist,prefer,urge宾语从句中的虚拟找出下列句子中的错误,并总结出规律:7.Ifwewillhaveameetinghasn'tbeendecidedyet.8.Itdependsoniftheweatherissuitableforustodoit.9.HeaskedmeifIcouldgowithhimornot.Whetherwewillhaveameetinghasn’tbeendecidedyet.Itdependsonwhethertheweatheris…...HeaskedmewhetherIcouldgowithhimornot.规律三:4种情况只能用whether,不能用if:(1)除宾语从句之外的名词性从句(2)前面有介词;(3)与ornot连用。(4)在动词不定式之前10.Idon’tknowiftodoit.whether找出下列句子中的错误,并总结出规律:11Ithinkthatworthwhilethatwespentsomuchmoneyonthesebooks.12.Thatishardtodecidewhenandwherewewillheldoursportsmeeting.itIt规律四:主语从句和宾语从句在适当的情况下可以借助“it”而后置。1用it作形式主语,主语从句放在句末。e.g.Itdoesn’tmattersomuchwhetheryouwillcomeornot.2用it作形式宾语,真正的宾语从句放在句末Ifounditquiteasurprisethateverybodyinthatcityhasacar.补充:think/suppose/consider/believe/find/feel/make+it+宾补+that…找出下列句子中的错误,并总结出规律:13Isawheistalkingwithhermother.14.Theteachertoldhisclassthatlighttraveledfasterthansound.wastravels规律5宾语从句中1.当主句的谓语动词是一般现在时或一般将来时宾语从句不受主句影响2.当主句的谓语动词是一般过去时,宾语从句的谓语动词要用相应的过去时态。3当宾语从句叙述的内容为客观真理时,仍用一般现在时。找出下列句子中的错误,并总结出规律:15Nomatterwhobreaksthelawshouldbepunished.Whoever规律6whatever,whoever,whichever…除用于引导的名词性从句外,还可用于引导让步状语从句,可以用nomatterwhat,nomatterwho,nomatterwhich…替换。Whoevertoldyouthatwaslying.Nomatterwhotoldyouthatwaslying.正误正Whoeverphones,tellthemI’mout.Nomatterwhophones,tellthemI’mout.正名词性从句和定语从句区别1从句充当的成分不同•1Idon’tknowwhenhewillleave.•2Idon’tknowthetimewhenhewillleave.•3ThatiswhomIwanttosee.•4ThatisthegirlwhomIwanttosee.定定名名定语从句和同位语从句的区别:1修饰的名词不同定语从句的先行词可以是各类名词,而可同位语从句的名词是抽象名词(常用名词有belief,fact,idea,view,question,hope,news,doubt,thought,information,opinion,suggestion,order,demand,wish,possibility,message等)Thefactorythatwevisitedyesterdayisachemicalone.TheyexpressedthehopethattheywouldcometovisitChinaagain.2连接词及其充当的成分不同定语从句的关系代词从句中先行词主语宾语定语指代人指代物2.关系副词_______,______,______who(that)whom(that)省whosewhichthatwhichthat省whosewhenwherewhy连接代词who,whom,whose,which,what,连接副词how,why,when,where连接词that,whether,if引导名词性从句的关联词Ihavenoideawhostolemybag.•1Wordcamethathewouldcometoseeusall.•2Wordcamethatherefusedtobelieve.•Anideahitmethatwecangotherebyboat.•3Ihavenoideawherehewasborn.•4Heleftthesmalltownwherehewasborn.