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1、宾语从句概述用作宾语的从句叫宾语从句。that引导词if,whether特殊疑问词语序一般语序语序不变主句为一般现在时时态主句为一般过去时从句为客观真理主句为Could/Would/Willyou…宾语从句在句中可作及物动词的宾语、介词的宾语或形容词的宾语。Iknowthathehasreturned.(动词的宾语)Iamsurprisedthatyoudidn’thearaboutitbefore.(形容词的宾语)Iamcuriousthatwhathewillsay.(介词的宾语)一、宾语从句的引导词1.宾语从句为陈述句时，引导词
2、通常用that，无实在意义，一般情况下可省略。e.g.Idon’tknow(that)heisleavingfortheUS.以下情况that不可省略：1）and连接两个或多个宾从，第二个以及后面的宾从中that不可省略。e.g.EverybodycouldseewhathappenedandthatTomwasfrightened.2)that引导的宾从做except，in,but,besides等少数介词的宾语时，that不可省略。e.g.Iknownothingabouthimexceptthatheisfromthesouth
3、.3)that从句位于句首时，that不可省略。e.g.ThatheeversaidsuchathingIdidn’tbelieve.4)主句谓语动词与that从句之间有插入语，that不可省略。e.g.Hetoldme,believeitornot,thathewouldbuyacar.5)that引导的宾语从句中又含有从句时，that一般不可省略。e.g.Ithinkthatifyoustudyhard,youwillpassthetest.2.从句为一般疑问句时，引导词用if或whether，意为“是否”。一般情况下if和whe
4、ther可互换.但以下几种情况只能用whether，1）当从句中有or/ornot时，只能用whether。2）引导词后为动词不定式时，只能用whether。3）从句作介词的宾语时，只能用whether。e.g.Sorry,Idon’tknowwhethertoholdtheautumnsportsmeetnextweek.Iwanttoknowwhetherwearegoingtoholdthesportsmeetornot.Ihaven’tsettledthequestionofwhetherI’llgobackhome.[真题]
5、1.Wedon’tknow__________itnext.Let’sgoandaskMr.Li.【11重庆】A.whattodoB.todowhatC.whethertodoD.todowhether2.We’llplanttreestomorrow,andIdon’tknow__________Tomwillcomeandjoinus.【11天津】A.whetherB.whichC.whatD.where3.—IsTomstillinNewYorkoralreadybackathome?【12十堰】—I’mnotsure_____
6、_____.I’llcalltomakesure.A.howhewillbebackB.thathehascomebackC.whyhehascomebackD.ifhehasbeenback4.—WhataboutgoingtotheSouthLakeforapicnicnextweekend?—OK.ButI’mnotsure__________itwillrain.【12绵阳】A.whyB.whereC.whenD.whether5.Doyouknow__________Zunyiornottomorrow?【12黔西南】A.w
7、hetheraretheyleavingforB.whethertheyareleavingforC.iftheyareleavingforD.ifaretheyleavingfor【答案】1-5CABDB【解析】1.B和C选项的形式不对，因为句子中有it故A选项是错误的，只能用whethertodo。2.从句为一般疑问句时，引导词用whether/if。3.从句为一般疑问句时，引导词用whether/if。4.从句为一般疑问句时，引导词用whether/if。5.从句中有ornot时，只能用whether，且从句语序要用陈述语序。3
8、.从句为特殊疑问句时，引导词用特殊疑问词，经常有who,whom,whose,what,which,when,where,how,why,whoever,whatever,wherever,whenever.e.g.Iw
