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表语从句Eg.（例子）①Thepersonstoodinfrontofyoujustnowismyheadmaster.刚才站在你前面的那个人是我的校长。②Ididn’tknowthatitwasyouatthattime.当时我不知道那是你。③Thedoorremainedclosed.门仍然关着。④Mary’sdailyjobiscleaningthehouse.玛丽的日常工作就是打扫这间房子。⑤Thehouseisnotonlylargebutalsobeautiful.这所房子不仅大而且漂亮。⑥WhenIwenttoyourhouse,youwereout.当我到你家的时候，你不在家。⑦Noonewasinthedorm,whenshearrived.当她到达的时候，宿舍里没有人。⑧MyjobistoteachyouEnglish.我的工作是教你们英语。⑨Thereasonwhyhecamelatewasthathisclockdidn’twork.他迟到的原因是他的闹钟坏了。2.表语从句的构成主语+系动词+引导词+简单句Thisiswhyhedidit.表语从句放在连系动词之后，充当复合句中的表语。可以接表语从句的系动词有：1:be（being,been,am,is,are,was,were)2:feel,seem,look,appear,sound,taste,smell3:stand,lie,remain,keep,stay4:become,get,grow,turn,go,come,run,fall5:prove,turnout连接词：that/whether/asif/asthough(if不引导表语从句)连接代词：who/whom/whose/which/what连接副词：when/where/why/how/becausePredictiveclause表语从句1.that1)that在从句中不担任句子成分，无实际意义，一般不能省略2)在表“建议，劝说，命令”的名词idea,suggestion,request,proposal等后面的表语从句中，谓语动词用“should+动词原形”，should可省略1)Myopinionisthatit’sgettingbetterandbetter.2)Mysuggesstionisthatwe(should)startearlytomorrow.•whether在表语从句中表,但不充当句子的成分。if引导表语从句.如:1.Whatthedoctorreallydoubtsiswhethermymotherwillrecoverfromtheseriousdiseasesoon.2.Thequestioniswhetheritisworthdoing.“是否”不能asif,asthough引导的表语从句asif/though引导的表语从句常置于连系动词look,seem,sound,be,become等后面，常用虚拟语气如果是事实，就用陈述语气，如果与事实不符，就用虚拟语气(主句一般现在时从句就用过去式，be的话变成were。主句是过去式，从句用过去完成时)。e.g.••Shelooksasifsheisworriedaboutherfather’sdisease.ItlooksasifhewereherownfatherDarkcloudsaregathering.Itlooksasifit’sgoingtorain.becausebecause引导表语从句通常只用于“This/That/Itisbecause…”结构中。Myangerisbecauseyouhaven’twrittentomeforalongtime.你为什么不来出席座谈会？是病了么？Whywereyouabsentfromtheforum?Wasitbecauseyouwereill?填空:Thereasonwhywedidn'ttrusthimis______hehasoftenlied．reason做主语时，表语从句只能用that引导,不能用why引导。句型结构为：Thereason(why…/for…)is/wasthat….Thereasonisthat……that例题2：Thereasonwhyhefailedis________hewastoocareless.A.becauseB.thatC.forD.becauseofBthat,why与because•虽然三者均可引导表语从句，但that没有词义，而why和because有自己的意思；另外，虽然why和because都可引导表语从句，但前者强调结果，后者强调原因。如：•Thereasonwasthatyoudon’ttrusther.原因是你不信任她。•Hewasill.That’swhyhewassenttothehospital.他病了，所以被送到医院来。•Hewassenttothehospital.That’sbecausehewasill.他被送到医院，是因为他生病了。连接代词who,whom,whose,what,which,whoever,whatever,whichever连接副词where,when,how,why。Theproblemiswhowecangettoreplaceher.问题是我们能找到谁去替换她呢。Thequestionishowhedidit.问题是他是如何做此事的。Thatwaswhatshedidthismorningonreachingtheattic.那就是她今晨上了阁楼干的。Thatiswherehewasborn.那就是他出生的地方。小结：1.表语从句的构成:引导词+简单句2.引导词:｛连词that,whether,as,asif连接代词who,what,which连接副词when,where,how,why3.3个注意点:①if不引导表语从句②主语为reason时，引导词用that③语序1.Thequestionis________wewillhaveoursportsmeetnextweek.2．Thereasonwhyhefailedis________hewastoocareless.whetherthat2.---Areyoustillthinkingaboutyesterday'sgame?---Oh,that's_______.A.whatmakesmefeelexcitedB.whateverIfeelexcitedaboutC.howIfeelaboutitD.whenIfeelexcitedA解析：这是由what引导的一个表语从句，在从句中充当主语，这句话的意思为：那是使我感到兴奋的事。故答案为A。2.---IdrovetoZhuhaifortheairshowlastweek.---Isthat_______youhadafewdaysoff?A.whyB.whenC.whatD.where解析:这是一个由why引导的表语从句,表示原因.这句话的意思是这就是你离开的原因吗?。故答案为A。A10.Theproblemis_______hehasenoughtime.A.ifB.whetherC./D.that11.Hemadeapromise_______hewouldhelpme.A.whatB.whenC.thatD.which12.Iremember_______thisusedtobeaquietvillage.A.howB.whenC.whereD.what13.Itisgenerallyconsideredunwisetogiveachild_______heorshewants.A.howeverB.whateverC.whicheverD.whereverBCBB