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1、表语从句表语从句表语表语结构：放在系动词之后结构：放在系动词之后作用：说明主语的身份、性质、品性、作用：说明主语的身份、性质、品性、特征和特征和状态的状态的成分：表语常由名词、形容词、副词、介词短语、不定式、动词成分：表语常由名词、形容词、副词、介词短语、不定式、动词的的-ing、从句来充当。、从句来充当。1. This is an English-Chinese dictionary. 2. The dinner smells good. 3. He fell in love. 4. My job is to teach you English.5. The question is who
2、will do it. 表语从句表语从句主语主语 + 系动词系动词 + 引导词引导词 + 其他成分其他成分Thisiswhyhedidit.分析：WhatIwanttosayisthatIamtired.可以接表语从句的可以接表语从句的系动词系动词有：有：1:be动词动词2:感官动词：感官动词：feel,seem,look,appear,sound,taste,smell3:表示状态：表示状态：remain,keep,stay4:表示变化：表示变化：become,get,grow,turn,go,fall5:证明：证明：prove,turnout系动词的固定搭配系动词的固定搭配:cometru
3、e,fallasleep,fallill,gobad连接词：连接词：that / whether /as if /as though连接代词：连接代词：who / whom / whose / which / what 连接副词：连接副词：when / where / why / how / because 引导词引导词thatThefactisthatourteamhaswonthegame.1）that在在从从句句中中不不担担任任句句子子成成分分，无无实实际际意意义义，一一般般不能省略不能省略2)主 语 是 “建 议 ， 劝 说 ， 命 令 ”的 名 词 ， 如 idea,suggesti
4、on,proposal,order,request,表语从句中谓语动词用“should+动词原形”，should可省略我的建议是我们明天早点离开。Mysuggestionisthatwe(should)leaveearlytomorrow.连接词：连接词：that / whether /as if /as thoughWhether是否是否Thequestioniswhetheritisworthdoing.注意：注意：if不能引导表语从句不能引导表语从句连接词：连接词：that / whether /as if /as thoughasif,asthough好像，似乎好像，似乎常置于连系动词
5、常置于连系动词look,seem,sound,is,become等后面等后面It+连系动词（连系动词（look/seem/appear）+that/asif从句从句看起来似乎看起来似乎他似乎知道所有事情。他似乎知道所有事情。Itseemsasifheknowseverything.连接词：连接词：that / whether /as if /as thoughItsoundsasif/thoughsomebodywasknockingatthedoor.asif/asthough引引导导的的表表语语从从句句如如果果是是事事实实，就就用用陈陈述述语语气气，如果与事实不符如果与事实不符,就用虚拟语
6、气就用虚拟语气Itlooksasifhewereherownfather.(与事实不符)Itlooksasifsheisworriedaboutherfathersdisease.(与事实相符)Itlooksasifitsgoingtorain.Itwasasthoughheweremad.连接词：连接词：that / whether /as if /as though精典名题精典名题 Whenapencilispartlyinaglassofwater,itlooksasifit_. A.breaks B.hasbroken C.werebrokenD.hadbeenbroken becau
7、se因为因为引引导导表表语语从从句句通通常常只只用用于于“This/That/Itisbecause”结结构中。构中。我昨天没有去上班，是因为我生病了。我昨天没有去上班，是因为我生病了。Ididntgotoworkyesterday.ThatsbecauseIwasill.why的原因的原因Ididntdomyhomework,thatswhyIwaspunishedbymyfather.WHY与与BECAUSE引导表语从句时的区引导表语从句时的区别别 why前者强调结果，前者强调结果，because后者强调原因后者强调原因。Hewasill.Thatswhyhewassenttothehos
8、pital.Hewassenttothehospital.Thatsbecausehewasill.例题例题2：Thereasonwhyhefailedis_hewastoocareless.A.becauseB.thatC.forD.becauseof B注意点注意点2： 主句主语为主句主语为reason,只能用只能用that引导表语从句，不可用引导表语从句，不可用because.句型：句型：thereason(why)isthat.我不说话的是因为我害羞。我不说话的是因为我害羞。ThereasonwhyIdontspeakisthatImshy.Theproblemiswhocanhelp
9、her.Thequestionishowhemadeit.Hehasbecomewhathewantedtobetenyearsago.Thatiswherehewasborn.连接代词连接代词&连接副词连接副词where,when,why,how引导的表语从句引导的表语从句连接副词充当时间、地点、方式、原因状语，本身具连接副词充当时间、地点、方式、原因状语，本身具有词义。有词义。e.g.ThatswhereIcantagreewithyou.ThisiswhySarawaslateforthemeeting.Thisishowtheyovercomethedifficulties.Mystr
10、ongestmemoryiswhenIattendedanAmericanwedding.注意：注意：表语从句中的表语从句中的不能省略不能省略表语从句中只能用表语从句中只能用whether不能用不能用表语从句中，从句用表语从句中，从句用语序语序主语为主语为thereason时，引导词用时，引导词用thatif陈述句陈述句that2.-I drove to Zhuhai for the air show last week. -Is that_ you had a few days off?A.why B.when C.what D.where A4.Whenyouanswerquestions
11、inajobinterview,pleaserememberthegoldenrule:Alwaysgivethemonkeyexactly_hewants.A.whatB.whichC.whenD.thatA1.Thequestionis_wewillhaveoursportsmeetnextweek.A.thatB.ifC.whenD.whether2Thereasonwhyhefailedis_hewastoocareless.A.becauseB.thatC.forD.becauseof3.WhatIwanttoknowis_helikesthegiftgivenbyus.A.that
12、B.ifC.whetherD.不填4.Thereasonis_Imissedthebus.A.thatB.whenC.whyD.what5.Theproblemis_hehasenoughtime.A.ifB.whetherC./D.that6.Hemadeapromise_hewouldhelpme.A.whatB.whenC.thatD.which12.Iremember_thisusedtobeaquietvillage.A.howB.whenC.whereD.whatBCBMAKE A SENTENCE事实是他没有做真正的努力。The fact is that he doesnt really try.我的建议是我们不应该告诉他。My suggestion is that we should not tell him.问题是我们应该相信谁。The question is who/whom we should trust. 我想知道的是我们应该走那条路。What I want to know is which road we should take.
