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1、WelcomeThePredicativeClause表语从句表语:表语是用来说明主语的身份、性质、品性、特征和状态的。它的位置在连系动词(be,become,appear,look,feel,seem,remain…)之后。Wearestudents.Ifeelbettertoday.Thewaterremainsdirty.Heseemstobehappy.Hebecameasoldierayearlater.观察思考：指出句子成分HenrywasanAmericanbusinessman.HenrymetanAmericanbusiness
2、man.主语表语主语谓语宾语（及物动词）连系动词（be）连系动词有：be（am,is,are,was,were）,look,seem,sound,taste,appear，feel，smell，become,remain.等Thestorysoundstrue.Heappearstoknowthis.例句：Theseorangestastegood.一、表语从句定义：Thequestioniswhowilldoit.如果句子的表语也是由一个句子充当的,那么这个充当表语的句子就叫做表语从句。放在连系动词之后，充当复合句中的表语。表语从句Myopin
3、ionisthathewillnotagree.Thatiswhysheissohappy.Itlooks/seemsthatitisgoingtorain.Thequestioniswhetherwecanfinishourworkbytomorrow.Theproblemremainswhowillgo.Thatiswhathewants.Thatiswhereyouwereborn.Thatiswhenwemeteachother.二、表语从句构成Hissuggestionisthatweshouldstaycalm.Thatiswhysh
4、ewaslate.引导词引导词（系动词）+引导词+简单句注意：简单句用陈述语序三、引导表语从句的引导词1.从属连词as,asif/though引导的表语从句Helookedjustashehadlookedtenyearsbefore.Itsoundsasifsomeoneisknockingatthedoor.他看起来还与十年前一样。听起来好像有人在敲门。2.because,why引导的表语从句例句：(1)That’sbecausehedidn’tunderstandme.(2)That’swhyhegotangrywithme.那是因为他不理
5、解我。那正是他对我生气的原因。(强调原因）（强调结果）3.连接代词who,whom,whose,whoever,what,whatever,which,whichever,连接副词where,when,how(1)Theproblemiswhowecangettoreplaceher.(2)Thequestionishowhedidit.(3)Thatiswherehewasborn.问题是我们能找到谁去替换她呢。问题是他如何做此事的。那就是他出生的地方。4.从属连词that，whether(1)ThetroubleisthatIhavelost
6、heraddress.(2)Myquestioniswhetherheleft(ornot).麻烦是我把她的地址弄丢了。我的问题是他是否离开了。that在表语从句中不充当任何句子成分，也没有任何意义,不能省略。四.使用虚拟语气的表语从句在表示建议、劝告、命令含义的名词后的表语从句，谓语动词需用"should+动词原形"表示，should可省略。常见的词有：advice,suggestion,order,proposal,plan等。Mysuggestionisthatwe(should)studyhard.例题1：Thequestionis___
7、_____wewillhaveoursportsmeetnextweek.A.thatB.ifC.whenD.whetherD注意点1：if不能引导表语从句例题2：Thereasonwhyhefailedis________hewastoocareless.A.becauseB.thatC.forD.becauseofB注意点2：主句主语为reason,只能用that引导表语从句，不能用because.注意点3：如果从句是特殊疑问句，用陈述句语序Theproblemis_________totaketheplaceofJohn.A.whocanw
8、egetB.whatwecangetC.whowecangetD.thatwecangetC小结：1.表语从句的构成:引导词+简单句2.
