高中英语语法精讲之表语从句

ThePredicativeClause

表语从句Definition在复合句中起名词作用的从句叫做名词性从句。它包括主语从句、宾语从句、表语从句和同位语从句。Thattheearthturnsaroundthesunisknowntoall.Iwanttoknowwhether(if)hehaspassedthechemistry.Thetroubleisthathehasneverdonetheworkbefore.Thenewsthattheplanewouldtakeoffontimemadeeverybodyhappy.主语从句宾语从句表语从句同位语从句PredicativeClause在复合句中做表语的从句，叫做表语从句。它位于主句的系动词am,is,are,was,were,seem,look,taste,remain等之后，对主语进行解释，说明，使主语的内容具体化。可接表语从句的系动词有：1.be2.feel,seem,look,appear,sound,taste,smell3.stand,lie,remain,keep,stay4.become,get,grow,turn,go,come,run,fall5.prove,turnout

1.

这个故事听起来像是真的。

Thestorysoundstrue.2.

他似乎知道这件事。

Heappearstoknowthis.例句：3.这些桔子很好吃。Theseorangestastegood.一、表语从句定义：Thequestioniswhowilldoit.表语从句放在连系动词之后，充当复合句中的表语。

表语从句二、表语从句构成Hissuggestionisthat

weshouldstaycalm.

Thatiswhy

shewaslate.引导词引导词〔系动词〕+引导词+简单句

三、引导表语从句的关联词1.附属连词as,asif/though引导的表语从句

Helookedjustashehadlookedtenyearsbefore.Itsoundsasifsomeoneisknockingatthedoor.他看起来还与十年前一样。听起来好似有人在敲门。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.附属连词that，whether(1)ThetroubleisthatIhavelostheraddress.(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。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)startearlytomorrow.例题1：Thequestionis________wewillhaveoursportsmeetingnextweek.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.becauseof

B注意点2：

主句主语为reason,只能用that引导表语从句，不可用because.用because,that,why填空Eg.Thereasonwas______

theheavyrainpreventedhimfromcoming.Thereason

________wedidn’ttrusthimisthathehasoftenlied.Itis_______hehasoftenlied，sothatwedidn’ttrusthim.注意点3：reason后的定语从句可以用why/that引导，because一般用于it/this/that+从句句型中。becausewhythat注意点4：如果从句是特殊疑问句，用陈述句语序Theproblemis_________totaketheplaceofJohn.A.whocanwegetB.whatwecangetC.whowecangetD.thatwecangetC练习：1.Goandgetyourcoat.It’s________youleftit.A.whereB.thereC.therewhereD.wherethere2.Thereasonwhyhehasn’tcomeis___________.A.becausehismotherisillB.becauseofhismother’sbeingillC.thathismotherisillD.forhismotherisill3.Thatis_____wewerelatelasttime.A.thatB.whenC.whyD.what4._______yourfatherwantst