高中英语从句精讲与练习(附答案).doc

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1、高中英语从句讲解与练习（1）表语从句1．定义：用作表语的从句叫做表语从句。2．引导表语从句的关联词的种类：(1)从属连词that。在从句中不做成分。如：ThetroubleisthatIhavelosthisaddress.麻烦是我把他的地址丢了。Thereasonwasthathewaslateforschool.(2)从属连词whether,as,asif。如：1.Helookedjustashehadlookedtenyearsbefore.他看起来还与十年前一样。2.Thequestioniswhethertheywillbeabletohelpus.问

2、题是他们是否能帮我们。注：从属连词if一般不用来引导表语从句，但asif却可引导表语从句，如：Allthiswasovertwentyyearsago,butit’sasifitwasonlyyesterday.这都是20多年前的事了，但宛如昨天一样。Thekeyiswhetherwecansolvetheproblem.//Itlookedasifitwasgoingtorain.注：能跟表语从句的谓语动词一般为系动词be,seem,look，sound等。如：Helookedjustashehadlookedtenyearsbefore.他看起来还与十年前一

3、样。Itsoundsasifsomeoneisknockingatthedoor.连接代词who,whom,whose,what,which,whoever,whatever,whichever在表语从句中做主语、宾语等。如：Theproblemiswhowecangettoreplaceher.问题是我们能找到谁去替换她呢。Thatwaswhatshedidthismorningonreachingtheattic.那就是她今晨上了阁楼干的。Theproblemiswhowecangettoreplaceher.我想问的是谁离开了。Myquestioniswh

4、oleft.连接副词where,when,how,why。WhatIwonderiswhenheleft.我想知道他是何时离开的。Thisiswheretheyoncelived.这就是他们曾经住过的地方。Thatiswhyhedidn'tcomehere.Thequestionishowhedidit.(3)连词because可引导表语从句。如：Ithinkitisbecauseyouaredoingtoomuch.我想这是因为你做得太多。It'sjustbecausehedoesn'tknowher.That'sbecausehedidn'tundersta

5、ndme.那是因为他没有理解我.(That'sbecause...强调原因)That'swhyhegotangrywithme.那正是他对我生气的原因。(That'swhy...强调结果)(4)在一些表示“建议、劝说、命令”的名词后面的表语从句中，谓语动词用虚拟语气。should+动词原形表示，should可省略。如：Mysuggestionisthatwe(should)startearlytomorrow.我的建议是我们明天一早就出发。表语测试1.Thequestionis________wewillhaveoursportsmeetnextweek.　　A

6、.thatB.ifC.whenD.whether2．Thereasonwhyhefailedis________hewastoocareless.　　A.becauseB.thatC.forD.becauseof3.Goandgetyourcoat.It’s________youleftit　　A.whereB.thereC.therewhereD.wherethere4．Theproblemis_________totaketheplaceofTed　　A.whocanwegetB.whatwecanget　　C.whowecangetD.thatwecang

7、et5.WhatIwanttoknowis______helikesthegiftgivenbyus.　　A.thatB.ifC.whetherD.不填6.Thereasonis_________Imissedthebus.　　A.thatB.whenC.whyD.what7.Thatis_____wewerelatelasttime.　　A.thatB.whenC.whyD.what8.Shelooked_________sheweretenyearsyounger.　A.thatB.likeC.asD.asthough9.—Ifellsick!--Ithin

8、kitis_______