高中英语语法主语从句.doc

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1、高中英语语法（2）主语从句★背诵要点：1、主语从句是指主语用一个从句来表达的句子，也就是说在谓语动词前面的部分是一个从句的句子是主语从句。2、主语从句的引导词有：1）连词：that,whether2）连接代词：who,what,which,whose,whom3）连接副词：where,when,how,why3、主语从句使用正常主谓语序，不能用倒装语序。4、通常主语从句用形式主语it来代替，将从句置于句末。5、that在主语从句中不能省略。例如：Whathesaidishardtoundersta

2、nd.Wherehehasgoneisunknowntousall.Thatyoufindthisexercisedifficultisquitenatural.Itisquitenaturalthatyoufindthisexercisedifficult.★注意要点：1、引导词that与whatwhat既有引导主语从句的作用,同时又在从句中作成分,这时what相当于allthat或everythingthat...,常译成"所……的(东西、事情、话等.)";而that只起连接作用,本身无实际意

3、义,在从句中也不担当任何成分.但that引导的主语从句放在句首时,不能省略that.例如:Whatisdonecan'tbeundone.(谚语)已成定局,无可挽回.2、引导词if和whether表示是否的意思时，不能用if代替whether.Ithasn'tbeendecidedwhetherhe'llcomeornot.Whetherhe'llcomeornothasn'tbeendecided.3、熟记以下变化Whoever=nomatterwho=anyonewhoWhichever=no

4、matterwhich=anyonewhichWhatever=nomatterwhat=anythingthat★基础题练习：1．_______yourfatherwantstoknowis________gettingonwithyourstudies.A.What;howareyouB.That；howyouareC.How；thatyouareD.What；howyouare2.Thetroubleis___weareshortoftools.A.whatB.thatC.howD.whyt

5、hat3.Americawas__________wasfirstcalled“India”byColumbus.A.whatB.whereC.theplaceD.therewhere4.Chinaisbecomingstrongerandstronger.Itisnolonger_________.A.whatitusedtobeB.whatitwasusedtobeingC.whatitusedtobeingD.whatitwasusedtobe5.________hereallymeansi

6、s________hedisagreeswithus.A.What…thatB.That…whatC.What…whatD.That…what6.Theenergyis________makesthecellsabletodotheirwork.A.thatB.whichC.whatD.such7.All___youtoldmeyesterdaywasserious.AwhatBwhichCthatDwhy8.____weneedmorechancestopracticespeakingEngli

7、shisquiteclear.AThatB/CWhetherDWhat9.____thatairticketsaremoreexpensivethatbustickets.AAsweallknowBAsitknowntoallCItisknowntoallDWhichweallknow10.Whereandwhen___therehasn’tbeendecided.AshallwegoBwewentCweshallgoDdidwego11.Itishardtosay__moneyyouareall

8、owedtotake.AwhateverBhowmuchCwhenDwhere12.Whetherwewillgooutforawalk___theweather.AdependsonBdependsCreliesDrelyon13Itookitforgranted____youwouldstaywithus.AwhichBwhyCwhetherDthat14.Itseems____hehasneverbeenpaidthemoney.AthatBhowCasDeventhough