初中英语宾语从句课件.ppt

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1、TheObjectClause宾语从句Weknowhim．WeknowhelikesEnglish.主s主s谓v谓v宾o宾o宾语从句就是由一个句子来构成主句的宾语主s谓v宾o简单句复合句一什么是宾语从句？试比较DoyouknowwhoisthefirstChineseastronaut(宇航员)?Ourteachertoldusthattheearthgoesaroundthesun.Pleasetellmewhereshehasgone.Idon’tknowifhewillcometonight.Let’sfindoutwhat’sontonight.FindouttheOb

2、jectClausesWeareproudofthatBeijingisoneofthebiggestcitiesintheworld.宾语从句(Theobjectclause)定义：复合句中，放在动词或介词后充当宾语的句子叫宾语从句。宾语从句学习要点：一、引导词二、语序三、时态四、宾语从句和简单句转换五、直接引语间接引语转换六、否定转移，宾语从句的反意疑问句，标点三要素2.由连接代词Who,whom,whose,which,what和连接副词where,how,why,when引导的宾语从句。这些连词既有词义又充当句子成份。e.g.1)Doyouknowwhosebookit

3、is?（谁的，作定语）2)Couldyoutellmewhythetrainislate?（为什么，作状语）3)Heaskedwhocouldanswerthequestion.（谁，作主语）注：that在句中无词义，在从句中不能充当句子成分，在口语中往往被省略。e.g.Ihear(that)hewillbebackinanhour.1.由从属连词that引导的宾语从句一.宾语从句的引导词3.由从属连词whether,if引导的宾语从句e.g.Iwanttoknowif/whethersheisright.Theydidn’tknowwhetherTomcouldcomebac

4、kornot.if/whether表示“是否”之义，在句中不充当句子成份。4.If与whether的区别Idon’tknow_____hewillcomeornot.Idon’tcareof______heishandsome.Hewondered______tostayherethenextweek.____hewillcomeisnotdecided.与ornot连用只能用whether与todo不定式连用只能用whether作主语只能用whether介词后只能用whether看一看：Idon’tknowifitwillraintomorrow.Ifitrains,I’ll

5、stayathome.Iwanttoknowwhenhewillcomeback.Whenhecomesback,pleasetellme.想一想：when和if可以引导什么从句？它们的时态有什么特点？when和if既可以引导宾语从句，也可以引导状语从句。在宾语从句中，时态根据需要确定；在状语从句中，遵循主将从现的原则。5.If/when区别练习:1.Ifit_______(rain)tomorrow，Iwon’tcome.2.Hedidn’ttellmeifit_________(rain)tomorrow.3.Idon’tknowifhe__________(come)to

6、morrow.Ifhe______(come),I’lltellyou.4.Whenit________(stop)raining,we’llgoswimming.5.Couldyoutellmewhenthefilm____________(start)?I’llleaveforamoment.wouldrainrainswillcomecomesstopswillstart如果是否是否如果当…….的时候什么时候填写合适的引导词1Canyoutellme______youwereborn,Betty?A.whoB.whatC.whenD.that2Idon'tknow___t

7、heyhavepassedtheexam.A.whatB.ifC.whenD.where3Ihardlyunderstand.___hehastoldme.A.thatB.whatC.whichD.who4Shedidn'tknow___backsoon.A.whetherhewouldbeB.ifwouldhebeC.hewillbeCABB5.Idon'tknow___hestillliveshereaftersomanyyears.A.whetherBwhereC.whatD.when