初中英语宾语从句复习课件

MainlyRevision,ObjectClauses,宾语从句,一教学任务复习宾语从句二教学重点1.宾语从句的概念2.宾语从句的引导词3.宾语从句中的语序4.宾语从句的时态变化,教学难点1.if与whether的区别2.when与if引导的宾语从句和状语从句3.宾语从句与简单句的互换,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,简单句,复合句,一什么是宾语从句？,试比较,DoyouknowwhoisthefirstChineseastronaut(宇航员)?Ourteachertoldusthattheearthgoesaroundthesun.Pleasetellmewhereshehasgone.Idontknowifhewillcometonight.Letsfindoutwhatsontonight.,FindouttheObjectClauses,WeareproudofthatBeijingisoneofthebiggestcitiesintheworld.,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)Doyouknowwhosebookitis?（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,二.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.TheydidntknowwhetherTomcouldcomebackornot.,if/whether引导宾语从句表示“是否”之义，在句中不充当句子成份。if/whether可互换,但whetherornot为固定搭配.,看一看：Idontknowifitwillraintomorrow.Ifitrains,Illstayathome.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。,If与whether的区别,Idontknow_hewillcomeornot.Idontcareof_heishandsome.Hewondered_tostayherethenextweek._hewillcomeisnotdecided.,与ornot连用只能用whether,介词后只能用whether,与todo不定式连用只能用whether,作主语只能用whether,HelensaysthatshewilllearnFrenchnextyear.Doyouknowwherehecomesfrom?HeaskedmeifIcouldgettothebusstationontime.,三.宾语从句的语序,无论主句是陈述句还是疑问句，宾语从句都是运用陈述句的语序，即是“主语在前，谓语在后”的顺序。,四.宾语从句中时态的变化,填一填,was,is,willcook,issinging,hasbeen,wasplaying,hadlearned,1.当主句是一般现在时，宾语从句的时态不作限制，我们可以根据句子的需要使用任何一种时态。（需要性原则）,2.当主句是一般过去时的时候，宾语从句必须运用相应的过去的某一种时态，从而达到主句和从句的相互一致。（呼应性原则）,1)HewillgotoHongKong.2)Heissick.3)Heisreadingabook.4)Hehasfinishedhiswork.,1)HetoHongKong.,2)Hesick.3)Heabook.4)He,辨一辨,wouldgo,was,wasreading,hiswork.,hadfinished,确定从句的时态(根据主句时态),主句时态,从句时态,连接前,连接后,一般现在时,时态保持不变,一般过去时,一般现在时,一般过去时,一般过去时,过去完成时,一般将来时,过去将来时,现在进行时,过去进行时,现在完成时,过去完成时,3.当宾语从句说明的是客观存在的事实或者是客观存在的真理时，就不用受到主句时态的限制，仍是用一般现在时态。（特殊性原则）,Hetoldme(that),SummerisafterSpring.,Iwastold(that),thesunismuchbiggerthanthemoon.,Myparentstoldme(that),nonewsisgoodnews.,比一比,比一比IdontknowwhereIshouldgo.TellmehowIcandoit.Idontknowwheretogo.Tellmehowtodoit.你有什么发现？结论：由连接代词和连接副词引导的宾语从句疑问词+todo的简单句。条件：(1).主主从主(2).主(间)宾从主练一练1.IdontknowwhatIshalldonext.(变为简单句）Idontknownext.2.Johndidntdecidewhichbookhewouldbuy.(变为简单句）Johndidntdecide.3.Canyoutellmehowtogettothebusstop?(变为复合句）Canyoutellmethebusstop?4.PleasetellLucyhowtousetheMP5.(变为复合句）CanyoutellLucytheMP5.,五.宾语从句与简单句的转换,Whattodo,whichbooktobuy,howIcangetto,howshecanuse,.Findoutthemistakesandcorrectthem.1Couldyoutellmewheredotheylive?2SheknewthatDannyisastudent.3Hetoldmethatwinterwascolderthanautumn.4Doyouknowwhocaritis?,was,is,whose,六.课堂检测,Couldyoutellme?A.wherethetwinswereB.wherethetwinsareCwherearethetwinsA:Doyouknow?B:Yes,hecameherebytrain.A.whenhecamehereB.ifhewillcomehereC.whyhecamehereD.howhecamehere3.ShesayssheEnglishfortenyears.A.learnedB.haslearnedC.waslearningD.havelearned4.Theteachertoldusthattheearthround.A.wasB.isC.willbeD.wouldbe5.Tellme.A.whatwrongiswithhimB.whatswrongtohimC.whatthematteriswithhimD.whatsthematterwithhim6.Myfriendaskedme.A.whoisthegirlB.whothegirlwasC.whowasthe