初中英语宾语从句复习课件(PPT-22张)

ObjectClauses宾语从句专项复习一．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三.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.FindouttheObjectClausesWeareproudofthatBeijingisoneofthebiggestcitiesintheworld.Shehopesshecanpasstheexam.TheteachertoldusTomdidn’ttellalie.Ihearhewillbebackinanhour.二.宾语从句的引导词1.陈述句作宾语从句,由来充当引导词连接主从句。thatthatthatthatthat可省略。1)Doyouknowbookitis（这是谁的书）?2)Couldyoutellmethetrainislate（火车为什么迟到）？3)Heaskedusweleft（我们什么时候离开）.2.特殊疑问句作宾语从句,由充当引导词来连接主从句。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。二.宾语从句的引导词whosewhywhen特殊疑问词1)Issheright?Iwanttoknow.Iwantknowsheisright.2)Canyouswim?Sheaskedme.SheaskedIcouldswim.一般疑问句作宾语从句,由充当引导词来连接主从句。二.宾语从句的引导词if/whetherif/whetherif/whetherIf与whether的区别1.Idon’tknow_____hewillcomeornot.2.Idon’tcareof______heishandsome.3.Hewondered______tostayherethenextweek.与ornot连用只能用whether介词后的宾语从句只能用whether与todo不定式连用只能用whetherwhetherwhetherwhether将下列问句变成陈述句。1.Canheswim?→swim.2.Doeshehaveapen?→apen.3.Wheredidhegot?→.4.What'swrongwithyou?→.5.Whathappenedtoyou?→.6.Whichisthewaytothestation?→.想一想为什么4，5，6语序不变？HecanHehasWherehewentWhathappenedtoyouWhat'swrongwithyouWhichisthewaytothestation陈述语序－“主语在前，谓语在后”的顺序A.Whatishedoing?Heaskedme___________________whathewasdoing.B.WheredoesJimgo?Everyonewantstoknow______________whereJimgoes.D.Whoiswaitingforher?Pleasetellme_____________________whoiswaitingforher.宾语从句要用_______语序。“主语在前，谓语在后”的顺序。陈述C.Whoishewaitingfor?Couldyoutellme。whoheiswaitingfor?练一练四.宾语从句中时态的变化Ihear(that)Jim(be)aworkertwoyearsago.Jim(be)anEnglishteachernow.Jim(cook)dinnertomorrow.Jim(sing)apopularsongnow.Jim(be)totheGreatWalltwice.Jim(play)basketballatnineo’clockyesterdaynight.Jim(learn)1000Chinesewordsbytheendoflastsemester.填一填wasiswillcookissinginghasbeenwasplayinghadlearned1.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。（需要性原则）任何时态2.当主句是一般过去时的时候，宾语从句必须运用，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)Hehiswork.Hesaid辨一辨wouldgowaswasreadinghadfinished四.宾语从句中时态的变化相应的过去的某一种时态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，仍用用。（特殊性原则）Hetoldme(that)SummerisafterSpring.Iwastold(that)thesunismuchbiggerthanthemoon.Myparentstoldme(that)nonewsisgoodnews.比一比一般现在时练一练1.IhearJim________(arrive)twodaysago.2.SheoftenasksmewhereI______(go)nextyear.arrivedwillgo3.Whatishedoing?Heaskedme________________________whathewasdoing.4.HecanspeakJapanese.Hesaid______________________________(that)hecouldspeakJapanese.5.Lighttravelsfasterthansound.Hesaid______________________________(that)lighttravelsfasterthansound.6.Theearthgoesroundthesun.Hesaid______________________________(that)theearthgoesroundthesun.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did一般过去时haddone一般将来时woulddo现在进行时was/weredoing现在完成时haddone练一练1.Idon’tknowwhatIshalldonext.(变为简单句）→Idon’tknownext.2.Johndidn’tdecidewhichbookhewouldbuy.(变为简单句）→Johndidn’tdecide.3.Canyoutellmehowtogettothebusstop?(变为复合句）→Canyoutellmethebusstop?4.PleasetellLucyhowtousetheMP5.(变为复合句）→CanyoutellLucytheMP5.比一比Idon’tknowwhereIshouldgo.TellmehowIcandoit.Idon’tknowwheretogo.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。五.宾语从句与简单句的转换①②WhattodowhichbooktobuyhowIcangettohowshecanuse条件：(1)主主从主(2)主宾从主六.否定前移Hewon’tgoswimming.Ithink.Idon’tthink.thathewillgoswimming.当宾语从句表示否定的意义、主句为第一人称、动词为think、expect、believe、guess、imagine、suppose时，常将从句的否定移到主句上。七.if/when具有双重意义1.Iwanttoknowifhe_______(come)tomorrow.Ifhe_______(come).Pleasetellme.2.Couldyoutellmewhenhe________(come)?Pleasetakehimtoschoolwhenhe_____(come).if：引导宾语从句或条件状语从句；when：引导宾语从句或时间状语从句。当if/when引导宾语从句，根据实际情况选用时态；当if/when引导状语从句，应遵循“”原则。willcomecomeswillcomecomes主将从现宾语从句三要素引导词that（陈述句）if／whether（一般疑问句）特殊疑问词（特殊疑问句)时态主句为一般现在时从句可为任何时态主句为一般过去时从句一般过去时过去将来时过去进行时过去完成时语序宾语从句的语序都为陈述句语序客观真理自然现象公式定理名言警句时态不变七.本课小结Ⅰ.Findoutthemistakesandcorrectthem.1Couldyoutellmewheredotheylive?2SheknewthatDannyisastudent.3Hetoldmethatwinterwascolderthanautumn.4Doyouknowwhocaritis?wasiswhose六.课堂检测1.Couldyoutellme?A.wherethetwinswereB.wherethetwinsareCwherearethetwins2.A:Doyouknow?B:Yes,hecameherebytrain.A.whenhecamehereB.ifhewillcomehereC.whyhecamehereD.howhecamehere3.ShesayssheEnglishfortenyears.A.learnedB.haslearnedC.waslearningD.havelearned4.Theteachertoldusthattheearthround.A.wasB.isC.willbeD.wouldbe5.Tellme.A.whatwrongiswithhimB.what'swrongtohimC.whatthematteriswithhimD.what'sthematterwithhim6.Myfriendaskedme.A.whoisthegirlB.whothegirlwasC.whowasthegirlD.whothegirlⅡ.Choosetherightanswers.BDBBDBThanks