ObjectClauses宾语从句考点分析1.宾语从句的引导词2.宾语从句中的语序3.宾语从句的时态变化教学难点1.if与whether的区别2when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?试比较句子结构:主句+引导词(连词)+宾语从句1.Ourteachertoldusthattheearthgoesaroundthesun.2.Pleasetellmewhereshehasgone.3.Idon’tknowifhewillcometonight.4.Let’sfindoutwhat’sontonight.5.WeareproudofthatBeijingisoneofthebiggestcitiesintheworld.FindouttheObjectClauses引导词语序时态宾语从句三要素一、引导词(连词)1.当宾语从句是陈述句时(包括肯定句/否定句),1.Hesaid,“lifeisbetterthanbefore”.2.Hesays,“Tomisagoodstudent”.Hesaid(that)lifewasbetterthanbefore.Hesays(that)Tomisagoodstudent.连词由that引导,因为that在从句中不作任何成分,也没有任何具体意思,因此在口语或非正式文体中常省略。2.当宾语从句是一般疑问句时,1.Sheasked,“Dotheyoftencomehereearly?”2.“WilltheygotovisittheGreatWall?”heasked.Sheaskedif/whethertheyoftencamehereearly.Heaskedif/whethertheywouldgotovisittheGreatWall.由连词whether或if引导(口语中常用if),译为“是否”,不能省略。If与whether的区别1.Idon’tknow_____hewillcomeornot.2.Idon’tcareof______heishandsome.3.Hewondered______tostayherethenextweek.4._____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whether1).Doyouknowif______backnextweek?Ifhe______back,pleaseletmeknow.(条件句)A.hecomes,willcomeB.willhecome,comesC.hewillcome,comesD.hewillcome,willcome连词if和when在不同从句中的区别:C2).Idon’tknowwhenhe_________(come).Ican’twaithereanymore.Whenhe_______(come),wouldyoupleaseaskhimtocallme?willcomecomes主句从句一般将来时态一般现在时态祈使句含有情态动词if如果,假如when当…时if是否when何时,根据句子的需要使用任何一种时态。不影响句子时态3.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)二、语序宾语从句的语序用陈述语序:主句+引导词+主语+谓语+其他1.陈述句——基本不变Hesaid,“LucyisyoungerthanTom”.Hesaid(that)LucywasyoungerthanTom.Hesays(that)Tomisagoodstudent.Hesays,“Tomisagoodstudent.”2.问句——还原为陈述语序1)be动词、情态动词及助动词(包have/has)放到从句主语之后;助动词do/does/did应删去,谓语动词根据实际情况而变。1.WhoisJimwaitingfor?Iknow2.CanLilycarrythebasket?Iknow3.WheredidAnnagoyesterday?IknowJimiswaitingfor.Lilycancarrythebasket.Annawentthedaybefore.whowhether/ifwhere下列句子改为宾语从句时语序不变What’sthematter?What’swrong?Whathappenedtoyou?What’shappening?WhoteachesyouEnglish?首页末页()1.—CouldyoutellmeyuanxiaoinChina?—UsuallyatLanternFestival.A.whendopeopleeatB.howdopeopleeatC.whenpeopleeatD.howpeopleeat考点突破C()2.—Jack,couldyoutellmefortravellingthissummer?—WeplantogoandseethebeautifulseainHainan.A.whereyourfamilywillgoB.howwillyourfamilygoC.howyourfamilywillgoD.wherewillyourfamilygoA英语首页末页()3.Idon’tunderstandsuchasillyquestioninclassyesterday.A.whydidJohnaskB.whyJohnaskedC.whyisJohnaskingD.whyJohnasks4.—So,canyoutellmeheretoday?—Well,IwaswalkingdownCentreStreetwhenaUFOlanded.A.whatdidyouseeB.whatyousawC.whendidyouseeitD.whenyousaw()5.—Dad,canyoutellmetothepark?—Thedayaftertomorrow.A.whenwearegoingB.whenwewentC.whenarewegoingD.whendidwegoBBA英语首页末页()6.Ihavetwoticketsforthebasketballmatch.Iwonder.A.whereyoubuytheticketsB.whyyouliketogothereC.ifyou’dliketocomealongD.whenyouwatchthematch()7.—Wehavenoidea.—It’sheardthatheisMr.Green’sson.A.wherehecomesfromB.ifdoeshelivehereC.whoheisD.whoishe()7.—Excuseme,canyoutellme?—Sorry,Idon’tknow.Youcangototheinformationdesk.A.thatthereisatrainB.whenthetrainleavesC.whichtraincanItakeD.wheredoesthetraingoCCB三.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)basketballwhenhisfathercameback.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任何一种时态。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。1)HewillgotoHongKong.2)Heissick.3)Heisreadingabook.4)Hehasfinishedhiswork.1)HetoHongKong.2)Hesick.3)Heabook.4)HeHesaid辨一辨wouldgowaswasreadinghiswork.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could/would是委婉语气,而不是过去式,因此宾语从句的时态根据实际情况用不同时态。注意事项1.Couldyoupleasetellmewhereweshowourtickets?2.Wouldyouliketoknowwhenhewillcomeback?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。Hetoldme(that)SummerisafterSpring.Iwastold(that)thesunismuchbiggerthanthemoon.Myparentstoldme(that)nonewsisgoodnews.比一比首页末页()1.—Iwonderat8:00lastnight?—IwaswatchingNBA.A.whatwereyoudoingB.whatdidyoudoC.whatyouweredoingD.whatareyoudoing()2.Idon’trememberthebookyesterday.A.whereIputB.wheredidIputC.wherewillIputD.whereIwillput()3.—Idon’tknow.—Becausehehastolookafterhismother.A.whyheisleavingB.whyisheleavingC.whetherheisleavingD.whetherisheleavingC练习题AA首页末页()4.Canyoutellme?A.howmuchistheredsweaterB.howmuchtheredsweaterisC.what’sthepriceoftheredsweaterD.howmanytheredsweateris()5.—Excuseme,couldyoutell?—Yes.Goalongthisstreetandyouwillfinditonyourleft.A.whereisthemuseumB.whichisthewaytothemuseumC.howfaristhemuseumD.howcanIgettothemuseum()6.—Couldyoutellme?—Atnineo’clock,intenminutes.A.howwillheleaveB.whenhehasleftC.whyheisleavingD.whenhewillleaveBBD首页末页()7.Thewomanaskedthepolicemanwhere.A.thepostofficeisB.wasthepostofficeC.isthepo