初中英语宾语从句复习课件(PPT22张）(教育精品).ppt

《初中英语宾语从句复习课件(PPT22张）(教育精品).ppt》由会员分享，可在线阅读，更多相关《初中英语宾语从句复习课件(PPT22张）(教育精品).ppt（22页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、ObjectClauses宾语从句专项复习一教学任务一教学任务 复习宾语从句复习宾语从句 二教学重点二教学重点 1.1.宾语从句的概念宾语从句的概念 2.2.宾语从句的引导词宾语从句的引导词 3.3.宾语从句中的语序宾语从句中的语序 4.4.宾语从句的时态变化宾语从句的时态变化 三三.教学难点教学难点1.if if与与whetherwhether的区别的区别 2.when 2.when与与if if 引导的宾语从句和状语从句引导的宾语从句和状语从句 3.3.宾语从句与简单句的互换宾语从句与简单句的互换 We know him We know he likes English.主主s s主主s

2、s谓谓v v谓谓v v宾宾o o宾宾o o宾语从句就是由一个句子来构成主句的宾语宾语从句就是由一个句子来构成主句的宾语 主主s s谓谓v v宾宾o o简单句简单句复合句复合句一什么是宾语从句？试比较Do you know who is the first Chinese astronaut(宇航员宇航员)?Our teacher told us that the earth goes around the sun.Please tell me where she has gone.I dont know if he will come tonight.Lets find out whats o

3、n tonight.Find out the Object ClausesWe are proud of that Beijing is one of the biggest cities in the world .She hopes she can pass the exam.The teacher told us Tom didnt tell a lie.I hear he will be back in an hour.二二.宾语从句的引导词宾语从句的引导词1.陈述句作宾语从句陈述句作宾语从句,由由来充当引导词连接主来充当引导词连接主从句。从句。thatthatthatthatthat

4、可省略。可省略。1)Do you know book it is（这是谁的书）（这是谁的书）?2)Could you tell me the train is late（火车为什（火车为什么迟到）？么迟到）？3)He asked us we left（我们什么时候离开（我们什么时候离开）.2.特殊疑问句作宾语从句特殊疑问句作宾语从句,由由充当引导词充当引导词来连接主从句。来连接主从句。由连接代词由连接代词who,whom,whose,which,what和连接副词和连接副词where,how,why,when引导的宾语从句，这些连词引导的宾语从句，这些连词既有词义又充当句子成份。既有词义又充当

5、句子成份。二二.宾语从句的引导词宾语从句的引导词whosewhywhen特殊疑问词特殊疑问词1)Issheright?Iwanttoknow.Iwantknowsheisright.2)Canyouswim?Sheaskedme.SheaskedIcouldswim.一般疑问句作宾语从句一般疑问句作宾语从句,由由充当引导词充当引导词来连接主从句。来连接主从句。二二.宾语从句的引导词宾语从句的引导词if/whetherif/whetherif/whetherIf与whether的区别1.I dont know _ he will come or not.2.I dont care of _ he

6、 is handsome.3.He wondered _ to stay here the next week.与与or not 连用只能用连用只能用whether介词后的宾语从句只能用介词后的宾语从句只能用whether与与to do 不定式连用只能用不定式连用只能用whetherwhetherwhetherwhether将下列问句变成陈述句。1.Canheswim?swim.2.Doeshehaveapen?apen.3.Wheredidhegot?.4.Whatswrongwithyou?.5.Whathappenedtoyou?.6.Whichisthewaytothestation?

7、.想一想想一想为什么4，5，6语序不变？HecanHehasWherehewentWhathappenedtoyouWhatswrongwithyouWhichisthewaytothestation陈述陈述语序语序“主语在前，谓语在后主语在前，谓语在后”的顺序的顺序A.Whatishedoing?He asked me_ what he was doing.B.Where does Jim go?Everyone wants to know _ where Jim goes.D.Who is waiting for her?Please tell me _ who is waiting fo

8、r her.宾语从句要用宾语从句要用_语序。语序。“主语在前，主语在前，谓语在后谓语在后”的顺序。的顺序。陈述陈述C.Who is he waiting for?Could you tell me 。whoheiswaitingfor?练一练练一练四四.宾语从句中时态的变化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)bask

9、etballatnineoclockyesterdaynight.Jim(learn)1000Chinesewordsbytheendoflastsemester.填一填填一填wasiswillcookissinginghasbeenwasplayinghadlearned1.当主句是一般现在时当主句是一般现在时，宾语从句的时态不作限制，宾语从句的时态不作限制，我们可以根据句子的需要使用我们可以根据句子的需要使用。（需要性原则）（需要性原则）任何时态任何时态2.2.当主句是一般过去时的时候当主句是一般过去时的时候，宾语从句必须运用，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

10、），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辨一辨辨一辨wouldgowaswasreadinghadfinished四四.宾语从句中时态的变化宾语从句中时态的变化相应的过去的某一种时态相应的过去的某一种时态 当宾语从句说明的是当宾语从句说明的是客观存在的事实客观存在的事实或者是或者是客观存在客观存在的真理时的真理时，就不用受到主句时态的限制

11、，仍用用，就不用受到主句时态的限制，仍用用 。（特殊性原则）。（特殊性原则）Hetoldme(that)SummerisafterSpring.Iwastold(that)thesunismuchbiggerthanthemoon.Myparentstoldme(that)nonewsisgoodnews.比一比比一比一般现在时一般现在时练一练练一练 1.I hear Jim _(arrive)two days ago.2.She often asks me where I _(go)next year.arrivedwillgo3.Whatishedoing?He asked me _ wh

12、at he was doing.4.He can speak Japanese.He said _(that)he could speak Japanese.5.Lighttravelsfasterthansound.He said _(that)light travels faster than sound.6.The earth goes round the sun.He said _(that)the earth goes round the sun.确定从句的时态确定从句的时态(根据主句时态根据主句时态)主句时态主句时态从从 句句 时时 态态连连 接接 前前连连 接接 后后一般现在时一

13、般现在时时态保持不变时态保持不变一般过去时一般过去时一般现在时一般现在时did一般过去时一般过去时had done一般将来时一般将来时would do现在进行时现在进行时was/were doing现在完成时现在完成时had done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.Plea

14、setellLucyhowtousetheMP5.(变为复合句）CanyoutellLucytheMP5.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。五五.宾语从句与简单句的转换宾语从句与简单句的转换WhattodowhichbooktobuyhowIcangettohowshecanuse条件：(1)主主从主(2)主宾从主六六.否定前移否定前移 He wont go swimming.I think

15、.I dont think .that he will go swimming.当宾语从句表示否定的意义、主句为第一人称、当宾语从句表示否定的意义、主句为第一人称、动词为动词为think、expect、believe、guess、imagine、suppose时，常将从句的否定时，常将从句的否定移到主句上。移到主句上。七七.if/when具有双重意义具有双重意义1.I want to know ifhe_(come)tomorrow.If he _(come).Pleasetellme.2.Could you tell me whenhe_(come)?Please take him to s

16、chool whenhe_(come).if if ：引导宾语从句或条件状语从句；引导宾语从句或条件状语从句；whenwhen：引导宾语从句或时间状语从句。引导宾语从句或时间状语从句。当当if/whenif/when引导宾语从句，根据实际情况选用时态；引导宾语从句，根据实际情况选用时态；当当if/whenif/when引导状语从句，应遵循引导状语从句，应遵循“”原则。原则。willcomecomeswillcomecomes主将从现主将从现宾宾语语从从句句三三要要素素引导词引导词thatthat（陈述句（陈述句 ）ififwhetherwhether（一般疑问句（一般疑问句）特殊疑问词特殊疑问

17、词（特殊疑问句（特殊疑问句)时态时态主句为一般现在时主句为一般现在时从句可为任何时态从句可为任何时态主句为一般过去时主句为一般过去时从句从句一般过去时一般过去时过去将来时过去将来时过去进行时过去进行时过去完成时过去完成时语序语序宾语从句的语序都为陈述句语序宾语从句的语序都为陈述句语序客观真理客观真理自然现象自然现象公式定理公式定理名言警句名言警句时态不变时态不变七七.本课小结本课小结.Findoutthemistakesandcorrectthem.1Couldyoutellmewheredotheylive?2SheknewthatDannyisastudent.3Hetoldmethatw

18、interwascolderthanautumn.4Doyouknowwhocaritis?wasiswhose六六.课堂检测课堂检测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.whatswrongtohimC.whatthematteriswithhimD.whatsthematterwithhim6.Myfriendaskedme.A.whoisthegirlB.whothegirlwasC.whowasthegirlD.whothegirl.Choose the right answers.BDBBDBThanks