初中宾语从句ppt课件

ObjectClauses宾语从句一．教学任务宾语从句二．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.when与if引导的宾语从句和状语从句2.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E.g.:1)Ihear(that)hewillbebackinanhour.2)Hesaid(that)hewantedtostayathome.1.that二.宾语从句的引导词(2012呼和浩特）——Whatdidyouteachersaythismorning?—Shetoldus___________________whywasTomlateforschoolagainwhetherwehadtoomuchhomeworkhowhedidcometoschoolthismorningthatwewouldhaveatestsoon2.由特殊疑问词who,whom,whose,which,what,where,how,why,when引导的宾语从句,这些词既有词义又在宾语从句中充当成分。e.g.1)Doyouknowwhosebookitis?2)Couldyoutellmewhythetrainislate?3)Heaskedwhocouldanswerthequestion.(2011陕西）IwastoldtomeetMr.Greenattheairport.ButIdon’tknow__________hewillarrive.A.whereB.whyC.howD.when(2011成都）——Canyoutellme______________?He’sabankclerk.WhoyourfatherisWhatyourfatherdoesWhereyourfatherworks(2012浙江温州）——Canyoutellme__________totraveltoDalian?----------Abouttwohoursbyplane.HowmuchitcostB.whatIshouldtakeC.HowlongittakesD.whichisthebestseason(2012乌鲁木齐）Ireallydon’tknow______________?WhatshouldIdoB.whyheissonervousC.HowdidherunawayD.wherehashegone3.由从属连词whether,if引导的宾语从句if/whether引导宾语从句表示“是否”之义，说明对陈述的事物不明确或不清楚，在句中不充当句子成份.常用在ask,wonder,can/couldyoutellme后(2012山东澭坊）We’vegivenhersomeadvice,butIdon’tknow_______she’llacceptit.A.WhatB.whereC.whetherD.which特殊情况：只能用whether不能用if的情况1.在介词后面：I’mthinkingofwhetherweshouldgofishing.Wedidn’tthinkaboutwhetheritwouldrainthenextday.2.在动词不定式前：Theyaskedmewhethertositatthefront.3.当与ornot连用，或提出两种选择时:Idon’tknowwhetherhe’sfreeornot.MaryaskedwhetherIwasdoingmyhomeworkornot.Tellmewhetheryou’dliketogoshoppingortidytheroom.4.宾语从句提前时：Whetherthisistrueornot,Ican’tsay.5.在动词discuss后的宾语从句中:E.g.:Wediscussedwhetherwewouldhaveasportsmeetingnextweek.6.引导表语从句或位于句首的主语从句用whetherE.g.:Whetherheisrightorwrongisaquestion.Thequestionwaswhetherhewenttherelastnight.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。(2012山西）——AsforMr.Brown,doyouknow_______________?——Sure,Canada.ButhehasbeenteachingFrenchfortwoyearsinShanghai.whereheisworkingwherehecomesfromwhereishismotherland(2011南京）Mostchildrenareinterestedinamazingthings,andtheywonder________.A.whencantheyseeUFOsB.howcanelephantswalkontiptoeC.whydofishsleepwiththeireyesopenD.whythereisnoplantlifewithoutlightening(2012北京）------Canyoutellme______theprize,Tom?--------Lastyear.WhenyougotB.whendidyougetC.WhenwillyougetD.whenyouwillget(2012天津）-------Canyoutellme______?------WithLucy’shelp.A.whenyoudiditsowellB.whendidyoudoitsowellC.howyoudiditsowellD.howdidyoudoitsowell(2012重庆）-------Couldyoutellme______?-------BysearchingtheInternet.HowyougottheinformationWhyyougottheinformationHowdidyougettheinformationWhydidyougettheinformation(2012南京）------Peter,isthereanythingelseyouwanttoknowaboutChina?------Yes.Iamstillwondering_______.HowisChinesepapercutmadeHowwastheGreatWallbuiltinancienttimesWhytheChinesepeopleliketoplaythedragondanceWhydotheChinesepeopleeatricedumplingsatDragonBoatFestive宾语从句中时态的变化主句的时态是一般现在时，从句该用什么时态就用什么时态。Eg:Idon’tthinkyouareright.Pleasetellmewhattheyboughtinthemallyesterday.(2012兰州）------Doyouknow______Dunhuangwithhisfamily?------Nextweek.whendoesMr.BrownvisitwhenwillMr.BrownvisitwhenMr.BrownvisitswhenMr.Brownwillvisit(2012山东临沂)Iwonder_______onApril23,WorldBookDay.Didyoufindsomeinterestingbookstoread?A.WhatdidyoudoB.whatyoudidC.WhatdoyoudoD.whatyoudo(2011重庆）Thewomanaskedthepolicemanwhere_______.ThepostofficeisB.thepostofficewasC.IsthepostofficeD.wasthepostoffice2.主句是一般过去式，从句只能用相应的过去时态。(2011宁夏）Bobaskedme________.whatwasshedoingwhatisshedoingwhatshewasdoingwhatsheisdoing主从句动作同时发生，从句用过去进行时------Whatdidyouteachersaythismorning?------Shetoldus________.whywasTomlateforschoolagainthatwewillhaveatestsoonthatwewouldhaveatestsoonhowmuchthedresscosts主句是一般过去时，主句的动作发生在从句之前，从句是过去将来时。Hesaidthetrain________bythetimetheyarrivedatstation.A.leftB.hadleftC.haveleftD.isleaving主句是一般过去式，从句的动作发生在主句之前，从句是过去完成时。3.如果从句所陈述的是客观真理，其时态用一般现在时。OurteachersaidthatJanuaryisthefirstmonthoftheyear.Scientistshaveprovedthattheearthturnsaroundthesun.Theteachertoldusthatnothingisdifficultifweputourheartsintoit.五.宾语从句与简单句的转换1.当主从句的主语一致时,且主句的谓语是hope,wish,decide,agree,choose等时,从句可简化为不定式。1)Idon’tknowwhatIshalldonext.Idon’tknowwhattodonext.2)Johndidn’tdecidewhichshirthewouldbuy.Johndidn’tdecidewhichshirttobuy.2.当主从句的主语一致时，且主语的谓语是know,remember,forget,learn等时，从句可简化为“疑问词+不定式”。1)CanyoutellmehowIcangettothepolicestation?Canyoutellmehowtogettothepolicestation?2)PleaseshowmehowIshouldstarttherecorder.Pleaseshowmehowtostarttherecorder.3.动词seem后的宾语从句可用不定式来简化，但句型要有适当的变化。Itseemsthatfootballisveryinteresting.Footballseemstobeveryinteresting.4.宾语从句可简化成名词或名词短语。Idon’tbelievewhatTomsaid.Idon’tbelieveTom’swords.练一练1.Idon’tknowwhatIshalldonext.(变为简单句）→Idon’tknow                  next.2.Johndidn’tdecidewhichbookhewouldbuy.(变为简单句）→Johndidn’tdecide                                .3.Canyoutellmehowtogettothebusstop?(变为复合句）→Canyoutellme                   thebusstop?4.PleasetellLucyhowtousetheMP5.(变为复合句）→CanyoutellLucy                     theMP5.Couldyoutellme          ?A.wherethetwinswere   B.wherethetwinsare CwherearethetwinsA:Doyouknow         ?B:Yes,hecameherebytrain.     A.whenhecamehere            B.ifhewillcomehere     C.whyhecamehere             D.howhecamehere3.Shesaysshe       Englishfortenyears.A.learned              B.haslearned     C.waslearning         D.havelearned4.Theteachertoldusthattheearth       round.A.was        B.is      C.willbe    D.wouldbe5.Tellme       .A.whatwrongiswithhim       B.what'swrongtohimC.whatthematteriswithhim  D.what'sthematterwithhim6.Myfriendaskedme       .A.whoisthegirl              B.whothegirlwasC.whowasthegirl             D.whothegirlⅡ.Choosetherightanswers.BDBBDB宾语从句三要素that（陈述句）if／whether（一般疑问句）特殊疑问词（特殊疑问句)主句为一般现在时从句可为任何时态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 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