语法专项复习------ObjectClause宾语从句府谷二中薛瑞芳一、宾语从句的概念宾语从句即句子作宾语,而不再是一个词或短语作宾语。Ilikemyteacher.(名词作宾语)Iknowhim.(代词作宾语)IknowMrLiteachesEnglish.(句子作宾语)包含宾语从句的句子结构:主句+连接词(引导词)+宾语从句二、宾语从句三要素连接词时态语序(一)连接词1.that2.whether/if3.连接代词whowhomwhosewhatwhich4.连接副词whenwhywherehow。注:that在句中无词汇意义,在从句中不能充当成分,在口语当中往往省略e.g.1.Ihear(that)_______________________.(一小时后他会回来)2.Hesaid(that)______________________.(他非常想念我们)3.Theteachertoldus(that)___________________________.(地球围着太阳转)hewillbebackinanhourhemissedusverymuchtheearthmovesaroundthesun注意:当从句是客观真理的时候,无论主句什么时态,从句一律用一般现在时由从属连词whether,if引导的宾语从句e.g.1.Askhim_____________________.(他是否能来)2.Idon’tknow___________________________.(是否要下雨)whether(if)hecancomewhetheritisgoingtorainornot当句末为ornot时,引导词只能用whether而不能用if.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whether由连接代词what,whom,whose,which,what及连接副词when,where,how,why引导的宾语从句whenwe’llhaveameetingwhereheishowIcangettothestationwhythetrainislatewhocouldanswerthequestion1.Heasked__________________________.(谁能回答这个问题)2.Doyouknow_________________________.(他们在等谁)3.Pleasetellme_______________________.(我们什么时候开会)4.Canyoutellme_______________.(他在哪儿)5.Couldyoutellme______________________.(我该怎么去车站)6.Wouldyoutellme_________________(为什么火车迟到了)whomtheyarewaitingfor(二)语序:陈述句语序即:陈述句结构(主+谓+其他成分)将下列句子换成陈述句语序1.Isthereabanknearhere?2.Aretheydoinghomework?(三)时态(时态一致性)1.如果主句的时态是一般现在时,宾语从句的时态根据具体情况来确定,可以是_________时态。Idon’tthink(that)youareright.Pleasetelluswherewe’llgofishingtomorrow.DoyouknowwhenMr.Smithmovedhere?任何2.如果主句的时态是一般过去时,宾语从句只能用相应的_________时态(一般过去时,过去进行时,过去将来时,过去完成时)。例如:HetoldmethathewasborninBeijingin1992.HesaidthathewouldgobacktotheU.S.soon.过去3.如果宾语从句所陈述的是客观真理,即使主句用了过去时,从句仍用_______时态。例如:Theteachersaidthattheearthmovesaroundthesun.一般现在三、宾语从句与简单句的转换(一)当宾语从句的主语和主句的主语相同,且主句的谓语动词是hope,wish,decide,agree,choose等时,从句可简化为不定式结构。eg:(1)IhopethatIcanreceiveyoure-mail.→Ihopetoreceiveyoure-mail_______________________.(二)当宾语从句的主语和主句的主语相同,且主句的谓语动词是know,remember,forget,learn等时,从句可简化为“疑问词+不定式”结构。eg:(2)Shedoesn’tknowwhatsheshoulddonext.→Shedoesn’tknow________________.(三)当主句的谓语动词是ask,tell,show,teach等时,从句可简化为“疑问词+不定式”结构。eg:(3)WillyoupleaseshowmehowIcanworkitout?→Willyoupleaseshowme___________________.(四)当直接引语为祈使句,变为间接引语时,用ask/tell/orderSb.(not)todosth结构。eg:(4)A:Pleasebequiet.B:WhatdidBillsay?A:Heaskedustobequiet.whattodonexthowtoworkitout四、否定转移在含有宾语从句的主从复合句中,当主句的主语为第一人称,谓语动词是think,believe,guess,suppose等时,要将从句的否定词转移到主句中,即主句的谓语动词用否定式,宾语从句的谓语动词用肯定式。eg:(5)Idon’tthinkhewillcomewithyou.注意:这种句子在其后接附加问句时,要特别小心。eg:(6)Idon’tbelievehehasfinishedthework,________?(7)HeknewwhyJimwasn’tatschool,___________?解析:例6,当主句的主语为第一人称时,附加问句的主语由宾语从句的主语充当。例7,如果主句的主语非第一人称时,则附加问句的主语由主句的主语充当。hashedidn’the1.Doyouknow__________________?A.wheredoessheliveB.sheliveswhereC.whereshelivesD.whereshelive2.Hisparentswantedtoknowwhathe______atthattime.A.isdoingB.wasdoingC.hasdoneD.willdoCB巩固练习:I.从下列A、B、C、D中选择一个正确选项填空。4.Lily’smotherlookedforherforhalfanhour,butcouldnotfind________?A.whatLilywasB.whatwasLilyC.whereLilywasD.wherewasLilyC3.—Wedon’tknow______.--ItissaidthathewasborninCanada.A.whatheisB.whenhewasbornC.wherehecomesfromD.ifheliveshereC5Thegirlsaskedifthey____somefoodanddrinkwiththem.A.tookB.takeC.takesD.willtake6Lindasaidthemoon___roundtheearth.A.travelledB.hastravelledC.travelsD.hadtravelledAC7.Couldyoupleasetellme________hewillcomeheretomorrow?A.ifB.weatherC.whatD.whichA8.Couldyoutellme___?A.whenwilltheyleaveBeijingB.whenwouldtheyleaveBeijingC.whentheywillleaveBeijingD.whendidtheyleaveBeijingCII.改错:1.MissZhangaskedmewhywasIlateforschool.__________________________________________MissZhangaskedmewhyIwaslateforschool.2.Fathertoldmethesunalwaysroseintheeast.__________________________________________Fathertoldmethesunalwaysrisesintheeast.3.Hedoesn’tknowthatwhenshecancomeback.__________________________________________Hedoesn’tknowwhenshecancomeback.1.Theradiosaysit_________cloudytomorrow.(be)2.Theheadmasterhopeseverything______well.(go)3.Tomsaysthatthey____________(play)basketballatsixo’clockyesterdayevening.4.Ihearhe__________(return)italready.5.Hesaidthatthey_________membersofthePartysince1948.(be)6.Heaskedwhatthey__________ateightlastnight.(do)7.Theteachertoldhisclassthatlight_______fasterthansound.(travel)8.Ithinkyou__________abouttherelayracenow.(talk)9.Ididn’tknowwhomtheletters_________from.(be)willbegoeswereplayinghasreturnedhadbeentravelsaretalkingwereweredoing10.Ididn’tknowwhattimehe_______theletter.(write)11.MissWangtoldmethattheearth______(move)roundtheearth.12.Couldyoutellmewho_________awaythebookalready?(take)13.LingFengtoldmehe_________toseveraltimes.(be)14.Ourteachertoldusinclassthesun_______intheeast.(rise)15.Canyoutellmewhatthey______yesterday?(do)wrotemoveshastakenhasbeenrisesdid将下列句子合并为一句:1.Wheredotheystopontheway?Iasked.2.Whatwillyousayatthemeeting?Couldyoutellme?3.Dotheyliketomakefriendswithus?Heasked.4.“Iamdoingmyhomework.”Hesaid.