语法专项ObjectClause宾语从句一、宾语从句的概念Ilikemyteacher.(名词作宾语)Iknowhim.(代词作宾语)IknowMrLiteachesEnglish.(句子作宾语)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。二.包含宾语从句的句子结构:主句+连接词(引导词)+宾语从句Eg:Iknowthatheishonest.三、宾语从句三要素连接词时态语序(一)连接词1.That:引导陈述句,常省略2.whether/if:引导一般疑问句,意为“是否”3.连接代词whowhomwhosewhatwhich4.连接副词whenwhywherehow。(1).陈述句转化成宾语从句时,引导词用that,口语中常常略。e.g,Shetoldme(that)shewouldliketogowithus.(2)以whether或if引导的宾语从句,主要用来引导一般疑问句意思或选择疑问句意思的宾语从句。从句同样是陈述语序eg,Iwonderif/whetheryouhavetoldthenewstoLiLei.Doyouhaveapenfriend?Maryaskedme(合并一句)Maryaskedme——Ihadapenfriend.If/whetherIf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Wheredoeshelive?Ididn’tknow.(改为宾语从句Ididn’tknow________he_____.wherelived(二)语序:陈述句语序即:陈述句结构(主+谓+其他成分)•(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1.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.hadtravelledAC•7.Couldyoupleasetellme________hewillcomeheretomorrow?•A.ifB.weatherC.whatD.which•A8.Couldyoutellme___?A.whenwilltheyleaveBeijingB.whenwouldtheyleaveBeijingC.whentheywillleaveBeijingD.whendidtheyleaveBeijingCIdidn’tknow.Willhecomeback?(合并一句)Ididn’tknow______he_____comeback.Wheredidyoubuyyourpen?Doyouremember?(改为宾语从句)Doyouremember____I_____mypen.Idon’tknowwhatIshoulddowiththebrokenbike.Idon’tknowwhat_______withthebrokenbike.Hetoldme.Theearthisround.(改为宾语从句)Hetoldme___theearth___round.Ididn’tknow.Willhecomeback?(合并一句)Ididn’tknowif/whetherhewouldcomeback.Wheredidyoubuyyourpen?Doyouremember?(改为宾语从句)DoyourememberwhereIboughtmypen.Idon’tknowwhatIshoulddowiththebrokenbike.Idon’tknowwhattodowiththebrokenbike.Hetoldme.Theearthisround.(改为宾语从句)Hetoldme_thattheearthisround.宾语从句小结一.结构1.当陈述句作宾语从句时,结构:主句+that+主语+谓语部分2.当一般疑问句作宾语从句时,结构:主句+if(whether)+主语+谓语部分3.当特殊疑问句作宾语从句时,结构:主句+特殊疑问词+主语+谓语部分二.主从时态关系主句从句1.一般现在时2.一般过去时3.(特殊):任何时态(客观、自然现象)三.语序:陈述语序时态不变时态相应变化一般现在时(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’the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_______________________.II.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