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Thepastperfecttense过去完成时1.在过去的某一时间、动作之前已经发生2.从过去某一时间开始，持续到过去另外一个时间。1.概念：过去完成时2.句型结构3.过去完成时的时间状语1.与介词by,before,构成时间状语2.与连词when,before等引导的时间状语从句3.bythen(截止到那时);4.bytheendof…(在…结束/末之前);5.bythetimeof...在...以前肯定句：主语+haddonesth否定句：主语+hadnotdonesth2.句型结构•肯定句：主语+haddonesth•否定句：主语+hadn’t（hadnot）done•一般疑问句：Had+主语+done?•特殊疑问句:特殊疑问词+had+主语+doneYouhadalreadycleanedtheblackboardbeforeIenteredtheclassroom.Whathappenedfirst?A:YoucleanedtheblackboardB:Ienteredtheclassroom√1.过去完成时的概念①表示在过去的过去发生的动作时间现在过去某时或另一过去动作更早的动作(用过去完成时)1.他说他以前见过你。Hesaidthathe________(see)youbefore.2.当我到校的时候，我意识到我把书包忘在家里了。WhenIgottoschool,IrealizedI___________(leave)mybackpackathome.hadseenhadleft1.到昨天六点钟为止，他们已经工作了八小时了。Bysixo’clockyesterday,they___________(work)foreighthours.hadworkedhadread1.过去完成时的概念②从过去某一时间发生的动作持续到过去另一时间2.Bytheendoflastmonth,I________(read)threebooks.1.Theyhadalreadyhadbreakfastbeforetheyarrivedatthehotel.2.Bynineo’clockyesterdayeveninghehadn’tgothome.3.--Hadyouknownanythingaboutourschoolbeforeyoucamehere?--Yes,Ihad./No,Ihadn’t.4.Whathadyoursisterbeenbeforeshebecameanactress?过去完成时的时间状语1.与介词by,before,since构成时间状语①HowmanyEnglishsongshadyoulearntbytheendoflastterm?②Wehadreachedthetopofthehillbeforemidnight.过去完成时的时间状语2.过去完成时与when,before,引导时间状语的从句连用，强调动作发生的时间前后①WhenIgottoschool,IrealizedIhadleftmybackpackathome.②Beforehejointhearmy,hehadbeenateacherfor1year.③Whenshegothomeherchildren____________(sleep).hadslept过去完成时的时间状语bythen(截止到那时);bytheendof…(在…结束/末之前);bythetime…(在…时之前);1.昨晚我们看了电影。a.Wehadseenthefilmyesterdayevening.b.Wesawthefilmyesterdayevening.2．当我到达那儿时，电影已经放了五分钟了。a.ThefilmhasbeenonforfiveminuteswhenIgotthere.b.ThefilmhadbeenonforfiveminuteswhenIgotthere.3.到上学期末，他们已学会了五首英语歌曲。a.Bytheendoflastterm,theyhavelearnedfiveEnglishsongs.b.Bytheendoflastterm,theyhadlearnedfiveEnglishsongs.4.他昨天见到了Ｂill，他们已有两年没见面了。a.HesawBillyesterday.Theyhaven’tmeteachotherfortwoyears.b.HesawBillyesterday.Theyhadn’tmeteachotherfortwoyears.５．李梅很高兴，因为她期中考试及格了。a.LiMeiwasveryglad,becauseshepassedthemid-termexam.b.LiMeiwasveryglad,becauseshehadpassedthemid-termexam.1.I___________(clean)theclothesbeforeyoucameback.2.She___________(leave)alreadywhenyouarrived.3.______they_____(know)thisbeforeyoutoldthem?4.We__________(nottell)youbeforeyouknewit.5.Shecameafterwe_________(wait)forherforhalfanhour.hadcleanedhadleftHadknownhadn’ttoldhadwaitedTranslations1.当我们到电影院时，电影已经开始了．２.他在离开之前把灯全关了．Thefilmwhenwethecinema.Heallthelightsbeforehe.hadalreadybegun/startedarrivedat/gotto/reachedhadturnedoffleft1.Wehadalreadylearnedfourunitsbyyesterday.2.Wehadlivedherefor3yearsbytheendoflastmonth.1.by（截止）+pasttime2.bytheendof（截止）+pasttimeFillintheblanks1.We‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗(learn)3000wordsbylastterm.2.you‗‗‗‗‗‗‗‗‗‗‗‗‗‗(live)herefor20yearsby2004?3.They‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗(work)for10yearsbytheendoflastyear.4.I‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗‗(teach)youfortwoyearsbytheendoflastterm.hadlearnedHadlivedhadworkedhadtaughtTranslations1.截止到2003年，我们已经看过40部电影了．2.截止到九月底，他们已经去过美国十次了．We40films2003.TheytheUSAtentimesSeptember.hadalreadyseenbyhadalreadybeentobytheendof一．选择填空。1.IlostthebookI_______．AhaveboughtBboughtChadbought2.ThebushadgonewhenI_______atthebusstop.AhavearrivedBarrivedChadarrived3.—Whydidn’tTomattendthemeetingyesterday?—He_______Beijing．A．hasgonetoBhadgonetoCwentto4.Bythetimeshewasfifteen,Kitty_____________(teach)herselfaforeignlanguage.(2006无锡市中考)CBBA.hadtaughtB.taughtC.hastaughtA5.—Ihaveboughtyouthebooksyouwant．—Oh，good.I________afraidyouhadforgotten．AwasBamChadbeen6.Helen______herkeysintheofficesoshehadtowaituntilherhusband_________home．Ahasleft;comesBleft；hadcomeChadleft；came7.Thestudents___busilywhenMissBrownwenttogetthebookshe___intheoffice.A.hadwritten,leftB.werewriting,hasleftC.hadwritten,hadleftD.werewriting,hadleft8.Imetmyoldfriendyesterday.We________eachotherforalmosttenyears.A.haven’tseenB.didn’tseeC.hadn’tseenACDC二．用所给动词的适当形式填空。1OurEnglishteacher_______________(teach)EnglishinShanghaifortenyearsbeforehecametoourSchool.2_____theboy______________(finish)hishomeworkbeforeyousawhim?3WhenIgotthere,thetrain_____already_______.(leave)4WhenIarrivedatthecinema,thefilm__________(be)onfortenminutes.5LastweekIdidn’treturnthebooktothelibrary,becauseI______________(notfinish)it.6.Afterhehadfinishedschool,he_______(join)thearmy.7.Shesaidshe_________thefilmbefore.(see)8.Bytheendoflastmonth,they_______________(complete)thebridge.hadtaughtHadfinishedhadlefthadbeenhadn’tfinishedjoinedhadseenhadcompleted1We＿＿fourthousandnewwordsbytheendoflastyear．AhadlearnedBhavelearnedClearned2Helen＿＿＿＿herkeysintheofficesoshehadtowaituntilherhusband＿＿home．（NMET’96）Ahasleft,comesBleft,hadcomeChadleft,came3IlostthebookI＿＿＿＿．AhaveboughtBboughtChadbought4ThebushadgonewhenI＿＿＿＿atthebusstop.AhavearrivedBarrivedChadarrived5Tom＿＿＿＿ofvisitinghisgrandmother,butthebadweathermadehimchangehismind．AhasthoughtBthoughtChadthoughtACCBC6—DidyoumeetTomattheairport？—No，he＿＿＿bythetimeI＿＿＿there.A．hasleft;gotBhadleft；arrivedCleft；hadgot7—Whydidn’tTomattendthemeetingyesterday?—He＿＿＿Beijing．A．hasgonetoBhadgonetoCwentto8FinallyMarywasadmittedbyBeijingUni