英语：过去完成时课件

构成：助动词had+动词的过去分词（V.pp)用法：1.过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。在强调过去某一动作发生在另一动作之前时。在强调过去某一个动作发生在另一个动作前常常用过去完成时态。1.他说他以前见过你。Hesaidthathe______________(see)youbefore.hadseen2.到六点钟为止他们已经工作八小时了。Bysixo’clockthey______________(work)foreighthours.hadworked过去分词的构成：1.规则动词的变化：a)一般情况下在动词后面加edwork------workedplay--------playedb)以e结尾的动词直接加duse------usedrefuse------refusedc)以辅音字母加y结尾的动词，把y改i再加edstudy-----studiedcarry-----carriedd)以重读闭音节结尾的，前面有单个元音字母时，双写辅音字母，再加edstop----stoppeddrop-------dropped2.不规则动词的变化见不规则动词表过去完成时的构成：由助动词had+动词的过去分词（V.pp)2.过去完成时词可以表示过去某一时刻之前发生的动作或呈现的状态，这一动作一直持续或将继续下去。Bysixo’clockthey____________(work)foreighthours.WhenIcametoGZ,he_____________(be)thereforalongtime.用法：1.到了六点钟为止，他们已经工作了八小时了。2.我到广州时，他在那里很长时间了。hadworkedhadbeen3.到上个月中旬我们在北京住了有五年时间了。Bythemiddleoflastmonthwe______________(live)inBeijingforfiveyears.hadlived1.到昨晚上，他已写完那封信。Byyesterdayeveninghe___________(write)thatletter.2.他说他以前见过你。Hesaidthathe____________(see)youbefore.3.当我进来时，他已做完了作业。WhenIcameinhe________________(finish)hishomework.过去完成时与bythen(截止到那时);by9o’clock(直到九点钟)bytheendof…(在…结束/末之前);bythetime…(在…时之前);uptillthen(直到那时);upuntillastnight(直到昨晚）等连用，表示过去的过去。hadwrittenhadseenhadfinished3.过去完成时和already,just,ever,yet等连用表示过去的过去。用法：例如：1.他告诉我说他们队已经赢了。Hetoldmethathisteam_________already___________(win).hadwon2.她说她仍没去过长城。Shesaidthatshe_______________(notgoto)theGreatWallyet.hadn’tbeento用法：过去完成时与when,before,assoonas,till/until等引导时间状语的从句连用，强调动作发生的时间前后。例如：1.她到家之前她的孩子已经睡着了。Whenshegothomeherchildren____________(sleep).hadslept2.在他们到达之前电影已经开始了。Beforetheyarrivedherethefilm_________already___________(start).hadstartedLastnight,assoonasI_______________(finish)myworkIwenttosleep.3.我完成作业了就去睡觉了。hadfinished1.Afterhe______________(finish)hisworkhewentout.hadfinished2.Thechildrenranawayafterthey___________(break)thewindow.hadbroken3.IwenttoTom’shousebuthe__________(go)out.hadgone4.Annietoldmethathisfather____________(go)toParisandhe____________(come)backinafewdays.hadgonewouldcome5.Myfriend__________(buy)thecartwoyearsago.He________________(buy)itfortwoyears.boughthashad•1WhenLiMinghurriedhome,hefoundthathismother____already____tohospital.•Ahas;beensentBhad;sent•Chas;sentDhad;beensent•2We____fiveEnglishsongsbytheendoflastterm.•AhadlearnedBlearned•ChavelearnedDwillhavelearned•3Billytoldmeshe_____lunch,soshewasveryhungry.•AhashadBhasn'thave•ChavehadDhadn'thad•4Bytheendof1976,manybuildings_____builtinthecity.•AhavebeenBhave•ChadbeenDwill•5She_____herkeysintheofficesoshehadtowaituntilherhusband____home.•Ahasleft;comesBhadleft;wouldcome•Chadleft;cameDleft;hadcome•6HesaidthatitwasatleasttenyearssinceI_____agooddrink.•AhadenjoyedBwasenjoying•ChaveenjoyedDhavebeenenjoying•7Themeeting_____whenMr.Wang_____toschool.•Ahasbegun;get•Bhasbeenon;get•Chadbegun;got•Dhadbeenon;got•1WhenIreturnedhome,he_____(leave).•2Bytenyesterdayevening,she________(finish)writing.•3He______(study)Englishforfiveyearsbeforehecamehere.•4It_________(stop)rainingwhenIwakeupthismorning.•5I_____(notread)thebookbecauseIhadreaditbefore.hadlefthadfinishedhadstudied•hadstoppeddidn'tread•6Shesaidshe____(be)bornin1992.•7Whenhe_____(come)toChinatwoyearsagohefoundpeopledidn'tunderstandhimatallthoughhe________(learn)someChineseinhisowncountry.•8IsawHanMeiyesterday.We_____(notsee)eachothersinceleftBeijing.•9WhenIgottohishome,he_____(go)tobed.•10SheaskedifMr.Liu_____already_____(come)back.wascamehadlearnedhadn'tseenhadgonehadcome•答案：１D2A3D4C5C•6A7C•答案：1hadleft2hadfinished•3hadstudied4hadstopped•5didn'tread6was7camehadlearned8hadn'tseen9hadgone10hadcome