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过去完成时.过去完成时表示一个动作或状态在过去某一时间或动作之前已经完成或结束,即发生在“过去的过去“,常与bybeforewhenuntil等引导的时间状语连用只有和过去某时间或某动作相比较才能用到该时态「例如Mostoftheguestshadleftwhenhearrivedattheparty.Bythe1990sthenumberhadfallentoabout
50000.BeforehevolunteeredtodirectthetrafficTimoteohadhadlotsofjobs..Hopeexpectsupposethinkwantwish等动词的过去完成时表示过去未实现的愿望,计划或打算例如Theyhadhopedtobeabletoarrivebeforeten.LikeeveryschoolboyIhadthoughtthatgoingintospaceasanastronautmusebethebestjobintheworld..过去完成时还用于两个常用句型中hardly....when和nosooner....than例如Hardlyhadweleftthedormitorythenextmorningwhenwerealizedwehadleftourmapintheroom.NosoonerhadtheboyspokenthewordsthanhisfatherJiithimontheheadwiththesoupspoon..在beforeafter等引导的从句中,由于这些连词本身已经表示出时间先后,所以主句或从句的谓语动词可以用一般过去时代替过去完成时例如Sheandherfamilyhidawayfornearlytwenty-fivemonthsbeforetheywerediscovered.引导的从句中,谓语动词的动作发生后,主句谓语动词的动作紧例如WhenheheardthesewordsJimpanickedandranout.练习用所给动词的正确形式填空Sofialookedaroundatallthefacesshehadtheimpressionthatsheseemostofthequestsbefore.ThestudentswritebusilywhenMissBrownwenttogetabooksheleaveintheofficewerewritinghadleft主语+wa§/、veredoingwhen…过去正在做某事突然ItwasthefastestIseehimmovesince
1964.hadseenIfoundthelecturehardtofollowbecauseitstartwhenIarrived.WhenwalkingdownthestreetIcameacrossDavidwhomInotseeforyears.—Whatamistake!—Yes.Isuggesthisdoingitanotherwaybutwithoutsuccess.表示过去未实现的Inthe1950sintheUSAmostfamilieshadjustonephoneathomeandwirelessphonesnotinventyet.Hewasunhappywhenhesoldhisguitar.Afterallhehaveitforaverylongtime.IfonlyItakehisadvice!Shelearn2000Englishwordsbytheendoflastmonth.ImeantocomebutitrainedMr.Brownhad_hardly|arrivedarrivekhentheladystartedstartcomplainingwhichannovedeverybodypresent.Nosoonertheboyspeakthesewordsthanlhemanhithimontheheadwiththesoupspoon.Susanquitherwell-paidjobandworkasavolunteerintheneighbourwhenlvisitedherlastyear.Mostoftheguestsleavewhenhearrivedattheparty.Bythe1990sthenumberfalltoabout
50000.Tomflewhomebuthisfatheralreadypassaway.Shewassurprisedtofindthefridgeempty;thechildreneateverything.Tomaskedmejohaveadrinkwiththem.IrealizedthatitwasatleasttenyearssinceIhadenjoyedenjoyagooddrink.ThiswasthefirsttimethatIenjoyagooddrink.Lucyintendtohelpmewithmystudiesbutsomethingunexpectedstoppedher.ThemomentIgothomeIfoundIleavemyjacketontheplayground.ThemanagerissaidtohavereturnedfromPariswherehemeetsomeEuropeanbusinesspartners.WhenheheardthesewordsJimpanicandrunoutoftheroom.Hesaidthathebearin
1991.Ifyoudontlikethedrinkyouorderjustleaveitandtryadifferentone.IlivedinLondonformanyyearsbutIveneverregrettedmyfinaldecisiontomovebacktoChina.Shetoldmetowakehimupifhepvassleeping.--Idontunderstandwhyyoudidntgotothelectureyesterdayafternoon.…ImsosorrybutIwasdoingmyhomework.OnedayNickinvitedhisfriendstosupper.Hewascookingsomedeliciousfoodinthekitchen.Suddenlyhefoundfindthathehadrunrunoutofsalt.—Haventseenyouforages!Wherehaveyoubeen—IwenttoNingxiaandstaythereforoneyearteachingasavolunteer.IdrivedowntoLondonwhenIsuddenlyfoundIwasonthewrongroad.主语+wa§/、veredoingwhen…过去正在做某事突然主语+was/wereabouttodowhen...过去正要去做某事突然TheymadeuptheirmindsthattheybuyanewhouseonceLarrychangedjobs.—HiImPeter.AreyounewhereIhavenseenyouaround.—HelloPeter.TmBob.IjuststartonMonday.Hehurriedhomeneveroncelookingbacktoseeifhefollow.Thisisthethirdtimethathe__hasbeenbelateforclass.WhenIfirstmetBryanIdidntlikehimbutIchangemymindnow.Answersl.hadseen
2.werewritinghadleft
3.hadseen
4.hadstarted
5.hadntseen
6.hadsuggestedhadnotbeeninvented
8.hadhad
9.hadtaken
10.hadlearned
11.hadmeant
12.hadarrived
13.hadspoken
14.hadquitwasworking
15.hadleft
16.hadfallen
17.hadpassedaway
18.hadeaten
19.hadenjoyed
20.hadenjoyed2l.hadintended
22.hadleft
23.hadmet
24.panickedran
25.wasborn
26.ordered
27.lived
28.wassleeping
29.wasdoing
30.foundhadrun
31.stayed
32.wasdriving
33.wouldbuy
34.started
35.wasbeingfollowed
36.hasbeen
37.havechanged。