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概念：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。“”通常句子一定会有一个表示过去某个时间点的状语。如：at7p.m.lastnight、when引导的时间状语从句（whenhecame/）、thismorning、thewholemorning、alldayyesterday、fromninetotenlastevening、when、whileThePastContinuousTense(过去进行时)基本结构:was/wasn’twere/weren’tdoingdoing++Sb+Sb+______/_______/______and______+wasdoing.______,______and______+weredoingIsheheitIsheheitweyoutheyweyouthey不同的句式肯定句：主语+was/were+doing+其它否定句:主语+was/were+not+doing+其它一般疑问句:Was/Were+主语+doing+其它特殊疑问句:特殊疑问词+was/were+主语+doing+其它•1.Iwassingingsongsyesterdaymorning.•否定句：___________________________•一般疑问句：__________________________•2.Theyweredrawingpictureswhentheteachercamein.•否定句：___________________________•一般疑问句：__________________________•3.Shewaswashingthewindowwhenthetelephonerang.•否定句：___________________________•一般疑问句：__________________________按要求转换下列句型。1.WewerehavingaPEclassatfouryesterdayafternoon.（改为否定句）We____________aPEclassatfouryesterdayafternoon.2.Katewasreviewingherlessonsateightlastnight.（改为一般疑问句，并做肯、否定回答）________Kate_______herlessonsateightlastnight?________,she________.________,she_______.weren’thavingWasreviewing3.Heraninthepark.（用atthistimeyesterday改写）He_______________intheparkatthistimeyesterday.4.Theywereplayingcomputergamesatninelastnight.（对划线部分提问）________________they_______atninelastnight?5.Iwasreadinganovelatthreeyesterdayafternoon.（对划线部分提问）_________________you________atthreeyesterdayafternoon?wasrunningWhatweredoingWhatweredoing过去进行时和When连用Awas/were+doingsthwhenB+didsth.长时动作长时动作短时动作短时动作-WhatwasLileidrawingwhentheteachercamein?-Hewasdrawinganelephant.-Whatwerethetwinsdrawingwhentheteachercamein?-Theyweredrawingacar.WhileWhileWhatweretheydoingyesterdayafternoon?Hewasplayingbasketballwhileshewassleeping.过去进行时和while连用Awas/were+doingsthwhileB+was/were+doingsth长时动作长时动作长时动作长时动作UseUsewhilewhiletodescribe(todescribe(描述描述)pictures)picturesAmonkeywas…….Amonkeywas…….whilewhiletwocatswere……twocatswere……at3p.m.yesterdayat3p.m.yesterdayat9p.m.yesterdayat9p.m.yesterdayArabbitwas…….Arabbitwas…….WhileWhileapigapigwas….was….•用所给动词的正确形式填空：•Doyouknowwhatthey_____(do)thistimeyesterday?•They_____(have)supperwhenwe_____(go)intotheroom.•It______(rain)from7to9lastnight.•Whenshe______(arrive),I_______(telephone)Harry.•What_____you______(do)yesterdayat7pm?•WhenI______(go)downstairs(楼下),they_______(eat)breakfast.•Whenwearrived,she______(make)somefreshcoffee.•Ibrokeaglass,whileI_______(cook)thedinner.weredoingwerehavingwentwasrainingarrivedwastelephoningwentwereeatingwasmakingwascooking1.Fillintheblanks.1.What____you____(do)at9yesterday?2.I____________(watch)TVwhenmymother_____(come)in.3.He__________(do)hislessonsathalfpasttenyesterdaymorning.weredoingwaswatchingcamewasdoing4.Thechildren__________(play)footballatfouryesterdayafternoon.5.Thebaby___________(sleep)whenthemothercameback.wassleepingwereplaying2.Sentencecompleting.1.Thepianist____________________(在弹钢琴）atthistimeyesterday.wasplayingthepiano2.They______________________(在买衣服）whentheUFOarrived.4.What________you________whenyou_____thealarm?(当听到警报的时候,你在干什么?)werebuyingclothesweredoingheard