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Language过去进行时Whatistheboydoing?Heissleeping.现在进行时：is/are/am+doingMaryreadnow.(atthistimeyesterday)Maryreadatthistimeyesterday.iswasinging(atfouryesterdayafternoon)Theyplayfootballnow.areingTheyplayfootballatfouryesterdayafternoon.wereingWhatweretheydoingatsevenlastnight?TheywerewatchingTVatsevenlastnight.Whatwasthebirddoingwhenyousawit?ItwassingingwhenIsawit.1.构成：过去进行时was/were+doing2.用法一：表示过去某时正在进行的状态或动作。Iwasreadingabookat5p.m.yesterday.Mymotherwaswashingclothesat9lastnight.WhatwasheresearchingalldaylastSunday?S1:WhatwereyoudoingwhileLiJiewasgettingreadytogoout?S2:IwassleepingwhileLiJiewasgettingreadytogoout.S1:Whatwereyoudoingwhileshewastravellingontheunderground?S2:I___________whileshewastravellingontheunderground.用法二：表示在过去的某个时间，前后两个动作是同时进行的。如果主要动作和背景动作都是延续的或同时发生的，那么主从句的动词都可用过去进行时用法三：描述一件事发生的背景；一个长动作发生的时候，另一个短动作发生。Mybrotherfellwhilehewasridinghisbicycle.Itwasrainingwhentheyleftthestation.短短长长过去进行时常与when,while连用，意思是"当……之时"。while后面一般跟延续性动词，常用进行时；when后面既可跟延续性动词，也可跟瞬间动词，常用过去式。句子结构变化:否定句:主语+was/were+not+doing一般疑问句:Was/Were+主语+doing…?回答:Yes,主语+was/were.No,主语+wasn’t/weren’t.用所给动词的适当形式填空1.I______(play)computergamesattenlastnight.2.Jim’sfamily______(have)supperwhenIcamein.3.It_______(rain)hardatthistimeyesterday.4.What____you____(do)whileI____(make)amodelplane.5.He___just_____(leave)whenthetelephonerang.6.we________(have)aP.Eclassatfouryesterday.WasplayingWerehavingWasrainingweredoingWasmakingwasleavingWerehaving7.They__________(read)ateightyesterdayevening.8.I________(do)myhomeworkatthattimewhenyoucalledme.9._____you_______(sweep)thefloorwhileyourmother_________(cook)?10.We(nottalk)witheachotheryesterdaymorning.11.What___you_____(do)ateightlastnight?werereadingwasdoingWeresweepingwascookingweren'ttalkingweredoing12.I(work)fromsixtoeighteveryeveningtwoyearsago.13.She(walk)homewhenshe_____(see)heroldfriend.14.I(read)anovelwhenI______(have)asuddenidea.15.Colin_________(play)footballwiththematsevenyesterdayevening.wasworkingwaswalkingsawwasreadinghadwasplaying•根据汉语提示完成句子。•1．他们那时不在打排球。•They______________volleyballatthattime.•2．当你回来时，他在看电视吗？•_______he_______TVwhenyoucameback?•3．昨天中午他在哪里等你？•______________he_______foryouatnoonyesterday?•4．当我离开时，他正在做家庭作业。•He________________hishomeworkwhenIleft.•5．正当他们扫地的时候，老师进来了。•Whilethey______________thefloor,theteachercamein.wereplayingWaswatchingWherewaswaitingwasdoingweresweepingwasreadingwaswatchingplayingwasrangwhen6.昨晚我在看电视，我的父亲在看书。LastnightI__________________TVwhilemydad__________________abook.7.我们正在下棋，突然电话响了。We_________________chess________thephone__________.(1)I______ashoweratthattime.A.haveB.hadC.amhavingD.washaving(2)Asshe____thenewspaper,Granny___asleep.A.read;wasfallingB.wasreading;fellC.wasreading;wasfallingD.read；fell(3)Mary_______adresswhenshecutherfinger.A.madeB.ismakingC.wasmakingD.makesDBC