初二过去进行时讲解PPT课件

.,1,过去进行时,.,2,一、什么是过去进行时？,表示过去某个时刻正在进行的状态或动作或表示过去某段时间之内持续进行的动作或状态,.,3,三、过去进行时的基本句式结构,(1)肯定式：主语+was/were+V-ing+其它。eg:Iwaswaitingforyoufromeighttotenyesterdaymorning.昨天早晨从八点到十点我都一直在等你。,.,4,三、过去进行时的基本句式结构,(2)否定式：主语+was/werenot+V-ing+其它eg:IwasntplayingfootballatthreelastSunday.上周日三点我不是在踢足球。,.,5,(3)疑问式：Was/Were+主语+V-ing+其它？eg:Whatwereyoudoingatthattime?那时你在干什么？,三、过去进行时的基本句式结构,.,6,二、过去进行时的标志词,与过去进行时经常连用的时间状语at3:00lastmonday,sunday.at8:00lastnight即：过去某一具体时刻fromninetotenyestreday即：过去某一时间段when引导的从句while引导的从句,.,7,过去进行时和When连用Awas/were+doingsthWhenB+didsth.,长时动作,短时动作,.,8,Whatweretheydrawingwhentheteachercamein?,MaryJimLiLeiLilyLucySue,.,9,-WhatwasLileidrawingwhentheteachercamein?,-Hewasdrawinganelephant.,-Whatwerethetwinsdrawingwhentheteachercamein?,-Theyweredrawingacar.,.,10,过去进行时和while连用Awas/were+doingsthWhileB+was/were+doingsth,长时动作,长时动作,.,11,While,Whatweretheydoingyesterdayafternoon?,Hewasplayingbasketballwhileshewassleeping.,.,12,Usewhiletodescribe(描述)pictures,Amonkeywas.whiletwocatswere,at3p.m.yesterday,.,13,at9p.m.yesterdayArabbitwas.Whileapigwas.,.,14,小结was/were+doing+过去某一具体时刻或过去某一时间段过去进行时+while+过去进行时过去进行时+when+一般过去时,.,15,1.Fillintheblanks.1.What_you_(do)at9yesterday?2.I_(watch)TVwhenmymother_(come)in.3.He_(do)hislessonsathalfpasttenyesterdaymorning.,were,doing,waswatching,came,wasdoing,Languagestudy,.,16,4.Thechildren_(play)footballatfouryesterdayafternoon.5.Thebaby_(sleep)whenthemothercameback.,wassleeping,wereplaying,2.Se