过去进行时 全面解PPT课件

.,1,过去进行时一、定义1.表示过去某个时刻正在进行的动作。Hewashavingbreakfastatsixoclockyesterdaymorning.2.表示过去某个时间段正在进行的动作。Hewaswritingstoriesthewholemorning.,.,2,二、结构1.肯定结构：主语+was/were+doing+其它.IwaswatchingTVateightlastnight.Hewashavingbreakfastatseventhismorning.2.否定结构：主语+was/were+not+doing+其它.IwasnotwatchingTVateightlastnight.Hewasnothavingbreakfastatseventhismorning.3.一般疑问句：Was/Were+主语+doing+其它?(1)WereyouwatchingTVateightlastnight?Yes,Iwas./No,Iwasnt.(2)Washehavingbreakfastatseventhismorning?Yes,hewas./No,hewasnt.4.特殊疑问句：疑问词+was/were+主语+doing+其它？,.,3,三、时间标志词1.at+具体时刻+过去时间(atfivelastSaturday)2.atthistime+过去时间(atthistimeyesterday)3.过去时间段(fromninetotenlastevening)4.atthattime/moment5.when&while引导的过去时间状语从句,.,4,四.现在分词复习动词ing的基本变化规则,.,5,口诀：现在分词ing,变法有三般。一般直接加，见e去e加。重读辅元辅，双写尾字母。,.,6,五、特殊句型when&while引导的过去时间状语从句短：短暂性动作(用一般过去时)长：持续性动作(用过去进行时)1.口诀：when后可长亦可短，while后只可长Whenthethiefcamein,Iwassleeping.Thethiefcamein,whenIwassleeping.Thethiefcamein,whileIwassleeping.2.口诀：若是两个都为长，while来把纽带当WhilethethiefwascarryingtheTVout,Iwassleeping.ThethiefwascarryingtheTVout,whileIwassleeping.,.,7,Tips:一般过去时和过去进行时时间标志词的区别：一般过去时：过去的不精确时间过去将来时：过去的精确时间,.,8,Exercise:一、请写出下列动词的ing形式。paint_draw_play_give_drive_make_sit_run_put_get_swim_forget_,.,9,二、选择题。()1.Myparents_TVinthelivingroomat9p.m.yesterday.A.iswatchingB.watchedC.wouldwatchD.werewatching()2.Ben_atthistimeyesterday.A.aresleepingB.sleepingC.wassleepingD.slept()3.I_breakfastwhenthemorningpostcame.A.hadB.beenhavingC.amhavingD.washaving()4.Shetheguitarfrom2p.m.to4p.m.yesterdayafternoon.A.wasplayingB.playedC.isplayingD.plays()5.Mybrother_whilehe_hisbicycle.A.fell,wasridingB.fell,wereridingC.hadfallen,rodeD.falls,wasriding()6.I_mybreakfastwhenthemorningpostcame.A.hadB.amhavingC.havehadD.washaving,.,10,()7.Jack_footballatthemoment.A.wasplayingB.isplayingC.playsD.played()8.-Whatweretheydoinginthelivingroom?-They_TV.A.arewatchingB.waswatchingC.werewatchingD.watch()9.She_theguitarfrom2p.m.to4p.m.yesterdayafternoon.A.wasplayingB.playedC.isplayingD.plays()10.Mybrother_whilehe_hisbicycle.A.fell,wasridingB.fell,wereridingC.hadfallen,rodeD.falls,wasriding()11.Jack_footballatthemoment.A.wasplayingB.isplayingC.playsD.played()12.T