过去进行时-全面讲解.ppt

过去进行时一、定义1.表示过去某个时刻正在进行的动作。Hewashavingbreakfastatsixo'clockyesterdaymorning.2.表示过去某个时间段正在进行的动作。Hewaswritingstoriesthewholemorning.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,Iwasn’t.(2)Washehavingbreakfastatseventhismorning?Yes,hewas./No,hewasn’t.4.特殊疑问句：疑问词+was/were+主语+doing+其它？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。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.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____________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()7.Jack__________footballatthemoment.A.wasplayingB.isplayingC.playsD.played()8.---Whatweretheydoinginthelivingroom?---They__________TV.A.arewatchingB.