过去进行时语法归纳

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1、过去进行时语法归纳(PastContinousTense)   过去进行时PastContinousTense项目内容备注概念表示在过去某一时刻或某一段时间内正在进行或发生的动作。 构成was/were+V-ing 例句Wewerehavingdinnerwhenthetelephonerang. 肯定形式Hewasdoinghishomeworkat8p.m.lastnight.变化形式与现在进行时一样，除了助动词由am/is/are改为was/were。否定形式Hewasnotdoinghishomeworkat8p.m.lastnight.疑

2、问形式Washedoinghishomeworkat8p.m.lastnight?关键词atthistimeyesterdayatthattimeatninelastnightfromninetotenlastnightthewholemorningthosedayswhenwhile(just)then有时候句子中没有时间状语，用什么时态要根据具体内容判断； 某些时间状语用什么时态要根据句子的上下文判断，用一般过去时表示动作的完成，用过去进行时表示的持续进行。与一般过去时的区别过去进行时表示过去某时正在进行的动作。一般过去时表示一个完成的动作。I

3、wrotealetterthismorning.今天上午我写了一封信。（信写完了）Iwaswritingaletterthismorning.今天上午我在写一封信。（信不一定写完）ThechildrenwatchedTVyesterdayevening.昨晚孩子们看了电视。（强调过去发生了这件事）ThechildrenwerewatchingTVyesterdayevening.昨晚孩子们都在看电视。（强调昨晚看电视这件事的持续性） 动词填空：1. Simon_________(make)amodelplaneat8a.m.2. Peter____

4、______(do)hishomeworkat7p.m.lastnight.3. They__________(watch)afootballmatchfrom7p.m.to9p.m.lastnight.4. He_________(draw)aplaneontheblackboardatthattime.5. Whatbook_________you________(read)whenI_______(see)youatfouryesterdayafternoon?6. Whileshe_________(watch)TV,herson_____

5、____(play)outsidetheroom.7.It_______(begin)torainwhilewe________(work)inthefield.8. I______(do)myhomeworklastnightwhenthelight_________(go)out.9.Girls________(dance)whileboys_______(sing)attheparty.10. Whentheteacher_______(come)intotheclassroom,thestudents______(laugh)loudly.

6、11. I________(walk)inthestreetwhensomeone____________(call)me.12. Whilewe__________(wait)forthebus,agirl__________(run)uptous.13. I__________(telephone)afriendwhenBob__________(come)in.14. We__________(test)thenewmachinewhentheelectricity__________(go)off.15. Whilemother______

7、__(put)Cathytobed,thedoorbell________(ring).16. Itwasquitelateatnight.George__________(read)andAmy__________(ply)her pianowhenthey__________(hear)aknockatthedoor.17. ______they______(feed)theanimalsat5:00yesterdayafternoon?18. Mrs.Green__________(notwash)clothesatthistimeyeste

8、rday.19. Grandpa____________(mend)hisclockwhenIreachedhome.20