unit 8 natural disasters 课件2

《unit 8 natural disasters 课件2》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit8NaturaldisastersTomplayfootball.isingLucyisreadabook.ingWhatisTomdoing?WhatisLucydoing?Presentcontinuoustensebe(am/is/are)+verb-ing现在进行时Tomplayfootball.wasingLucywasreadabook.ingWhatwasTomdoingatthatmoment?WhatwasLucydoingat2:30p.m.yesterday?TheywatchingTVfrom6to8.wereThetwinsthinkwereing.Wha

2、tweretheydoingfrom6to8lastnight?Whatwerethetwinsdoingatthistimeyesterday?Whatweretheydoing?Theyweredoingmorningexercisesat9:05yesterdaymorning.TheywereplayingbasketballatthistimelastSunday.Shewasdrinkingmilkatthistimeyesterday.atthattime.Shewasplayingcomputergamesfrom10to11yesterdaymorning.Hewasre

3、adingnewspaperTheyweredoingmorningexercisesat9:05yesterdaymorning.TheywereplayingbasketballatthistimelastSunday.Hewasdrinkingmilkatthistimeyesterday.Canyouworkouttherule?Shewasreadingnewspaperfrom10to11yesterdaymorning.Iwasplayingcomputergamesatthattime.Pastcontinuoustensebe(was/were)+verb-ing过去进行

4、时过去进行时主要表示在过去某一时刻正在进行的动作。e.g.a)Theywereeatingbreakfastat7:00amyesterday.b)Iwaswritingaletteratthistimeyesterday.c)Fiveminutesago,DannywaslookingoutofthewindowandSuzywasreadingabook.2.在过去某段时间一直在进行的动作e.g.a)From1983to1998,hewasteachingatYale.b)Theywerebuildingadamlastwinter.Makesentences.1.at9o’clock

5、lastSunday2.atthistimeyesterday3.from7a.m.to6p.m.lastMonday4.atthattime5.from9to10lastnightwatchTVreadbookspractiseswimmingwatchtheparademakecakes过去进行时的句式1)基本结构：was/were+Ving2)肯定句:主语+was/were+Ving3)否定句：was/werenot+Vingwasnot=wasn’twerenot=weren’t4)疑问句：将was/were移到主语前5)特殊疑问句：疑问词+was/were+主语+Ving…?Wa

6、sshetalkingatthattime?No,shewasnottalkingatthattime.No,theywerenotteachingEnglish.WeretheyteachingEnglish?Weusethepastcontinuoustensetotalkaboutthingsthatwerehappeningataparticulartimeinthepast.Pastcontinuoustense过去进行时过去进行时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。形式为was/were+V-ing。常与表示过去的时间状语连用，如：lastnight,last

7、Saturday等；或者与when,while,as引导的过去时间状语连用。Iwas(not)sleepingat10p.m.lastnight.You/We/Theywere(not)He/She/Itwas(not)WasIsleepingat10p.m.lastnight?Wereyou/we/theyWashe/she/itYes,Iwas.you/we/theywere.he/she/itwas.No,Iwas