《过去进行时复习》PPT课件

ThePastContinuousTense过去进行时Revision:过去进行时1.概念:表示过去某一时刻或某段时间内正进行的动作。2.构成:was/were+动词现在分词句式:肯定句：主语+was/were+doingsth.+时间状语否定句：主语+was\were+not+doingsth.+时间状语一般疑问句：Was\Were+主语+doingsth.+时间状语？肯定回答：Yes，主语+was\were.否定回答：No，主语+wasn’t\weren’t.3.标志词:atthattime,at+点时间+yesterday,at+点时间+lastnight,fromAtoBthismorning或者由when，while引导的时间状语从句.Tomplayfootballatthistimeofyesterday.wasingShewasreadabookat2:30p.m.yesterday.ingWhatwasTomdoingatthistimeofyesterday?WhatwasLucydoingat2:30p.m.yesterday?TheywatchTVfrom6to8lastnight.wereingThetwinsthinkwereing.Whatweretheydoingfrom6to8lastnight?Whatwerethetwinsdoingatthistimeyesterday?现在分词的构成1)一般动词在词尾加-ing,如go--going。2)以不发音字母e结尾的动词,先去掉e,再加-ing。come--comingmake--makingwrite--writing3)以重读闭音节结尾的动词,如果末尾以一个辅音字母结尾,应先双写这个字母,再加ing，x和w结尾的除外。如:get--gettingswim--swimmingshow--showing4)以字母y结尾的单词,直接加ing。如carrying、playing、studying。5)以字母ie结尾的动词,变ie为y,再加ing。die→dyinglie→lying6)以元音字母加e结尾,或以e结尾,且e发音的动词,直接加-ing。see--seeingbe--being以when和while引导的时间状语从句1)延续性动词和非延续性动词延续性动词指动作可以延续一段时间,而不是瞬间结束。如:work、study、drink、eat等。非延续性动词指动作极为短暂，瞬间结束。如:start、begin、hit、jump、knock等。2)在本单元中,出现了以when和while引导的时间状语从句。when表示“当……的时候”。从句中既可用延续性动词,又可用非延续性动词,这些动词既可以表示动作,又可表示状态。while表示“在……的时候”、“在……期间”。它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作过程中。While从句中必须是表示动作或状态的延续性动词。当...的时候1.when+现在时/过去时2.while+进行时态.含义：表示过去某个时刻正在进行的动作。结构：was/were+doing例句：Whatwereyoudoingatthistimeyesterday?Wewerehavingamathclass.含义：表示现在正在进行的动作。结构：am/is/are+doing例句：Whatareyoudoingnow?WearehavinganEnglishclass.现在进行时过去进行时过去进行时和一般过去时的区别过去进行时表示过去正在进行的动作,而一般过去时则表示一个完整的动作。如：Theywerewritingletterstotheirfriendslastnight.昨晚他们在写信给他们的朋友。(没有说明信是否写完)Theywroteletterstotheirfriendslastnight.他们昨晚写了信给他们的朋友。(表达了他们已写好的意思,整个写的过程已完成)练一练1.What________yourbrother________(do)atnineo’clocklastnight?2.They____________(listen)tomusicatthattime.3.WhenIsawhim,he_____________(play)thepiano.4.They______________(discuss)aprobleminthemeetingroomatthistimeyesterday.5.______Amy______(visit)theScienceMuseumfrom9:00a.m.to11:00a.m.yesterday?wasdoingwerelisteningwasplayingwerediscussingWasvisiting1._______Jenniferwasreadingamagazine,hissisterwaslisteningtothepopmusic.A.WhileB.WhenC.Whattime2.Iwastryingtodrawacatontheboard_________theteachercamein.A.whileB.whenC.whattime3.MybestfriendvisitedmyhousewhileI_______dinnerinthekitchen.A.cookedB.cookingC.wascookingABC4.—DickgavemeanotewhileI______inthelibrary.—Iguesshemadeittosay“sorry”toyou.A.amreadingB.wasreadingC.readsD.willread5.---WhereisLucynow?---Look!She___TVwithhermotherinthelivingroom.A.iswatchingB.watchingC.waswatchingD.watchedBA1._______weweretalkingintheclassroom,theteachercamein.2._______theygottotheairport,itwasraining.3._______shewasreadingabook,thephonerang.4._______Isawtheboy,hewaswearinganewcoat.5._______hewasreading,hefellasleep.用when或while填空。WhileWhenWhileWhenWhileⅡ.Translatethesesentences.1.上课铃响时,你在干什么?What_____you______whentheclassbellrang?2.当我妈妈进来时我正在看书.I_____________whenmymothercamein.3.昨天晚上十点钟她正在做饭.She____________atteno’clock_____________.weredoingwasreadingwascookinglastnightExercise根据句意，选择正确的选项。1.She(waswatching/watched)TVwhenhermother(wascoming/came)in.2.John(wasreading/read)abookat10:00amlastnight.10:00amlastnight3.It(wasraining/rained)hardat9:00pmlastnight.9:00pmlastnight