过去进行时复习.ppt

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1、The Past Continuous Tense,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+doing sth.+时间状语否定句:主语+waswere+not+doing sth.+时间状语一般疑问句:WasWere+主语+doing sth.+时间状语?肯定回答:Yes,主语+waswere.否定回答:No,主语+wasntwerent.,3.标志词:at that time,at+点时间+yesterday,at+点时间+last night,from A

2、to B this morning或者由when,while引导的时间状语从句.,Tom,play,football at this time of yesterday.,was,ing,She,was,read,a book at 2:30 p.m.yesterday.,ing,What was Tom doing at this time of yesterday?,What was Lucy doing at 2:30 p.m.yesterday?,They,watch,TV from 6 to 8 last night.,were,ing,The twins,think,were,in

3、g.,What were they doing from 6 to 8 last night?,What were the twins doing at this time yesterday?,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-making write-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-swimming show-showing,4)以字母y结尾的单词,直接

4、加ing。如carrying、playing、studying。5)以字母ie结尾的动词,变ie为y,再加ing。die dying lie 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。wh

5、en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.,when&while+句子,含义:表示过去某个时刻 正在进行的动作。结构:was/were+doing例句:What were you doing at this time yesterday?We were having a math class.,含义:表示

6、现在 正在进行的动作。结构:am/is/are+doing例句:What are you doing now?We are having an English class.,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:They were writing letters to their friends last night.昨晚他们在写信给他们的朋友。(没有说明信是否写完)They wrote letters to their friends last night.他们昨晚写了信给他们的朋友。(表达了他们已写好的

7、意思,整个写的过程已完成),练 一 练,1.What _ your brother _(do)at nine oclock last night?2.They _(listen)to music at that time.3.When I saw him,he _(play)the piano.4.They _(discuss)a problem in the meeting room at this time yesterday.5._ Amy _(visit)the Science Museum from 9:00 a.m.to 11:00 a.m.yesterday?,was,doing

8、,were listening,was playing,were discussing,Was,visiting,1._ Jennifer was reading a magazine,his sister was listening to the pop music.A.WhileB.When C.What time2.I was trying to draw a cat on the board _ the teacher came in.A.whileB.when C.what time3.My best friend visited my house while I _ dinner

9、in the kitchen.A.cookedB.cooking C.was cooking,A,B,C,4.Dick gave me a notewhileI _ in the library.I guess he made it to say“sorry”to you.A.am reading B.was reading C.reads D.will read 5.-Where is Lucy now?-Look!She _TV with her mother in the living room.A.is watching B.watching C.was watching D.watc

10、hed,B,A,1._ we were talking in the classroom,the teacher came in.2._ they got to the airport,it was raining.3._ she was reading a book,the phone rang.4._ I saw the boy,he was wearing a new coat.5._ he was reading,he fell asleep.,用when或while填空。,While,When,While,When,While,.Translate these sentences.,

11、1.上课铃响时,你在干什么?What _ you _ when the class bell rang?2.当我妈妈进来时我正在看书.I _ _ when my mother came in.3.昨天晚上十点钟她正在做饭.She _ _ at ten oclock _ _.,were,doing,was reading,was cooking,last night,Exercise,根据句意,选择正确的选项。1.She(was watching/watched)TV when her mother(was coming/came)in.2.John(was reading/read)a book at 10:00am last night.,10:00am last night,3.It(was raining/rained)hard at 9:00 pm last night.,9:00 pm,last night,Thank You!,

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