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,#,过去进行时,1,含义,：（,概念）,表示,过去,某个时刻,正在进行,的动作,。,（或过去一段时间正在进行的动作）,2.,句子结构,:,：,be(,was/were,)+doing,即：,主语,+was/were+doing sth.+,时间状语,3.,时间状语词,:at 8 oclock last night/this time yesterday,/at 5:00 yesterday afternoon/at that time,then,等连用,(,或者用另一动作来表示过去的时间,),过去进行时,表示,过去,某个时刻,正在进行,的动作。,例句,：,What,were,you,doing,at nine last night?,昨晚九点你正在干什么？,I,was takinga shower,at nine last night.,昨晚九点我正在洗澡,.,They were playing basketball at 5 oclock yesterdayafternoon.,昨天下午五点他们在打篮球。,：表示在过去某一时间内正在进行的动作。,She was writing a letter when I came in.,我进来时，她正在写信。,The barber was cutting my hair when they arrived.,他们到达时，理发师正在给我剪头发。,观看动画教学,What,were,they do,ing,at 10:30,Last Monday?,They,were,run,ning,.,What were you doing at 10:10 yesterday morning?,I,was going,shopping.,Where,was,she at 9:00 yesterday?,I think she,was,in/at,She,was sweeping,the floor at that time.,at 9:00 last night,Tom,What _ Tom _,at 7:30 this morning,?,She _ _ _,at 7:30 this morning,.,was doing,was cooking breakfast,One point,What _ they _,from 8 to 9 last night,?,They_,from 8 to 9 last night,.,were doing,were talking on the phone,One point,What,was,Alice,doing,when I,got out of the shower,from the,bathroom,?,She,was playing the piano,.,Talk about the pictures,What,were,they do,ing,yesterday afternoon?,1,2,3,I was,We were,cooking a meal.,playing volleyball.,having a PE class.,watching TV.,working in the,chemistry,lab.,Sweeping the floor.,making a model.,feeding my dog.,What were,you doing,last night?,last Saturday?,at ten oclock?,yesterday morning?,at noon yesterday?,Yesterday afternoon?,Pairwork:,Patterns:,A:What were you doing,at nine oclock last Sunday morning?,B:I was sleeping.How about you?,A:I was doing my homework.,B:You are kidding,when,和,while,的用法区别,1.,when,既指,时间点,，也可指,一段时间,;,while,只指,一段时间,.,2.,when,说明从句的动作和主句的动作可以是同时，也可以是先后发生；,while,则强调主句的动作在从句动作的发生的过程中或主从句两个动作,同时,发生。,When,the UFO landed,the boy was walking down the street.,=,While,the boy was walking down the street,the UFO landed,My mother was cooking dinner while my father was watching TV.,(1)“,当,的时候,”,如后面连接的动词为进行时态,则用,while,多于用,when,。而,when,通常与瞬间性动词或延续性不强的动词连用。,(2),如果,while,前后的动词都是进行时态,while,可译为“与此同时”,I,was reading,while,my brother,was drawing.,A:What,were,you,doing,when,the traffic accident happened?,B:We,were having,a party.,traffic accident,What,were,they,doing,when the plane took off?,They,were swimming,in the river.,take off,What,was,Alice,doing,when I,got out of the shower,from the,bathroom,?,She,was playing the piano,.,观看动画教学,过去进行时,着重描述当时正在持续进行的动作，它的特点是：,暂时，持续和未完成，强调过程,；,一般过去时,表示发生过的动作或存在的状态，即表示动作,发生过，而且已经结束了，强调结果,。,过去进行时与一般过去时的区别,过去进行时,侧重表示,动作延长的时间长度,;,一般过去时,表示过去某时发生过某事，,侧重说明事实,。,He _ a letter last night.,（过程描写，他一直写,，不一定完成）,He _ a letter last night and posted it this morning,（只说明他写了,的事实，动作已结束）,was writing,wrote,相同的过去时间可能会有不同时态,注：下列几类动词通常不用过去进行时。,表示状态的动词,be,；,感官动词：,feel,hear,see,smell,taste,等,;,表示思维或心理状态的动词：,believe(,认为,),forget,consider,know,remember,hope,wish,want,等；,表示所属关系的动词：,belong,have,own,hold(,容纳,),等。,Exercises,Choose“,when,”or“,while,”to fill in the blanks.,(1)I was walking in the street _ the accident happened.,(2)_ you have a meeting,you should turned off your mobile phone.,(3)_ you have PE class,you should wear sports shoes.,(4)_ I was doing my homework,the telephone rang.,(5)_ it was raining,the plane took off.,(6)_ the teacher was speaking to class,Nick stood up suddenly.,when,when,when,while,while,while,用所给动词的适当形式填空：,1.We _(wash)our clothes at six yesterday evening.,2.While Ann _(talk)with her desk mate,the teacher came in.,3.Look!Mary _ (clean)the room.,4.What _ you _(talk)about just now?,-We were talking about the movie.,5.They _(move)to Paris last month.,6.He _(read)a novel from 8 to 12 yesterday morning.,7.What _ he _(do)at five oclock yesterday afternoon.,8.He _(watch)TV when I came in.,9.She _(do)her homework while her mother _(cook).,10.He _(wait)for me when the train arrived.,Summary:,过去进行时的构成：,1.,概念,:,表示过去某个时刻或过去一段时间正在进行的动作,.,2.,公式,:,主语,+was/were+doing sth+,时间状语,3.,指示词,:then,at that time,once,等连用,或者用另一动作来表示过去的时间,.,初中英语课件,madeofdingshangtuwen,
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