单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 7,Good memories,Unit 7,Past continuous tense,过去进行时,Past continuous tense,基本概念,：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。,基本结构,：,主语,+was/were+doing+,其他内容,注,:doing,就是现在分词，词形变化与现在进行时相同,基本概念：过去进行时表示在过去某一时刻或某一段时间内,现在,将来,过去,B:I,was leaving,for school when Wenchuan Earthquake happened.,（一）过去进行时 的构成：,动词,was/were,现在分词,现在将来过去B:I was leaving for scho,1).,昨天的这个时候,我正在做作业。,I,was doing,my homework at that time yesterday.,2).,昨晚,我一直在看电视。,I,watched,TV last night.,1.,过去进行时常表示,过去某一时刻,或,过去某一阶段内,正在,进行的动作,。,过去某一时刻,过去某一阶段内,（,二,):,过去进行时的用法,：,I,was watching,TV last night.,强调过程,强调过去的事实,1).昨天的这个时候我正在做作业。I was doing,2.,过去进行时可表示一个动作发生时，另一个动作正在进行。,当我到家时，她正在做饭。,When,(,当,.,时侯,),I came home,she was cooking dinner.,一般过去式,过去进行时,2.过去进行时可表示一个动作发生时，另一个动作正在进行。当,While(When),you were speaking to the teacher,I saw you.,1).,你在和老师谈话时我看见了你。,3.,过去进行时可表示一个动作正在进行,另一个动作突然发生 。,（用一般过去式）,（用过去进行时）,（,while“,当,.,时侯”和进行时连用,并且连用,的动词要用,延续,性,动词,）,While(When)you were speaking,4.,过去进行时可表示两个动作同时进行,.,While I was watching TV,my mother was cooking.,当我在看电视时，我母亲在做饭。,2).,我正在做饭,就在那时,她敲门了。,I was cooking,when(,就在那时,),she knocked at the door.,when=and then,就在那时,when,当,.,时侯,4.过去进行时可表示两个动作同时进行.While I was,常用的时间状语,this morning,the whole morning,all day yesterday,from nine to ten last evening,when,while,at that time,just now,常用的时间状语this morning,the who,（三）与,过去进行时,连用的时间状语有,:,1.at this,（,that,）,time+,过去时间,2.at ten oclock+,过去时间,3.from 6 to 9+,过去时间,4.those days,5.,由,when,和,while,引导的一般过去时的句子,（三）与过去进行时连用的时间状语有:1.at this（t,不同的句式,肯定句：,主语,+was/were+doing+,其它,否定句,:,主语,+was/were+not+doing+,其它,一般疑问句,:,Was/Were+,主语,+doing+,其它,特殊疑问句,:,特殊疑问词,+was/were+,主语,+doing+,其它,不同的句式肯定句：,1.,过去进行时的结构是,was/were+doing,改变成一般疑问句时，只要将前面,was,或者,were,提前放到句首就可以了。,例如：,He,was reading,at 8 yesterday evening.,Was,he,reading,at 8 yesterday evening?,过去进行时的,一般疑问句,与,特殊疑问句,一般疑问句问语,=Was/Were+,主语,+doing+,其它,答语：,Yes,I was/were.,或,No,I wasnt/werent.,1.过去进行时的结构是 was/were+doing改,2.,过去,进行时特殊疑问句的结构是：,特殊疑问词,+was/were+主语+doing+其它,例,:(1),He,was playing the game,.,What was,he,doing,when I called you?,(2),I was/we were dancing,at ten last night,.,When,were,you,dancing,yesterday?,特殊疑问句,：以特殊疑问词开头，,对句中某一成分提问的句子叫特殊疑问句,。常用的疑问词有,：what、who、whose、which、when、where、how、why等。,2.过去进行时特殊疑问句的结构是：特殊疑问句：以特殊疑问词开,过去进行时的肯定式与否定式,1.,过去进行时的肯定式由“,主语,+was/were+,动词,ing,”,构成,例：,We were having supper when the phone rang.,我们正在吃晚饭时电话响了。,2.,过去进行时的否定式由“,主语,+was/were not+,现在分词,”构成,例：,This time yesterday Jack was not watching TV.He was repairing his bike.,昨天这个时候，杰克不是在看电视，而是在修理自行车。,过去进行时的肯定式与否定式1.过去进行时的肯定式由“主语+,（,四,）,过去进行时与一般过去时的区别,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，或者,已经,结束,了，,强调事实或结果。,1.She wrote a letter to her friend last night.,她昨晚给她的朋友写了封信（信写完了）,2.She was writing a letter to her friend last night.,她昨晚一直在给她的朋友写信。（信不一定写完）,（四）过去进行时与一般过去时的区别 1.She wrote,练一练,1.Kate was reviewing her lessons at eight last night.,（改为一般疑问句，并做肯、否定回答）,_ Kate _her lessons at eight last night?,_,she _.,_,she _.,2.They,were playing computer games,at nine last night.,（对划线部分提问）,_ _ they _ at nine last night?,练一练,练一练,1.I was singing songs yesterday morning.,否定句：_,2.They were drawing pictures when the teacher came in.,否定句：_,3.She was washing the window when the telephone rang.,否定句：_,练一练1.I was singing songs yeste,Answer,Was reviewing,Yes did,No didnt,What were playing,was-wasnt,were-werent,was-wasnt,Answer,Thank,you!,See,you,next,time.,Thank you!,