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1、过去进行时微课,岱岳区满庄一中 李华,一、定义：过去某一时间正在进行的动作。,二、与现在进行时的异同：,现在进行时的构成为：主语 十助动词am/is/are十动词的现在分词。,I was having dinner with my friends at this time yesterday.,You were having a math class at this time yesterday.,主语 十助动词was(were)十动词的现在分词,三、构成：,四、标志词：,at this time yesterday,at that time,at five last Sunday,the w
2、hole morning,all that day,then,last night,以及when,while引导的时间状语从句。,五、用法,（一）、过去某一时刻正在进行或发生的动作。,当老师进来时你们正在干什么？老师进来时他正在读书。他在读书时，我在写作业。,（二）、过去某个时间前后两个动作是同时进行的。,For example:,What were you doing when the teacher came in？,He was reading books when the teacher came in.,While he was reading books,I was doing m
3、y homework.,特别注意：when 与while 的区别,二者都有“当时”的意思，但while 后只能跟延续性动词（即后面可加ing的动词），而when 后既可跟延续性动词，又可跟非延续性动词，所有动词均可。,（三）、描述一件事发生的背景，一个长动作发生时，另一个短动作在发生。,For example:My brother fell while he was riding a bike.,我哥哥骑自行车时，摔倒了。,It was snowing when he left school.,他离开学校时，天在下雪。,（四）、常与always连用，表埋怨、责怪、表扬和喜欢等感情。,My fa
4、ther was always smoking when she was young.,我父亲年轻时，总是抽烟。,I remembered She was often smiling when I talked to her.,我记得当我和她说话时经常微笑。,For example:,Exercise,1.When I arrived at his office,he _on the phone.was talking B.talkedC.talk D.talks 2.-I called you yesterday evening,but nobody answered the phone.-
5、Oh,I_ a walk with my parents at that time.A.took B.was taking C.am talking D.take,3.They _(在买衣服）when the UFO arrived.4.What _ you_ when you _ the alarm?(当听到警报的时候,你在干什么?),were buying clothes,were,doing,heard,While,What were they doing yesterday afternoon?,He was playing basketball while she was sleeping.,
