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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。Iwashavingdinnerwithmyfriendsatthistimeyesterday.Youwerehavingamathclassatthistimeyesterday.主语十助动词was(were)十动词的现在分词三、构成:四、标志词:atthistimeyesterday,atthattime,atfivelastSunday,thewholemorning,allthatday,then,lastnight,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。Forexample:Whatwereyoudoingwhentheteachercamein?Hewasreadingbookswhentheteachercamein.Whilehewasreadingbooks,Iwasdoingmyhomework.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。Forexample:Mybrotherfellwhilehewasridingabike.我哥哥骑自行车时,摔倒了。Itwassnowingwhenheleftschool.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。Myfatherwasalwayssmokingwhenshewasyoung.我父亲年轻时,总是抽烟。IrememberedShewasoftensmilingwhenItalkedtoher.我记得当我和她说话时经常微笑。Forexample:Exercise1.WhenIarrivedathisoffice,he_____onthephone.A.wastalkingB.talkedC.talkD.talks2.--Icalledyouyesterdayevening,butnobodyansweredthephone.--Oh,I_____awalkwithmyparentsatthattime.A.tookB.wastakingC.amtalkingD.take3.They______________________(在买衣服)whentheUFOarrived.4.What________you________whenyou_____thealarm?(当听到警报的时候,你在干什么?)werebuyingclothesweredoingheardWhileWhatweretheydoingyesterdayafternoon?Hewasplayingbasketballwhileshewassleeping.
本文标题:过去进行时微课课件
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