英语：过去完成时态课件

Welcometoourclass!ByZhaoFenYan2013.12过去完成时态ThePresentPerfectTense现在完成时态一、Meaning（意义）二、Structrue(结构)三、Useage(用法)四、adverbialoftime（常见的时间状语）1.我已经完成了我的作业。2.你在这儿住了多长时间了？3.他不可能在家，因为他还没有回来。4.格林先生已经病了三天了。5.自从他来到中国就一直在这所学校教英语。Newlesson（新课）教学重、难点1.对过去完成时的意义、结构、用法等的整体系统把握并学会用。2.过去完成时与现在完成时的区别。一、Theoverallperception（整体感知）按要求完成下列句子。1.Shesaid,“themoviehasbegun.”(变成间接引语)Shesaidthatthemoviehadbegun.2.Hegottothebusstopfiveminutesago.Thebuslefttenminutesago.(分别用bythetime、when、before把两个句子连接成一个句子)Bythetimehegottothebusstop,thebushadleft.Whenhegottothebusstop,thebushadleft.Thebushadleftbeforehegottothebusstop.你觉得过去完成时的构成是什么？had+动词过去分词6:007:00现在BythetimeIgotup,mysisterhadalreadywashedalltheclothes.1.BythetimeIgothome,shehadalreadygonetobed.2.ByyesterdayeveningIhadfinishedreadingthisbook.3.Whenwegottothecinema,themoviehadalreadybeenonfortenminutes.说说过去完成时的意义是什么？表示过去某时间或某动作之前已发生或完成的动作即“过去的过去”。1.HowmanyEnglishfilmshadyouseenbytheendoflastmonth?2.Hehadfinishedtheworkbeforeteno’clockthismorning.3.ThematchhadalreadybegunwhenIgottotheplayground.4.BythetimeIsawDavidyesterday.Wehadnotseeneachotherforsevenyearssinceweleftschool.和组内同学学习下列句子，讨论过去完成时的用法。1.用于by、before、after+过去时间的句子中。Ihadgottoschoolbefore7o’clockthismorning.2.用于when、before、after、bythetime等引导表示过去的状语从句或that等引导的宾语从句中。IlefttheclassroomafterIturnoffthelignt.3.用于过去某时间开始持续到过去另一时间的动作，常与for+一段时间或since+过去时间连用，前提是句中要有一个表过去的动作做参照。HehadlearnedChineseforthreeyearsbeforehecametoChina.跟你的想法一样吗？过去完成时的用法：1.HowmanyEnglishfilmshadyouseenbytheendoflastmonth?2.IsawDavidyesterday.Wehadnotseeneachothersinceweleftschool.3.Hadyoufinishedyourhomeworkbeforedinneryesterday?Yes,Ihad知道过去完成时的句式变化借助于什么吗？借助于had完成各种句式二、Practiceusing（练习应用）选择填空()1.---“DidyouseeTomattheparty?”---“No,Marytoldmethathe___bythetimeIgotthere.”A.leftB.wasleavingC.hadleftD.hasleft()2.Hesaidthathe____hislunchyet.A.hadn’thadB.hasn’thadC.wouldn’thaveD.washaving()3.Bytheendoflastyearwe____eachotherfortenyears.A.haveknownB.knewC.wereknowingD.hadknown()4.IsawLiLeiyesterday.Wehadn’tseeneachother______IleftBeijing.A.afterB.beforeC.sinceD.untilcADc()5.Ilearned_______thecityforalongtime.A.shehasbeeninB.shehasgonetoC.shehadbeeninD.shehadgoneto()6.Hesaidthathe_______acoldforthreedays.A.hasB.hadcaughtC.hadhadD.hasgot()7.IsawKatewithanewradioinherhandyesterday,butshetoldmeshe______theradiofortendays.A.hasboughtB.hadboughtC.hashadD.hadhad()8.Thefilm______whenIgotthere.A.hasbegunB.hadalreadystartedC.beganD.havealreadybegunccDBCanyoudoit?1.Byyesterdaymorning,he________(call)metentimes.2.Thepatient___________(die)whenthedoctorarrived.3.IsawLinFengyesterday.We___________(notmeet)eachotherforfiveyears.hadcalledhaddiedhadnotmet4.IreturnedthebookthatI___________(borrow).5.Hesaidthathe___________(know)herwell.6.Thematch________(be)onforhalfanhour.7.Thematch_______(be)onforhalfanhourwhenIgotthere.8.They____(do)theworkat11o’clockyesterdaymorning.hadborrowedhadknownhasbeenhadbeendid试作比较：昨天我见到王先生了．自从他离开北京我们就一直未曾见过面。•IsawMr.Wangyesterday.WehadnotseeneachothersinceheleftBeijing.自从他离开北京我们就一直未曾见过面。•WehavenotseeneachothersinceheleftBeijing.试做一做：1.我在这工作已经五年了。2.到2005年8月，我在这工作已经五年了。现在完成时表示的动作发生在过去,但侧重对现在产生的结果或造成的影响,与现在有关;过去完成时则是一个相对的时态,它所表示的动作不仅发生在过去,更强调”过去的过去”与现在无关,只有和过去的某时或某动作相比较时,才用到它.另外还可理解为：现在完成时的起点在过去终点在现在，而过去完成时的起点在过去终重点在另一个过去。过去完成时与现在完成时的区别想一想？Morepractice:1.Hetoldmehe________(meet)herbefore.2.ShethankedmeforwhatI_______(do)forherson.3.I________(learn)300wordsbytheendoflastmonth.4.He_______(leave)hisoffice5.She_________(visit)thecitythreetimesbefore.6.Theyknewshe___________(borrow)alotofmoneyforherdaughter.7.Greatchanges__________(take)placeinmyhometownsince1996.8.He__________(live)inBeijingsincehewasborn.9.Hetoldmehe________(live)inBeijingsincehewasborn.hadmethaddonehadlearnthadlefthadvisitedhadborrowedhavetakenhaslivedhadlived三、Developingorimproving(拓展提高)•Ingroupsmakeupconversations,trytousebothtwoperfecttenses.(小组内编排对话，尽量两种完成时态都应用到。)•四、Studyingafterclass（课外延伸学习）1.过去完成时的过去分词变化规则。2.过去完成时与一般过去时的区别。