过去完成时公开课
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过去完成时可以表示过去某一时刻或某一动作之前完成的动作或呈现的状态。也就是说发生在“过去的过去”。定义：构成：had＋过去分词第1页/共16页常用的时间状语等标志词：1、by,before,when,bythetime等构成的短语或引导的从句。Eg.1)Bythetimeshecametothebusstop,thebushadalreadygone.2)Wehadfinishedthetaskbeforelastmidnight3)WhenIarrivedatthepostoffice,IfoundthatIhadlefttheletterathome4)AfterIhadfinishedmyhomework,Iwenttobed.第2页/共16页3、从过去开始，一直持续到过去的另一时间的动作、状态。常用since，for.Eg.ShesaidthatshehadlearnedEnglishforyearssincehecametoourschool注意：瞬间动词不能和一段时间状语，及since,for引导的从句和短语连用。2、由said,told,knew,heard,thought等引导的宾语从句中。Eg.Hetoldmethathehadheardofit.Ithoughtmyhomeworkhadbeenfininshed.ButIdidn’t.第3页/共16页6:007:00现在BythetimeIgotup,mysisterhadalreadywashedalltheclothes.第4页/共16页1.我到家时她已经睡了。BythetimeIgothome,shehadalreadygonetobed.2.到昨天晚上时消息已传遍全球。Byyesterdayeveningthenewshadspreadthroughtheworld.第5页/共16页3.他走以后我找到了那封信。Ifoundtheletterafterhehadgoneaway.Wereachedthecinemalate.Thefilmhadalreadybeenonfortenminutes.4.我们到电影院晚了,电影已经开始十分钟了。第6页/共16页现在完成时和过去完成时的区别：ThedifferencesbetweenPresentPerfecttenseandPastPerfecttense.ShehastaughtEnglishfor6years.“WhereisSusan”“ShehasgonetoAmerica”.表示过去某时发生的动作，这动作可能刚刚停止,也可能还在进行。第7页/共16页ShesaidshehadtaughtEnglishfor6years.(2)BythetimeIgottoLondon,shehadgonetoAmerica.表示过去某时之前发生的动作。现在完成时:主语+have/hasdone过去完成时:主语+haddone第8页/共16页过去的过去过去现在nowpast现在完成时过去完成时timetime第9页/共16页
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：答案选D。因为上大学是过去，学了五千个英语单词是在上大学之前，即“过去的过去”，所以用过去完成时。He_____morethan5,000Englishwordswhenheenteredtheuniversityattheageof15.(2005北京卷)haslearnedB.wouldhavelearnedC.learnedD.hadlearned第10页/共16页Canyoudoit?Byyesterdaymorning,he________(call)metentimes.Thepatient___________(die)whenthedoctorarrived.IsawLinFengyesterday.We___________(notmeet)eachotherforfiveyears.hadcalledhaddiedhadnotmet第11页/共16页4.IreturnedthebookthatI___________(borrow).5.Hesaidthathe___________(know)herwell.6.Thematch________(be)onforhalfanhour.7.Thematch_______(be)onforhalfanhourwhenIgotthere.8.They____(do)theworkat11o’clockyesterdaymorning.hadborrowedhadknownhasbeenhadbeendid第12页/共16页9.They________(do)theworkby11o’clockyesterdaymorning.10.Thepopsingers___________(leave)whenIgottothemusichalllastnight.Whatapity!11.Howcleantheroomistoday!Oh,yes!Who_________(clean)it?haddonehadleftcleaned第13页/共16页12.WhatwereyoudoingwhenJimphonedyou?I__________(finish)myhomeworkandwasstartingtotakeashower.13.HaveyoueverbeentoGuilin?Yes.I_________(go)therefourmonthsago.hadfinishedwent第14页/共16页Thankyou!Seeyounexttime!第15页/共16页感谢您的观看！第16页/共16页
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