《过去完成时》精讲.ppt

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1、知识点——过去完成时一、过去完成时结构：助动词had+p.p.(过去分词)用法：表示过去某一时间和动作之前已经发生或完成了的动作或一直持续的动作(过去的过去)。如：Bytheendoflastterm,wehadlearned600Englishwords.Hesaidhehadfinishedhishomework.Thefilmhadalreadybegunwhenwegottothecinema.【过去完成时】二、过去完成时的标志1.和by+过去时间点连用，如：bythetime,bythen,bylastye

2、ar,bytheendoflastyear/month…,byfiveo’clockyesterdayevening…Bytheendoflastterm,they____________(learn)10English.2.和before+过去时间点连用We____________(arrive)thestationbeforeteno’clock.3.和uptill/until+过去时间点连用，如：uptillthen,upuntillastnight…LiLei___________(wash)thedishe

3、suptillthen.hadlearnedhadarrivedhadwashed4.常用于宾语从句中Shesaidthatshe______________(write)threee-mails.5.和when,before,after,assoonas,until/till等引导的状语从句连用或用于从句中Lastnight,assoonasI_______________(finish)mywork,Iwenttosleep.6.根据上下文判断IwenttoLiHong’shouse,buthe_________

4、___(go)out.hadwrittenhadfinishedhadgone三、过去完成时特殊句型1.Nosooner…than…Hardly/Scarcely…when…句型：Ihadhardlygothomewhenitbegantorain.HardlyhadIgothomewhenitbegantorain.2.Itwasthefirsttimethat…句型：ItwasthefirsttimethatIhadvisitedBeijing.四、学习过去完成时需注意的两个问题1.过去完成时态的肯定式，否定式，

5、疑问式和简短回答。如：Ihadhadmybreakfastbeforesixo’clockthismorning.Ihadn’thadmybreakfastbeforesixo’clockthismorning.Hadyouhadyourbreakfastbeforesixo’clockthismorning?Yes,Ihad.No,Ihadn’t.2.如果两个动作紧接着发生，则通常不用过去完成时，用过去时态即可。IsawthemreadingbookswhenIcameintotheclassroom.AfterI

6、finishedmyhomework,Iwentouttoplay.【练习题】Sofialookedaroundatallthefaces:shehadtheimpressionthatshe________mostoftheguestsbefore.A.hasseenB.hadseenC.sawD.wouldsee【答案及解析】B。考查动词的时态和语态。句意：索菲亚看了看周围所有的面孔，她印象中大部分客人她以前都是见过的。根据句意知，此处see的动作发生在过去的过去，同时由题眼before可知，该空应该用过去完成时

7、态，故选B。