英语时态-过去完成时ppt

ThePastPerfectTense过去完成时态授课人：李鑫悦•概念：表示发生在过去一个动作之前已经发生或完成了的动作。过去的过去1.Thefilmhadbegunwhenwegottothecinema.当我到达电影院的时候，电影已经开始了。2.Beforehearrived,thetrainhadleft.他到达之前，火车已经离开了。3.Bysixo’clockyesterdayevening,Ihadfinishedmywork.到昨天晚上六点，我已经完成了我的工作结构：助动词had+p.p.(过去分词)Eg:1.Thefilmhadbegunwhenwegottothecinema.当我到达电影院的时候，电影已经开始了。2.Beforehearrived,thetrainhadleft.他到达之前，火车已经离开了。3.Bysixo’clockyesterdayevening,Ihadfinishedmywork.到昨天晚上六点，我已经完成了我的工作Eg:时间轴futurenowfuturenowfuturenowfuturenowABABABABpast过去的过去futurepastnowfuturepastfuturepastnowfuturepast6:007:00现在BythetimeIgotup,mysisterhadalreadywashedalltheclothes.有两个动作，都发生在过去，先后发生，先发生的用过完，后发生的用过去。口诀：Bytheendoflastterm,they____________(learn)500Englishwords.1.和by+过去时间点连用,如：bythetime,bythen,bylastyear,bytheendoflastyear/month…,byfiveo’clockyesterdayevening…过去完成时态的标志：2.和before+过去时间点连用We____________(arrive)thestationbeforeteno’clock.hadlearnedhadarrived3.和uptill/until+过去时间点连用，如：uptillthen,upuntillastnight…LiLei___________(wash)thedishesuptillthen.hadwashed4.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.hadfinished