陕西中考英语专题复习过去完成时.ppt

过去完成时,构成：助动词had+动词的过去分词（V.pp),用法：,强调过去某一动作发生在另一动作之前。,过去完成时：,强调“过去的过去”,他说他以前见过你。,Hesaidthathe_(see)youbefore.,hadseen,1.用于宾语从句中，表示在说话前已完成。可和already,never,ever,yet等连用。,Eg:1.他告诉我说他们队已经赢了。,Hetoldmethathisteam_already_(win).,had,won,2.她说她仍没去过长城。,Shesaidthatshe_(notgoto)theGreatWallyet.,hadntbeento,过去分词的构成：,1.规则动词的变化：,a)一般情况下在动词后面加ed,work-worked,play-played,b)以e结尾的动词直接加d,use-used,refuse-refused,c)以辅音字母加y结尾的动词，把y改i再加ed,study-studied,carry-carried,d)以重读闭音节结尾的，前面有单个元音字母时，双写辅音字母，再加ed,stop-stopped,drop-dropped,2.不规则动词的变化见课本18-19页,过去完成时的构成：由助动词had+动词的过去分词（V.pp),2.还可与when,before,assoonas,till/until等引导时间状语的从句连用，强调动作发生的时间前后。,eg：1.她到家之前她的孩子已经睡着了。,Whenshegothomeherchildren_(sleep).,hadslept,2.在他们到达之前电影已经开始了。,Beforetheyarrivedherethefilm_already_(start).,had,started,Lastnight,assoonasI_(finish)myworkIwenttosleep.,3.我完成作业了就去睡觉了。,hadfinished,3.表过去的过去已开始，这一动作一直持续或还将持续下去。,Bysixoclockthey_(work)foreighthours.,WhenIcametoGZ,he_(be)thereforalongtime.,1.到了六点钟为止，他们已经工作了八小时了。,2.我到广州时，他在那里很长时间了。,hadworked,hadbeen,3.到上个月底我们在北京住了有五年时间了。,Bytheendoflastmonthwe_(live)inBeijingforfiveyears.,hadlived,1.到昨晚上，他已写完那封信。,Byyesterdayeveninghe_(write)thatletter.,3.当我进来时，他已做完了作业。,WhenIcameinhe_(finish)hishomework.,过去完成时与bythen(截止到那时);by9oclock(直到九点钟)bytheendof(在结束/末之前);bythetime(在时之前);uptillthen(直到那时);upuntillastnight(直到昨晚）等连用，表示过去的过去。,hadwritten,hadfinished,时间标志词,1.Afterhe_(finish)hisworkhewentout.,hadfinished,2.Thechildrenranawayafterthey_(break)thewindow.,hadbroken,3.IwenttoTomshousebuthe_(go)out.,hadgone,Exercises:,4.Annietoldmethathisfather_(go)toParisandhe_(come)backinafewdays.,hadgone,wouldcom