湖北省武汉市北大附中武汉为明实验中学九年级英语全册《过去完成时》课件 人教新目标板.ppt

grammar 他昨天去看医生了 hevisitedthedoctoryesterday 他们昨天去野餐了 theywentpicnicyesterday 他已经读了两个小时的书了 hehasreadbooksfortwohours 她还没有完成作业 shehasnotfinishedherhomework hevisitedthedoctoryesterday theywentpicnicyesterday hehasreadbooksfortwohours shehasnotfinishedherhomework 我昨天六点之前就完成作业了 thepresentperfecttense thepasttense thepastperfecttense 过去完成时 objectives learntheformofthepastperfecttense learntheusagesofthistense practicethistense tina smorning sheoverslept someonewastakingashower bythetimeshegotup herbrother intheshower hadalreadygotten thebusleft bythetimeshegotoutside thebus hadalreadyleft shewasrunningquickly leftherbackpackathome whenshegottoschool sherealizedshe hadleftherbackpackathome bythetimeigotup mybrotherhadalreadygottenintheshower 2 bythetimeigotoutside thebushadalreadyleft 3 whenigottoschool irealizedihadleftmybackpackathome had p p 过去分词 s 主语 form grammar thepastperfecttense过去完成时过去完成时 pastperfect 表示在过去某一时间或动作之前已经发生或完成了的动作或状态 usages 1 他说他以前见过你 hesaidthathe see youbefore 过去某时间或动作之前完成的动作或状态 过去的过去 2 到昨天六点钟为止 他们已经工作了八小时了 bysixo clockyesterdaythey work foreighthours 过去某一时间的动作延续到过去另一时间 hadseen hadworked 1 到昨晚上 他已写完那封信 byyesterdayeveninghe write thatletter 3 过去完成时与bythen 截止到那时 by9o clock 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 bytheendoflastmonth i read threebooks hadread 2 到上个月末 我已经读了三本书了 4 过去完成时与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 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 answertime 我昨天六点之前就完成作业了 ihadfinishedmyhomeworkbeforesixyesterday conclusion formusages had p p 过去分词 s 主语 1 afterhe finish hisworkhewentout 2 thechildrenranawayafterthey break thewindow 3 iwenttotom shousebuthe go out homework 4 annietoldmethathisfath