人教版九年级英语第十二单元A1a-1cppt课件.ppt

Unit12Lifeisfulloftheunexpected SectionA1a 2c 你能说出下列规则动词的过去式和过去分词吗 walk rush play want Warmup walkedwalked rushedrushed playedplayed wantedwanted get go leave oversleep have give 你能写出下列不规则动词的过去式和过去分词吗 ring run wake put Warmup rangrung ranrun wokewaken gotgot gotten wentgone leftleft oversleptoverslept hadhad putput gavegiven Warmingup Doyourememberanyunexpectedsituationinyourdailylife Whatdoyouthinkofthepeopleinthesepictures Theylookscared sad Hebrokehisarm Heisgettinganelectricshock Whathappenedtotheboy Lifeisfulloftheunexpected 1a Lookatthepictures Whathappenedtothegirl Mary sBadDay Tina smorning 1a HowdidTinalook Shegotuplate Sheoverslept Tellastory oversleep overslept overslept v 睡过头 睡得太久复合词中的over常有 过于 之意Don toversleep Dean Youaretobelate 迪恩 别睡过头了 你要迟到了 Bythetimeshegotup herbrotherhadalreadygottenintheshower when当 时候 Bythetimeshegotoutside thebushadalreadyleft when当 时候 Shewasrunningquickly WhatwasTinadoing Whenshegottoschool sherealizedshehadleftherbackpackathome ListentoMarytalkingabouthermorning Completethesentences BythetimeIgotup mybrother already intheshower BythetimeIgotoutside thebus already WhenIgottoschool IrealizedI mybackpackathome had gotten had left had left Boy Hi Mary Youlooksotired Mary Iam Ihadabadmorning Boy Really Whathappened Mary Well firstofallI BythetimeIgotup mybrother already intheshower Boy Oh whatapain Mary So afterhegotoutoftheshower Itookaquickshowerandgotdressed ButbythetimeI outside thebus already Boy Oh no Mary Oh yes SoIranallthewaytoschool ButwhenIgottoschool I I mybackpackathome Boy Nowonderyoulookstressed overslept had gotten realized had went left hadleft 咱们对话吧 通过刚才的听力训练 你来总结一下 1 BythetimeIgotup mybrotherhadalreadygottenintheshower BythetimeIgotoutside thebushadalreadyleft WhenIgottotheschool IrealizedIhadleftmybackpackathome 这三句话是什么时态的句子 2 过去完成时表示在过去某个时间 或动作之前已经发生或完成的动作 即 结构为 3 bythetime意思是 when 后接过去时的句子时 谓语动词用 观察与思考 过去的过去 过去完成时 had 过去分词 在 时候 过去式 Igothome Mylittlebrotherwenttobed BythetimeIgothome mylittlebrotherhadgonetobed past过去 过去的过去 过去完成时 过去完成时 1 构成 由 助动词had 用于各种人称和数 过去分词 构成否定式 hadnot 过去分词缩写形式 hadn t 2 用法 过去完成时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 3 它所表示动作发生的时间是 过去的过去 表示过去某一时间可用by before等构成的短语来表示 也可以用when before等引导的时间状语从句来表示 还可以通过状语从句或通过上下文暗示 ThePastPerfectTense过去完成时 常用于 1 含介词by到 为止 before等时间短语的句中 2 连词when bythetime before等引导的时间状语从句的主句中 3 用于主过从过的从句中 Irealizedhehadalreadylefthere Wehadlearnt20Englishsongsbytheendoflastmonth TheplanehadtakenoffwhenIreachedtheairport BythetimeIgotup mybrotherhadlefthome 过去完成时和already just ever yet等连用表示过去的过去 用法 例如 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 hadn tbeento 练习 用所给词的适当形式填空1 Whentheygottothestation thetrain leave 2 Bythetimeshegottoclass theteacher already