一般过去时的讲解课件.ppt

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1、Grammar知识结构构成意义常用时间标志动词的过去式1.表示过去某个时间发生的动作或存在的状态。2.表示过去经常或反复发生的动作。yesterdaymorning/afternoonlastnight/week/year/Sunday/in1990twoyears/weeksagoGrammar一般过去时动词过去式的变化1.动词be的变化：waswereamisare2.助动词do的变化：do→did(在过去时里助动词do没有人称和数的变化)如：Didyouplaysocceryesterday?Didheplaysocceryesterd

2、ay?3.实义动词的变化：实义动词分规则变化和不规则变化。规则变化有以下几种：(1)一般情况下在动词后加-ed。e.g.play—playedvisit—visitedwalk—walkedclean—cleaned(2)以不发音的e结尾的词，在词尾加-d。e.g.live—livedlike—likeddance—dancedhope—hoped(3)以一个元音加一个辅音字母结尾的重读闭音节结尾的单词，要先双写这个辅音字母，再加-ed。e.g.stop—stoppeddrop—droppedplan—planned(4)以辅音字母加y结尾的

3、单词，先改y为i，再加-ed。e.g.study—studiedcarry—carried不规则变化需要按一定的规律逐个记忆。规则动词词-ed的读音清念/t/,元浊/d/;/t//d/之后念/id/1、清念/t/，即ed在清辅音后面念/t/,例：finishedhelpedpassedcooked2.元浊/d/,即ed在元音，浊辅音后面/d/例：borrowedenjoyedcalledmoved3、/t//d/之后念/id/,即ed在/t//d/音后面念/id/例：wantedshoutedneededcounted◆不规则变化(需逐个记忆

4、)：do—didcome—camego—wentsit—sathave—hadcan—couldtake—tookgive—gaveput—putget—gotswim—swameat—atetell—toldsleep—sleptsee—sawwear—worelie—laydrink—drankfind—foundwrite—wrotecan—couldwill—wouldsing—sangread—readdo—didgo—wentread—readsee—sawget—gotsit—sathave/has—hadam/is—was在本

5、单元中出现的不规则动词有以下几个：III.写出下列单词的过去式talkmilkam/isaregoridefeedtakedoseetalkedwaswentfeddidmilkedwererodetooksawI___12yearsoldthisyear.我去年11岁.I____11yearsoldlastyear.He____inBeijingnow.他昨天在上海。He____inShanghaiyesterday.他现在在北京。Pleaselookatthesentences我今年12岁.amwasiswasThey____inChin

6、atoday.他们今天在中国。They____inJapanyesterday.他们昨天在日本。areweream/iswasarewere每天，早餐我吃鸡蛋和牛奶。I____eggsandmilkforbreakfasteverymorning.昨天，早餐我吃面条。I____noodlesforbreakfastyesterdaymorning.他每天都吃水果。He_____fruiteveryday.昨天他吃了3个苹果。He_____3applesyesterday.have/hashadhavehashadhadIgetupat6:30

7、everymorning.I___upat9:00lastSunday.Heplaysfootballeveryafternoon.He_____basketballyesterdayafternoon.Hedoeshishomeworkeveryevening.He____somereadinglastnight.动词原形、第三人称单数动词过去式gotplayeddidTheydon’twatchTVintheevening.They_________TVlastnight.Shedoesn’tplaybasketballafterscho

8、ol.She_________basketballafterschoolyesterday.Doyougotoschoolonfooteveryday?___you