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1、规则变化【过去式的变化规则】①一般情况下,在动词原形后直接加ed。如:want---wanted,play---played②以不发音的字母e结尾的动词,直接加d。如:hope---hoped,live---lived③重读闭音节单词需双写最后一个辅音字母,再加ed。如:stop---stopped,prefer---preferred④以辅音字母+y结尾的动词变y为i,再加ed。如:study---studied,worry---worried⑤有些动词不符合上面的规则,需要特殊记忆。如:am(is)-w
2、as,are-were,go-went,eat-ate,swim-swam,buy-bought,see-saw,teach-taught,bring-brought,think-thought,fall-fell,hurt-hurt,break-broke,win-won,lose-lost动词过去式变化规则AAA型(动词原形、过去式、过去分词同形)cost(花费)costcostcut(割)cutcuthit(打)hithithurt伤害)hurthurtlet(让)letletput(放)putput
3、read(读)readread(2)AAB型(动词原形与过去式同形)beat(跳动)beatbeaten(3)ABA型(动词原形与过去分词同形)become(变成)becamebecomecome(来)camecomerun(跑)ranrun(4)ABB型(过去式与过去分词同形)dig(挖)dugdugget(得到)gotgothang(吊死)hangedhangedhang(悬挂)hunghunghold(抓住)heldheldshine(照耀)shoneshonesit(坐)satsatwin(赢)wo
4、nwonmeet(遇见)metmetkeep(保持)keptkeptsleep(睡)sleptsleptsweep(扫)sweptsweptfeel(感觉)feltfeltsmell(闻)smeltsmeltleave(离开)leftleftbuild(建设)builtbuiltlend(借出)lentlentsend(传送)sentsentspend(花费)spentspentlose(丢失)lostlostburn(燃烧)burntburntlearn(学习)learntlearntmean(意思是)m
5、eantmeantcatch(抓住)caughtcaughtteach(教)taughttaughtbring(带来)broughtbroughtfight(战斗)foughtfoughtbuy(买)boughtboughtthink(想)thoughtthoughthear(听见)heardheardsell(卖)soldsoldtell(告诉)toldtoldsay(说)saidsaidfind(找到)foundfoundhave/has(有)hadhadmake(制造)mademadestand(站)
6、stoodstoodunderstand明白understoodunderstood(5)ABC型(动词原形、过去式与过去分词三者不同形)begin(开始)beganbegundrink(喝)drankdrunkring(铃响)rangrungsing(唱)sangsungswim(游泳)swamswumblow(吹)blewblowndraw(画)drewdrawnfly(飞)flewflowngrow(生长)grewgrownknow(知道)knewknownthrow(投掷)threwthrownsh
7、ow(出示)showedshownbreak(打破)brokebrokenchoose(选择)chosechosenforget(忘记)forgotforgotten(forgot)speak(说,讲)spokespokenwake(醒)wokewokedrive(驾驶)drovedriveneat(吃)ateeatenfall(落下)fellfallengive(给)gavegivenrise(升高)roserisentake(取)tooktakenmistake(弄错)mistookmistakenri
8、de(骑)roderiddenwrite(写)wrotewrittendo(做)diddonego(去)wentgonelie(平躺)laylainsee(看见)sawseenwear(穿)worewornbe(am,is,are)(是)was,werebeen①一般情况下,在动词原形后直接加ed。如:wanted,played。②以不发音的字母e结尾的动词,直接加d。如:hoped,lived。③重读闭音节单词