过去式的不规则变化 过去式的不规则变化和规则变化

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---played

② 以不发音的字母e结尾的动词,直接加d。

如:hope---hoped,live---lived

③ 重读闭音节单词需双写最后一个辅音字母,再加ed。

过去式的不规则变化 过去式的不规则变化和规则变化

如:stop---stopped, prefer---preferred

④ 以辅音字母+y结尾的动词变y为i,再加ed。

如:study---studied,worry---worried

⑤ 有些动词不符合上面的规则,需要特殊记忆。

如:am(is)-was, are-were, go-went, eat-ate, swim-swam, buy-bought,

think-thought,

win-won,lose-lost

see-saw, teach-taught, bring-brought, break-broke, fall-fell, hurt-hurt,

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) cost cost cut(割) cut cut

hit(打) hit hit hurt 伤害) hurt hurt

let(让) let let put(放) put put

read (读) read read

(2) AAB型(动词原形与过去式同形)

beat(跳动) beat beaten

(3) ABA型(动词原形与过去分词同形)

become(变成) became become come(来)

run(跑) ran run

came come

(4) ABB型(过去式与过去分词同形)

dig(挖) dug dug get(得到) got got

hang(吊死) hanged hanged hang(悬挂) hung hung

hold(抓住) held held shine(照耀) shone shone

sit(坐) sat sat win (赢) won won

meet(遇见) met met keep (保持) kept kept

sleep(睡) slept slept sweep(扫) swept swept

feel(感觉) felt felt smell(闻) smelt smelt

leave(离开) left left build(建设) built built

lend(借出) lent lent send (传送) sent sent

spend(花费) spent spent lose (丢失) lost lost

burn (燃烧) burnt burnt learn(学习) learnt learnt

mean(意思是) meant meant catch(抓住) caught caught

teach(教) taught taught bring(带来) brought brought

fight (战斗) fought fought buy(买) bought bought

think(想) thought thought hear (听见) heard heard

sell(卖) sold sold tell(告诉) told told

say(说) said said find(找到) found found

have/has(有) had had make(制造) made made

stand(站) stood stood understand明白understood understood

(5) ABC型(动词原形、过去式与过去分词三者不同形)

begin(开始) began begun drink(喝) drank drunk

ring(铃响) rang rung sing (唱) sang sung

swim(游泳) swam swum blow(吹) blew blown

draw (画) drew drawn fly(飞) flew flown

grow(生长) grew grown know(知道) knew known

throw(投掷) threw thrown show(出示) showed shown

break(打破) broke broken choose(选择) chose chosen

forget(忘记) forgot forgotten (forgot) speak(说,讲) spoke spoken

wake(醒) woke woke drive(驾驶) drove driven

eat(吃) ate eaten fall(落下) fell fallen

give(给) gave given rise(升高) rose risen

take(取) took taken mistake(弄错) mistook mistaken

ride(骑) rode ridden write(写) wrote written

do(做) did done go(去) went gone

lie(平躺) lay lain see(看见) saw seen

wear (穿) wore worn

be ( am, is, are )(是) was, were been

① 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 重读闭音节单词需双写最后一个辅音字母,再加ed。如:stopped, shipped。

④ 以辅音字母+y结尾的动词变y为i,再加ed。

如:studied,worried。

⑤ 有些动词不符合上面的规则,需要特殊记忆。

如:am(is)-was, 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

不规则变化 一、

二、

三、

四、 五、

六、

七、

八、

九、

十、

十二、

十二、

一、过去式和过去分词相同。A-B-B型

二、动词的过去分词是在动词原形后面加n或en。

三、原形、过去式和过去分词相同。A-A-A型

四、原形中的i,过去式改为a,过去分词改为u。

五、动词的过去分词是在过去式后加n或en。

六、动词原形和过去分词相同。

七、原形、过去式和过去分词都不同。A-B-C 型

八、没有过去分词的。

注意:

1. bring-brought-brought; buy-bought-bought; Fight-fought-fought; think-thought-thought 而:Catch-caught-caught; teach-taught-taught

(如里本身动词中已含有字母a, 则变过去式和过去分词时,也就带上a )

2. hang的两种变法区别:当“挂衣服”讲时变hung-hung:因g像挂衣服的钩;当“上吊”讲时,需要向上扔一个绳,故

hanged-hanged:d 像绳一样。

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