1. A---A---A型(现在式、过去式和过去分词同形)
cost cost cost 花费
cut cut cut 割,切
hit hit hit 打
let let let 让
put put put 放下
read read read 读
hurt hurt hurt 伤
2. A---A---B型(现在式和过去式同形)
beat beat beaten 打
3. A---B---A型(现在式和过去分词同形)
come came come 来run ran run 跑
4. A ---B ---B型
(1)在动词原形后加一个辅音字母d或t构成过去式或过去分词。
burn burnt burnt 燃烧
learn learned/learnt learned/learnt 学习
mean meant meant 意思hear heard heard 听见
(2)把动词原形的最后一个辅音字母“d”改为“t” 构成过去式或过去分词。
build built built 建筑lend lent lent 借给
send sent sent 送lose lost lost 失去
(3)其他
pay paid paid 付
lay laid laid 下蛋
say said said 说
buy bought bought 买
keep kept kept 保持
understand understood understood 明白
win won won 得胜
shine shone/shined shone/shined 发光
feel felt felt 觉得
find found found 发现get got got 得到
hang hanged/ hung hanged/ hung 绞死,挂
have had had 有
hold held held 盛,握
leave left left 离开
make made made 制造
meet met met 遇见
sell sold sold 卖
shoot shot shot 射击
tell told told 告诉
smell smelt/smelled smelt/smelled 嗅,闻
sit sat sat 坐
dig dug dug 挖
5. A---B---C型(现在式、过去式和过去分词都不相同)
(1)在动词原形后加-n或-en构成过去分词。
eat ate eaten 吃fall fell fallen 落下
give gave given 给
take took taken 拿
see saw seen 看见
ride rode ridden 骑
blow blew blown 吹
grow grew grown 生长
know knew known 知道fly flew flown 飞
draw drew drawn 拉,绘画
(2)过去式加-n或-en构成过去分词。
wake waked/ woke waked/ waken 醒
(3)变单词在重读音节中的元音字母“i”分别为“a”(过去式)和“u”(过去分词)。
ring rang rung 按铃sing sang sung 唱
sink sank sunk 沉
swim swam swum 游泳sing sang sung 唱
(4)其他不规则动词的变化。
be(am, is) was/ were been 是
be(are) were been 是
do did done 做go went gone 去
lie lay lain 躺wear wore worn 穿