英语动词的基本形式

1.动词的基本形式

大多数动词都有四种形式：现在式、过去式、过去分词和现在分词。按照动词各种形式的构成方法，动词可以分为规则动词和不规则动词两类。

1）规则动词的基本形式规则动词的过去形式和过去分词一把在动词原形后面加词尾-ed 构成；现在分词则加词尾-ing构成。如表所示：

2）不规则动词的基本形式不规则动词的构成情况比较复杂。为了帮助同学们记住不规则动词，现在把教材中出现的不规则动词分为几个类型，每个类型中又分若干组，尽量找出每组中各词变化形式的共同点，以帮助记忆。

1. A---A---A型（现在式、过去式和过去分词同形）

动词原形（现在式）过去式过去分词

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

become became become 变

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

lose lost lost 失去

send sent sent 送

spend spent spent 花费

（3）其他

pay paid paid 付

lay laid laid 下蛋

say said said 说

bring brought brought 带来

buy bought bought 买

think thought thought 想

sleep slept slept 睡

keep kept kept 保持

sweep swept swept 扫

stand stood stood 站

understand understood understood 明白

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

steal stole stolen 偷

give gave given 给

freeze froze frozen 冻结

take took taken 拿

see saw seen 看见

write wrote written 写

ride rode ridden 骑

drive drove driven 驾驶

throw threw thrown 抛，扔

blow blew blown 吹

grow grew grown 生长

know knew known 知道

fly flew flown 飞

draw drew drawn 拉，绘画

show showed shown 展示

（2）过去式加-n或-en构成过去分词。

speak spoke spoken 说话

break broke broken 破碎，折断

wake waked/ woke waked/ waken 醒

choose chose chosen 选择

forget forgot forgotten 忘记

（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）。begin began begun 开始

ring rang rung 按铃

sing sang sung 唱

sink sank sunk 沉

swim swam swum 游泳

drink drank drunk 饮

（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