什么是动词的现在过去式?过去分词?和现在分词?

初中英语常用不规则动词分类表
（人教版）
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
win won won 得胜
shine shone/shined shone/shined 发光
catch caught caught 抓住
teach taught taught 教
feel felt felt 觉得
fight fought fought 战斗
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
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