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