一、AAA型（原形、过去式和过去分词同形）：cost cost cost cut cut cut let let let put put put read read read 二、ABB型（过去式与过去分词同形）：bring brought brought build built built buy bought bought catch caught caught dig dug dug feel felt felt find found found get got got have had had hear heard heard hold held held keep kept kept ※learn learnt learnt leave left left lend lent lent make made made meet met met pay paid paid say said said sell sold sold send sent sent shine shone shone sit sat sat sleep slept slept ※smell smelt smelt spend spent spent stand stood stood teach taught taught tell told told think thought thought understand understood understood 三、ABC型（原形、过去式和过去分词各异）：be was were been begin began begun blow blew blown break broke broken do did done draw drew drawn drink drank drunk drive drove driven eat ate eaten fall fell fallen fly flew flown forget forgot forgotten give gave given go went gone grow grew grown know knew known lie lay lain ride rode ridden ring rang rung see saw seen show showed shown sing sang sung speak spoke spoken swim swam swum take took taken throw threw thrown wake woke woken wear wore worn write wrote written 四、ABA型（原形与过去分词同形）：become became become come came come 五、AAB型（原形与过去式同形）：beat beat beaten 我是数不过来了……