英语不规则动词过去式和过去分词表 原形 am are awake bear beat become begin bet break bring build burn buy catch can choose come cost cut do does dream drink drive 过去式 was were awoke bore beat became began bet broke brought built burnt bought caught could chose came cost cut did did dreamed/dreamt drank drove chosen came cost cut done done dreamed/dreamt drunk driven 过去分词 been been awoke born beaten become begun bet broken brought built burnt bought caught 是 是 唤