求英语过去式单词（要有原型）50个以上

原形 过去式 过去分词 baby-sit临时照顾 baby-sat baby-sat be(am/is/are)是 was/were been beat 击打 beat beaten become 变成 became become begin 开始 began begun bend 使弯曲 bent bent bet 赌 bet bet bite ...