英语中规则行为动词有多少种变化形式?不规则行为动词又有多少种变化形式?
问题描述：
英语中规则行为动词有多少种变化形式?不规则行为动词又有多少种变化形式?
答
baby-sit临时照顾 baby-sat baby-sat baby-sittingbe(am/is/are)是 was/were been beingbeat 击打 beat beaten beting become 变成 became become becomingbegin 开始 began begun beginning bend 使弯曲 bent bent ...