英语的过去式和过去完成时的使用有什么区别?答:yet, till / until, up to now, in past years, always, 3)现在完成时可表示持续到现在的动作或状态,动词一般是延续性的,如live, teach, learn, work, study, know. 过去时常用的非持续性动词有come, go, leave, start, die, finish, become,buy,borrow, get married等。
一些动词过去式按变化规律整理出来如:加ed的去y加ied的答:如:stop--stopped,shop-shopped,plan--planned不规则动词过去式:become--became,begin--began,bring--brought,buy--bought,can--could,come--came,do/does--did,draw--drew,drink--drank,eat--ate,feel--felt,fight--fought,find--found,forget--forgot,get--got,give--gave,go--went,grow-...