一般过去时和现在完成时区别答:for, since, so far, ever, never, just, 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, get marri...
英语句子有几种事态?答:(2)常与现在完成时连用的时间状语有:since, for, during, over等引导出的短语;副词already, yet, just, ever, now, before, often, lately, recently等;状语词组this week (morning, month, year), so far, up to now, many times, up to the present等 (3)完成时态可用在下列结构中...