twice\once是完成时标志性词语吗?答:现在完成时的标志性时间状语already , ever , never , yet , just , before, still , lately ,since , for a long time ,up to now, until,so far,in the last few years/weeks/mouths , till now,recently once twice 是表示频率的副词,不是完成时的标志词。例如:I...
初中英语时态的标志词都有什么,帮忙多写一些,谢谢答:现在进行时:listen look right now, while,now, these days ,at the moment 过去进行时:at that moment, at this time of yesterday, at eight last night.过去完成时:by the year xxxx,since, before, after, when, as soon as,till, by 现在完成时:already(肯定), yet(否定,...
初中英语中8个时态的标志词答:[编辑本段]五、 现在完成时 1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。2.时间状语:yet,already,just,never,ever,so far,by now,since+时间点,for+时间段,recently, lately, in the past few years, etc.3.基本结构:have/has + ...