现在完成时的标志性词语答: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
各种时态的标志性短语和单词答:should/would+动词原形(should第一人称would第二三人称)5.现在进行时:表示正在进行的词语 6.过去进行时:at that time,then,this time yesterday(last week),at 10o'clock last night 7.现在完成时:since,for how long,today,this year(month),lately,recently,so far,up to now,till(until)...