现在完成时的时间状语及其用法答:时间使用 1与现在有关的过去点时间 recently,lately,already,yet,before,still 2与现在有关的频度时间 ever,never,once,twice,three times,several times,often,seldom,always,time and time again 3与过去有关的现在点时间 just,now,today,tonight,this week,this year this morning,this ...
现在完成时的标志性词语答:现在完成时 have/has + done 现在完成时的被动语态 have/has+been done 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...