if,as soon as, unless, until, before, after,when,while,in case, as long as,the moment,no matter...等握李等段闷迟罩侍
for，since，戚槐ever，never，谨空just，yet，up to now，in the past/last few years，高晌友recently，so far、、、好像是吧，时间状语应该……
now，it 加时间，at the monent
现在完成时的标志词（至少20个）
if,as soon as, unless, until, before, after,when,while,in case, as long as,the moment,no matter...等握李等段闷迟罩侍
for，since，戚槐ever，never，谨空just，yet，up to now，in the past/last few years，高晌友recently，so far、、、好像是吧，时间状语应该……
now，it 加时间，at the monent