|
能和现在完成时态搭配的时间状语一般都能和过去完成时搭配：for,since,all day/week；just,recently,already,yet,ever,never；once/twice,it's the first time that；by the time/by eight o'clock.  过去完成时常用的时间状语有 1. by the end of last+时间段. By the end of last term, we had learned 5000 new words. 到上学期末，我们已经学了5000个新词。 2. By the time sb. +动词过去式如：The bus had already left by the time I got there. 3.By (the time of)+时间段 By the time of last year ,we had built two bridges. (责任编辑：admin) |