初中要学的动词8个时态,不懂啊!!怎么用?怎么区别?答:(2)常与现在完成时连用的时间状语有:since, for, during, over等引导出的短语;副词already, yet, just, ever, now, before, often, lately, recently等;状语词组this week (morning, month, year), so far, up to now, many times, up to the present等。例如: 1)I haven’t been there for five ...
英语各个时态的标志性词语,都有什么???答:现在完成时:have/has+动词的过分词.标志词:ever,never, since,already,yet,before.twice, once ,three times.过去完成时:had+动词的过去分词。此时态是发生在过去的过去,就是在过去之前发生的事。通常用在从句里。有时也有标志词:by the year 20002应该是你打错字了吧?不知道你指的是不是:be related to,...