现在完成时的时态关键词有哪些?越多越好~答:二、现在完成时关键词有:for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always, recently
现在完成时的时间标志词有哪些?答:现在完成时的构成是have 和has + v现在分词构成。标志词一般有 already, yet, so far, as yet, lately ,recently,these days/weeks/years, until now, up to now, since+ 时间点, for+时间段,always, in the last/past( few years)。