for three year前用什么时态

for three year前用什么时态 there three year 用于什么时态 for year for year three year by year 句子用什么时态 three year 用什么提问 last year 什么时态 already前用什么时态 this year than last year一般用什么时态? He will be back （）three days.选in还是for,说明理由,什么时态用哪个 since前用什么时态,后用什么时态 several times前用什么时态 in常用在什么时态 in three days 像这样的应该用在什么时态, over the last year 要用什么时态 by half past eight last year用什么时态 时间状语为every day last year 用什么时态 He said he _____ there for three more years 应该填什么 还有是什么时态 he has been dead for two year dead 有几种形式?用于什么时态? which basketball team do you s ,li Ming?Could you f me some water ,dear?for a year since 2000since a year agoover the year during the few years各应该用什么时态?