时态 　　时间状语 　　一般现在时 　　every, sometimes,　at, on Sunday等 　　一般过去时 　　yesterday, last week, an hour ago, the other day, in 1982, just now等 　　一般将来时 　　next, tomorrow, in+一段时间, before+时间点等 　　现在完成时 　　for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always, recently等 　　过去完成时 　　before, by+过去的时间, until, when, after, once等 　　过去进行时 　　this morning, the whole morning, all day, yesterday, from nine to ten last evening when, while等 　　将来进行时 　　soon, tomorrow, this evening, on Sunday, by this time, tomorrow, in two days, tomorrow evening