after, in, within(A) after表示“在……之后”，是before的反义词。如：He got a cancer and died after a year.?The meeting will end after 3:00pm. 会议将在下午三点后结束。(B) within“在……时间之内”。如：I can finish it within an hour. 我不需一小时就可把它做完。注：after与in都可表示“在……之后”，但after后可跟时间段，也可跟时间点；而in后必须跟时间段。after既可用于将来时，也可用于过去时，而in只能用于将来时。I’ll arrive in an hour. 我一小时后到达。
时间状语一般现在时 every …, sometimes, at …, on Sunday,一般过去时 yesterday, last week, an hour ago, the other day, in 1982, just now一般将来时 next…, tomorrow, in+时间,现在完成时 for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always, recently过去完成时 before, by, until, when, after, once, as soon as过去进行时 this morning, the whole morning, all day, yesterday, from nine to ten last evening… when, while将来进行时 soon, tomorrow, this evening, on Sunday, by this time, tomorrow, in two days, tomorrow evening</p 产品：澳博培训供货总量：不限产品价格：议定包装规格：不限物流说明：货运及物流交货说明：按订单
