2015中考最新英语知识巩固篇之时间介词

表示时间的介词：

(1)in , on，at 在时

in表较长时间，世纪朝代时代、年、季节、月及一般(非特指)的早、中、晚

如：in the 20th century, in the 1950s, in 1989, in summer, in January,

in the morning, in the night, in ones life , in ones thirties

on表示具体某一天及某一天的早、中、晚。

如：on May 1st, on Monday, on New Years Day, on a cold night .

in January, on a fine morning, on Sunday afternoon.

at表示某一时刻或较短暂的时间，或泛指圣诞节，复活节等。

如: at 3:20, at this time of year, at the beginning of, at the end of ,

at the age of , at Christmas， at night, at noon, at this moment

在last, next, this, that, some, every 等词之前一律不用介词

如：We meet every day.

(2)in, after 在之后

in +段时间表示将来的一段时间以后;

after+段时间表示过去的一段时间以后;

after+将来点时间表示将来的某一时刻以后。

例句：My mother will come back in three or four days.

He arrived after five months.

She will appear after five oclock this afternoon.

(3)from, since 自从

from仅说明什么时候开始，不说明某动作或情况持续多久;

since表示某动作或情况持续至说话时刻，通常与完成时连用。

例句：He studied the piano from the age of three.

They have lived here since 1978.

(4)after, behind 在之后

after主要用于表示时间;

behind主要用于表示位置。

例句：We shall leave after lunch.

Lucy is hiding behind an old house.