2.表示时间的介词

1)in , on,at  在……时

in表示较长时间,如世纪、朝代、时代、年、季节、月及一般(非特指)的早、中、晚等。

如 in the 20th century, in the 1950s, in 1989, in summer, in January, in the morning, in the night, in one’s life , in one’s thirties等。

on表示具体某一天及其早、中、晚。

如on May 1st, on Monday, on New Year’s Day, on a cold night in January, on a fine morning, on Sunday afternoon等。

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等。

注意: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。

My mother will come back in three or four days.

He arrived after five months.  

She will appear after five o’clock 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。

     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。

We shall leave after lunch.

Lucy is hiding behind an old house.

 0  257782  257790  257796  257800  257806  257808  257812  257818  257820  257826  257832  257836  257838  257842  257848  257850  257856  257860  257862  257866  257868  257872  257874  257876  257877  257878  257880  257881  257882  257884  257886  257890  257892  257896  257898  257902  257908  257910  257916  257920  257922  257926  257932  257938  257940  257946  257950  257952  257958  257962  257968  257976  447348 

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网