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 one's life , in one's 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 Year's 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

…… 此处隐藏276字 ……

　　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.

　　以上对英语中时间介词语法内容的知识讲解学习，希望同学们对上面的知识都能很好的掌握，相信同学们会考试成功的。