Prepositions of Time: at, in, on

in, on, at 都是我們常用的時間介係詞,in, on, at 用法的差別就在於:

  • in:月份、季節、年、世紀、一段長而非特定的時間

  • on:特定日期、星期

  • at:一個準確、特定的時刻


in指的是較長的時間,像是在一天,一個月,一個季節或一年。

例如:

  1. I always brush my teeth in the morning.

  2. My birthday is in June.

  3. It’s always cold in winter.

  4. My brother was born in 1999.


on指的是特定的日期或某一天。

例如:

  1. He was born on September 24th.

  2. I go to the gym on Mondays and Wednesdays.


at指的是特定較小的時間點,像是幾點幾分。

例如:

  1. I will see you at 8 pm.

  2. My interview is at 3 pm.