时间介词in on at的用法及区别

用法及区别:

1、in时间范围大(一天以上)如:in Tanuary, in winter, in 1999;泛指在上午,下午,晚上,如:in the morning(afternoon, evening).

2、on指在某一天或某一天的上午,下午,晚上,如:on Monday, on Sunday afternoon, on July 1, 1999

3、at时间最短,一般表示点时间,如at six o’clock, at three thirty.习惯用法:at night, at noon, at this time of year.

(责任编辑:张欣茹)