如题所述
介词in,on,at表示时间时的用法区别:in 时间长 on 某一点 at 时间短;二、介词in,on,at表示地点时的用法区别:at强调点,on强调面,in强调在里面。
一、表示时间时。
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.
二、表示地点时。
1. at指具体的地方。
(1)用于指较小的地方。如:
I shall wait for you at the station.
(2)用于门牌号码前。如:
He lives at 115 Zhongshan Road.
2. on,一般指比较具体的街道。在...上面,如:
You may know that President Obama lives on Pennsylvania Avenue in Washington, D.C.
3. in指的地方最大:
(1)用于指较大的地方。如:
He lives in Shanghai.
For the best food, try the restaurants in Chinatown.
(2)虽然是很小的地方,如果说话人住在那里,也可用in。商店、学校、机关等,若看作一个地点(point)用at,若看作一个场所(place)用in。如:
I met him at the post-office.
I’m now working in the post-office.