in on at的用法及区别

发布于2022-01-13 10:54:27
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网友回答2022-01-13

一.in,on在方位名词前的区别 1.in表示A地在B地范围之内.如: * is in the southeast of China. 2.on表示A地与B地接壤、毗邻.如: North Korea is on the east of China. 二.at,in,on在表示时间上的区别 1.at指时间表示: (1)时间的一点、时刻等.如: They came home at sunrise (at noon,at midnight,at ten o’clock,at daybreak,at dawn). (2)较短暂的一段时间.可指某个节日或被认为是一年中标志大事的日子.如: He went home at Christmas (at New Year,at the Spring Festival,at night). 2.in指时间表示: (1)在某个较长的时间(如世纪、朝代、年、月、季节以及泛指的上午、下午或傍晚等)内.如: in 2004,in March,in spring,in the morning,in the evening,etc (2)在一段时间之后.一般情况下,用于将来时,谓语动词为瞬间动词,意为“在……以后”.如: He will arrive in two hours. 谓语动词为延续性动词时,in意为“在……以内”.如: These products will be produced in a month. 注意:after用于将来时间也指一段时间之后,但其后的时间是“一点”,而不是“一段”.如: He will arrive after two o’clock. 3.on指时间表示: (1)具体的时日和一个特定的时间,如某日、某节日、星期几等.如: On Christmas Day(On May 4th),there will be a celebration. (2)在某个特定的早晨、下午或晚上.如: He arrived at 10 o’clock on the night of the 5th. (3)准时,按时.如: If the train should be on time,I should reach home before dark. 三.at,in和on表示地点时的区别 1.at表示地点: (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.in表示地点: (1)用于指较大的地方.如: He lives in Shanghai. (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. 3.on表示地点,一般指与面或线接触,意为“在……上;在……旁”.如: The picture was hanging on the wall. New York is on the Hudson River.

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