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介词的意义与用法举例

(1) 时间介词：at, on, in

表示时间点用at，如at six o'clock， at midnight等;

表示不确定的时间或短期假日也用at，如at that time, at Christmas等。

指具体的某一天用on， 如on Sunday, on the end of October

指某天的朝夕用on，如on Monday morning， on the afternoon of September lst等。

指比较笼统的时间，月份-季节-年份等都用in，如in the morning，in May， in winter， in 2017等。

(2)between, among(表位置)

between仅用于二者之间，但说三者或三者以上中的每两个之间的相互关系时,也用between, 如I'm sitting between Tom and Alice/The village lies between three hills.

among用于三者或三者以上之间。

如：He is the best among the students.

(3) beside, besides

beside意为"在…旁边"，而besides意为"除…之外"。

如：

He sat beside me.

What do you want besides this?

(4)in the tree, on the tree

in the tree 指动物或人在树上

on the tree 指果实、树叶长在树上

(5)on the way, in the way, by the way, in this way

on the way 指在路上

in the way 指挡道

by the way 指顺便问一句

in this way 用这样的方法

(6)by bus， on the bus

by bus 是一般说法

on the bus 特指乘某一辆。