buying是什么用法

问题描述:

buying是什么用法
you are thinking about buying it
1个回答 分类:英语 2014-11-19

问题解答:

我来补答
about 是介词
介词后面用动名词
(1) to为介词后加动名词,如 devote to献身于 ,come to 谈到
(2) of后加动名词 I am fond of playing tennis.
(3) before/by/on/from 后加动名词
如 He washed his hands before having lunch.
 
 
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