动名词用法~
问题描述：
动名词用法~
he gazed at the display for several minutes before re-entering his shop
after gazing at the display for several minutes,he went back into his shop
re-entering和gazing动名词怎么用,有什么规则.
答
he gazed at the display .这里是普通用法就是动词过去式.before re-entering 和after gazing 要用ing的原因是before 和after 是介词,介词后面要接动词必接ing形式也就是动名词形式(这点楼主同学要记好噢)这么说楼主...