精选优质文档-倾情为你奉上现在分词一、基础知识:现在分词(也叫动名词):表示主动和进行。基本形式:doing 否定式:not doing被动式:being done 完成式:having done二、具体用法:1.动名词作主语和宾语:(1)把一个动词变成-ing形式可以当做名词来用,表示一种经常性、习惯性的动作,可在句中充当主语和宾语。eg: Working with you is a pleasure. I like reading in my free time.(2)可以用it做形式主语或形式宾语放在前面,再用动名词做真正的主语或宾语放在后面,这种用法常用于以下句式: It is/was no use/good doing sth. 做某事是没用的/没有好处的。eg: Its no use begging for his mercy. Its no good smoking too much. It is/was a waster of time doing sth. 做某