请问using the tip of the brush,paint in some very fine lines这句话中的paint是谓语动词吗

问题描述:

请问using the tip of the brush,paint in some very fine lines这句话中的paint是谓语动词吗
中间为什么要加逗号阿 using the tip of the brush是主语吗

是的,这是一个祈使用,以动词paint开头,前面的是using ...是动名词短语,作方式状语中