Exercising is good for you health.为什么要变为exercising?exercise本身不就是有名词的词性吗?
问题描述：
Exercising is good for you health.为什么要变为exercising?exercise本身不就是有名词的词性吗?
答
因为词性不同,exercise在这里作动词,而作为主语要用动名词,即exercising