求英语句构解析,关于动名词
问题描述：
求英语句构解析,关于动名词
句子结构解析
First of all,I am going to get more exercise,working out at least twice a week.
不明白该句式结构,working out 为什么这么用
到底是表伴随，还是省略，还是兼备二者。
答
这个句子是省略句,完整的应该是：First of all,I am going to get more exercise,such as working out at least twice a week.
working out是名词,意思是“健身”.所以要用动名词形式,work后面要加ing.