请教they vary very much depending on 是什么结构?they vary very much depending on where they are.
问题描述：
请教they vary very much depending on 是什么结构?
they vary very much depending on where they are.
答
定语从句，depending on 当定语
答
they是主语
vary是谓语
very much程度状语,修饰vary
depending on...是句子的方式状语,修饰vary
where从句是on的宾语