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.

定语从句,depending on 当定语

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