we can make plans to help sick children in the hospital.不定式to help sick children 的句子成分不定式是作目的状语还是后置定语修饰plans?请解释下为什么,怎么判断?

问题描述:

we can make plans to help sick children in the hospital.不定式to help sick children 的句子成分
不定式是作目的状语还是后置定语修饰plans?请解释下为什么,怎么判断?