Mike came to ask me for some advice on (how to learn Chinese).括号内的成分属于定语还是状语?

问题描述:

Mike came to ask me for some advice on (how to learn Chinese).括号内的成分属于定语还是状语?
是不是如果把On一起加入括号内就是定语,但这次没加就是状语了?

状语,因为如何学中文,是方式状语.
但是如果把on也加入括号内,那么on how to learn Chinese就是修饰前面some advice的了,
我们知道,修饰名词或名词短语的叫定语,所以加了on就是后置定语.