不定式做定语和做状语有什么区别？我死活都搞不清楚！！

简单例子吧：

做定语
He is my friend who is my best friend定语修饰名词————my friend

做状语
I was doing my homework while it was getting dark ----
时间壮语 while it was getting dark

状语还有其他很多种

〓我第一个回答的 〓〓〓