动词不定式的逻辑主语for sb是作状语吗?

问题描述:

动词不定式的逻辑主语for sb是作状语吗?
例:It's a difficult question for you to answer.
It's hard for you to learn.
您的意思是for sb/of sb都是作状语吗?

也有of的
比如说crazy of you