it's kind of you 和it's kind for you 的区别?

It's kind of you it's kind of you it's kind of you 和it's kind for you 的区别? It's very kind of you...和 It's very kind for you...的区别 it's kind of和it was kind of 有什么不同如it's kind of you to do thisit was kind of you to do this it's so kind of you It's very kind of you. It’s very kind of you 急 It's rery kind of you It's very kind of... it is kind of you it's very kind of you to help me.翻译 it's very kind of you to give me a It's very kind of you (show)me the way. it's kind of you to say so it's very kind --you .为什么用of it's very kind of you?英语的答语是什么 It's very kind of you to say so