eg;It is ......of you to do sth
It is ......for you to do sth
the answer to this question 为什么不用for或of?
參考答案:It is ......of you to do sth 表示做什么事`形容你人怎样
例如:`It is nice of you to help me. 你帮助了我,你人真是太好了.
It is ......for you to do sth 表示做什么事对你怎样
例如:It is bad for you to smoke. 抽烟对你身体不好.
the answer to this question 这个是固定搭配