it is+adj+for sb和it is+adj+of 有什么区别

问题描述:

it is+adj+for sb和it is+adj+of 有什么区别

先举例子It is kind of you to help me.你能帮我太好了.(kind 的是you)It is beneficial for you to do sports.运动对你有益.(beneficial的是do sports)再如:It is helpful of you to help me.it is+adj+for sb...