for改成of It is very nice of youto bring me the newspapers and magazines. 因为nice 是形容you的,所以要用of,如果不是,就用for 类似的有It is very clever of you to work out such a difficult problem. It is very kind of you to help me out.
It is very nice of you to bring me the newspapers and magazines. for 改为of 判断形容词后用of 还是for 可以看后面的词是否可以作本句话的主语,可以就用of 不可就用for 比如这句话可以说you are very nice to bring.......