It is wrong(of)you to speak to your teacher that way.A,for B

翻译：你对你老师那样说话是不对的.
it's+adj(表示事物的性质特征的形容词）+for+ sb+to do
这类的形容词有：
possible,necessary,convenient,difficult,easy 等
It is possible for him to come here
it's+adj（表示人的品质特征的形容词）+of+sb + to do
这类的形容词有：
right,wrong ,kind,nice,wise,foolish,friendly ,polie,impolite 等
如：
It is wise of you to do so.