祝贺你是Congratulations to you.还是on you?
问题描述：
祝贺你是Congratulations to you.还是on you?
答
表示“向某人祝贺”用： Congratulations to sb
对某事表示祝贺用：congratulations on sth
因为某事向某人祝贺用：congratulations to sb on sth