Are you going to play sports
Yes,we are.做肯定回答，可以说是Yes,Iam.吗？因为是从 we are going to play sports 改过来的一般疑问句，所以回答用： Yes, we are.如果是： I am going to... 改为一般疑问句： Are you going to.. ? 就用： Yes, I am.