he is a policemam变为一般否定句急呀!

网友回答

Is he a policemam?
======以下答案可供参考======
供参考答案1:
He isn't a policeman.直接在系动词后面加否定式do not=don't 就可以了
供参考答案2:
It's not absolutely possible that he isn't a policeman.