He is unfit for is job 后面反意疑问句怎么加?理由!

问题描述:

He is unfit for is job 后面反意疑问句怎么加?理由!

He is unfit for is job ,isn;t he?
unfit 是不适于,不属于否定词,所以遵循前肯后否的原则.用助动词(系动词)+not+人称代词完成