为什么who 后面是he is ，疑问句不是be动词提前嘛？不是who is he....吗？

Question

为什么who 后面是he is ，疑问句不是be动词提前嘛？不是who is he....吗？第三题could you tell me who he is looking for?

Answer 1

因为疑问句的提前只需要一次就够了，could you已经体现了一次了，who he is就不用助动词提前了。追问

谢谢大神啦。