he is a boy.改成疑问路,他是个男孩吗?

问题描述:

he is a boy.改成疑问路,他是个男孩吗?
还有there is a book and five pens on thedesk.改成桌子上有一本书和五枝铅笔吗?
does he is a boy?行不行

Is he a boy?
Is there a book or five pens on the desk?
不行,does是助动词,is也是动词,一个句子里只能有一个
这种句子的话,有be动词(am,is ,are)的,只要把be动词提前
第三人称单数或者复数的,把动词改成Do/Does+动词原形