把My borther has a white pen变为一般疑问句

Does my brother have a white pen?

Does my brother have a white pen ?
一般疑问句就是 把助动词提前。 一般助动词都是 does 或 do。
比如：DO you buy the book.

Does my brother have a white pen ?肯定是对的，要相信我的英语水平。

does my borther have a white pen?

Does your mother have a white pen?