My brother has three basketball改为一般疑问句

My brother has three basketball改为一般疑问句
My brother has three basketball改为一般疑问句

My brother has three basketball改为一般疑问句
Does your brother have three basketballs?你哥哥有三个篮球吗?

does your brother have three basketball?

用助动词does就好了，用在开头，剩下的一切照常写，句后加？