请问一个语法问题?奇怪死.

问题描述:

请问一个语法问题?奇怪死.
what does your father for lunch.
可以变成what for lunch does you father吗?
为什么要用does?

是What does your father eat for lunch
your father 是第3人称,所以,do后面用第3人称单数