新概念英语2册第25课有一句话是:why does the writer not understand the port
新概念英语2册第25课
有一句话是:why does the writer not understand the porter.
能不能写成:why the writer does not understand the porter.
或者写成:why does not the writer understand the porter.
如果不对哪里错了,如果对,他们在句意和语法上有什么区别?