为什么不可以说what name are

为什么不可以说what name are what is your name?为什么不可以说成waht name are you 请说说原因!what nationality are you what is your nationality?就都可以!what is your job?what job are you 就不可以了!那还有这种情况what make is it what is its make 这两 例：What nationality are you?可以说成What's your nationality?请问：1、What's your job?可不可以说成What job are you?2、What 's your name?可不可以说成What name are you? what are you doing 为什么不说What IS your name? what you are name? 为什么可以说What's this?而不可以说What's it? 为什么可以说There are many fish 却不可以说There are many grass What type are you看到的是 what are you type 可以说成 what type are you?为什么?. What's your job可以说成 What job are 如果不行的话,那为什么What nationality are you?可以说成What's your nationality呢? xxx is my name可不可以说XXX is my name.i know what is your name. 为什么what is your name中be动词用is而不用are.那what （ ）I name? what are you doing Friday afternoon?对么?为什么啊可不可以说成是what are you doing on Friday afternoon? 可不可以说What are you happy without? 是what is yourname对 还是what are your name 为什么? What nationality are you 可以说成 What are you nationality 是what is you name 还是what are you name为什么 you 前面不是加are吗?为什么啊 他的名字是什么 用英语怎么说? what nationality are you?=what's your nationality?那么what's your name?可以写成what name are you?如果不能 为什么 什么情况下what's your .可以写成what .are you? -————? A how old are you? B how are you C what's your name it's seven D what's the time为什么不选A而选D呢it's seven 这是答句