英语翻译为什么不能写成What are you want to do

英语翻译为什么不能写成What are you want to do 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? 英语翻译what are the four astronauts doing from the shuttle Endeavour .如不能,那是为什么, the chairs are there为什么要加are?为什么不能写成the chairs there? How many books are there in your schoolbag为什么不能写成How many books are i请仔细分析,为什么不能写成How many books are in schoolbag？ What are they talking about?为什么不能省about? 为什么一氧化碳不能写成Co? 为什么一氧化碳不能写成“CO”? “披星戴月”不能写成“披星带月”,为什么? What about him?这句话中him为什么不能写成he be going to do 的特殊疑问句what make are you going to buy?我有两点不懂1：make为什么在what后,不能写成 what are you going to buy make?2：以上翻译为你要买什么牌子,那问的人不是只有一个,为什么不用is用are? What are your .中的what are 能不能缩写?What are your .中的what are 能不能缩写成what're?为什么不能缩写? you are my sunshine为什么么不能写成you is my sunshine What you want to say为什么不加are?为什么不能是what are you want to say? What are you leaving?为什么不能说What do you leaving? 为什么醛基不能写成-COH,而要写成-CHO 为什么镁要写成Mg2+不能写成Mg+2 为什么氨基只能写成-NH2而不能写成NH2-呢