is?还是 does?

is?还是 does? does he busy?还是is he husy? does it count 还是 is it count, where is Mr Green work?用is还是用does is和does的用法如何分辨一个句子里要用does还是is Does Daniel from Nanjing? 还是Is Danief from Nanjing? 翻译是does he ill?还是is he ill?为什么? 英语翻译用is还是does?这两个总是搞不清, 1.He is always 后用DOING 还是DOES 怎么判断when后面用is/are还是do/does __she happy to see her toy?用does还是is ( )he clean the rooms at home.( )里是填Does还是Is