英语翻译为什么不是我 到底如何翻译 是why not me?还是why not 还是why is not mine?

英语翻译为什么不是我 到底如何翻译 是why not me?还是why not 还是why is not mine? why not do还是why not doing? 是why not buy some还是why not buy any why not后面到底是to do还是do? why not +doing还是do why not to do 还是why not doing why not doing sth还是why not do sth还是why not to do sth why always not me why don't we =why not 还是why don't you=why not 他为什么看不见的英语翻译是why can't he see?还是why can he not see?请说明为什么! 英语翻译是：Why were you not at home yesterday?还是：Why weren't you why not