why you can't say no还是Why can't you say no?

why you can't say no还是Why can't you say no?

如果单说这一句就用后面的,如果是从句就用前面的～从句用陈述语序,特殊疑问词提前,就是后面那句了

后者吧比较顺-其实口语的话都可以-只是应试教育对语法要求太高了

貌似是后面的

都不对！Why can not you say no这是正解