might as well的否定是might not as well吗?

might as well的否定是might not as well吗? might as well not... might as well might i might as well have them. May as well和might as well的区别 I might as well have them. We might as well a rest. We Might As Well Be Strangers 歌词 有个短语as well she might I might as well have them might as well 动词能不能放在might 之后? 问一下had better和might as well的区别?