rarely seldom hardly哪几个是否定词?

rarely seldom hardly哪几个是否定词? 如果主语是第三人称单数,seldom、rarely、hardly ever等否定词后动词是否要+s? rarely,seldom,hardly,scarcely,barely 否定转移的否定词除not外,其他如never,seldom,few,little,hardly,rarely能用于此结构 hardly ,seldom,rarely 用在疑问中的例子,谁可以举几个 seldom是否定词吗? rarely,seldom,hardly,scarcely,barely 的用法和区别 rarely,seldom,hardly,scarcely,barely的用法和区别 seldom,rarely,scarcely,hardly,barely有什么区别 rarely,seldom,hardly,scarcely,barely 的用法和区别, 当陈述句中出现nothing,seldom,hardly,scarcely,rarely等词时亦表否定,则反意疑问句应用 rarely,seldom,hardly,scarcely,barely的用法和区别有哪些?