neither主语nor主语,
either主语or主语 都适用就近原则,与nor和or后的主语一致
both主语and主语 必须用复数
eg. Either Danny or I am going with you.
Neither Danny nor I am going with you.
Both Danny and I are going with you.
前两个都是单数后者复数
单:neither nor either or 复: both and