both and 的用法
you and I are students. both...and...“两者都...”，连接名词或代词作主语时，谓语动词用复数形式，不受‘就近原则’的限制。如，
Both Li Ming and Wei Hua are good at English.
连接两个成分作主语时，谓语要用复数形式。如，You and she are on duty today.
3.采用就近原则的情况：当连词或连词短语连接两个成分，而重点强调的是“其中之一”的时候，要采用就近原则。
如，or, either...or..., neither...nor..., not only...but also...等连接主语时，谓语动词以后面的那个主语为主。
如，You or he is right.
Either your teacher or your classmates were there.
Neither you nor he is able to finish the work in an hour.
Not only your parents but also I am proud of you
