〔 〕he 〔 〕i〔 〕students

Both he and I are stundents.
如果句末是student就可以考虑neither nor ,由于句末是复数形式，所以一定是说这两个人，用and连接两人

Both he and i are students

Is he and i good students?

有两个答案
Both and are 或者 Neither or am

Both he and i am students

谓语动词与I一致，这是主谓一致