由or, either...or, neither...nor, not only...but also連接的詞，如果數和性是一致的，就用其相應的代詞；如果性和數不一致，代詞與其臨近的名詞保持一致。

【例如】

Neither he nor she wants to visit her uncle. Not only my mother but also I care a lot about my father.

each, everyone, everybody, everything, no one, nobody, nothing, anyone, anybody, somebody等修飾主語或作主語時，相應的代詞用單數。

【例如】

Everybody talked at the top of his voice. Everything is ready for the picnic, isn’t it?