both and,either or,neither nor,none of的用法及区别

both ....and.....意为“两者；两个；双方”（谓语动词用复数）
Both John and Ann are good at French.
either.....or...或者......或者.......
He is either a doctor or a teacher.
Either you or he hs to go there.
neither.......nor......既不.......也不.....
Neither he nor I am good at English.
none of 没有人（物），指三个或三个以上都不是，谓语动词可以是单数形式，也可以是复数形式。 None of them like/ likes playing basketball.

both and：指两者之间都怎么样
either or：指两者之间的其中一个怎么样
neither nor：指两者其中一个不怎么样
none of：三者及三者以上都不怎么样

both .and.意为“两者；两个；双方”（谓语动词用复数）Both John and Ann are good at French.either.or...或者.或者.,不是.就是.He is either a doctor or a teacher.注意：连接两个并列主语是,谓语动词与其靠近的...