both 两者都……1）作主语时谓语动词要用复数,2）放在动词be,情态动词,助动词之后,实义动词之前,与neither 相反； 3）常见搭配是Both of ...; both ...and ...
如His pareents are both teachers.
Both of them are teachers.
Both he and she are teachers .
neither' 两者都不……‘ 作主语时谓语动词要用单数； 常见搭配’ neither （of ）+名词单数或代词宾格(接名词时OF 可省略）; neither ...nor ...既不……也不…（连接两个并列成分.注：这个词组作主语时谓语动词与最靠近它的主语保持一致,即就近原则）
如 Neither answer is right .
Neither you nor he is right ./ Neither he nor you are right .
The weather there is neither hot nor cold .
either作代词时：‘ 指两者中任一个’ ,作形容词时后接名词单数； 作副词‘ 也’ 用于否定句末.常见搭配有：either ...or .或者……或者……（连接两个并列成分；（注：这个词组作主语时谓语动词与最靠近它的主语保持一致,即就近原则）
如
Which do you like better ,tea or coffer Either is ok .
There are many trees on either side of the road.
He isn't a worker ,either .
Either you or he is a student./ Either he or you are a student.
You can take either this book or that one. both 两者都……1）作主语时谓语动词要用复数,2）放在动词be,情态动词,助动词之后,实义动词之前,与neither 相反； 3）常见搭配是Both of ...; both ...and ...
如His pareents are both teachers.
Both of them are teachers.
Both he and she are teachers .
neither' 两者都不……‘ 作主语时谓语动词要用单数； 常见搭配’ neither （of ）+名词单数或代词宾格(接名词时OF 可省略）; neither ...nor ...既不……也不…（连接两个并列成分.注：这个词组作主语时谓语动词与最靠近它的主语保持一致,即就近原则）
如 Neither answer is right .
Neither you nor he is right ./ Neither he nor you are right .
The weather there is neither hot nor cold .
either作代词时：‘ 指两者中任一个’ ,作形容词时后接名词单数； 作副词‘ 也’ 用于否定句末.常见搭配有：either ...or .或者……或者……（连接两个并列成分；（注：这个词组作主语时谓语动词与最靠近它的主语保持一致,即就近原则）
如
Which do you like better ,tea or coffer Either is ok .
There are many trees on either side of the road.
He isn't a worker ,either .
Either you or he is a student./ Either he or you are a student.
You can take either this book or that one.