neither...nor...(既不……也不)
表示”选择”关系的连词有or(或者,否则);neither...nor...(既不……也不……);either...or...(或者……或者……)等.如:
Either you or I am right.
Neither he nor I have been to Canada.
提示；当either...or...,neither...nor...连接两个并列主语时,其谓语动词形式采用"就近原则";neither...nor...本身表示否定,谓语动词用肯定形式.