not only but also主谓一致用法
not only but also主谓一致用法介绍如下：
1、若连接两个成分作主语时，坚持就近原则，与靠近的主语保持一致。如：
She likes not only apple but also orange. 她不但喜欢苹果而且喜欢橘子。
Not only the students but also the teacher was invited.
不仅学生们被邀请，而且那位教师也被邀请了
2、not only放在句首，后接句子时要用倒装结构等等。
Not only are mothers not paid but also most of their boring or difficult work is unnoticed.
母亲们不仅得不到报酬，而且所干的乏味艰辛的活儿也很少被留意。
3.not only和 but also可同时使用，也可以将also省略，或者but also都省略
She not only wrote the text but also selected the illustrations.
她不仅写了正文部分，而且还挑选了插图。
She's not only a great dramatic actress but she's also very funny.
她不仅是一位伟大的女戏剧演员，而且也很幽默。
Justice must not only be done; it must be seen to be done.
正义不但必须伸张，而且要让人看到正义得到了伸张。
短语有：not only&but also 不但
Not-only-but-also theorem 既此且彼定理
not only A but also 不但A而且B
both and 和它的区别：连接双 主语时，both and后谓语动词通常用使用复数形式。
They were well acquainted with both and knew their history.
他们对这两个人都很熟悉，都知道他们的过去经历。
