1. 当两个主语由or, either...or, neither...nor, not only...but also, whether...or...连用时，谓语动词和邻近的主语一致。

例如：Either the teacher or the students are our friends. / Neither they nor he is wholly right.

Is neither he nor they wholly right?

2. there be句型be动词单复数取决于其后的主语。如果其后是由and连接的两个主语，则应与靠近的那个主语保持一致。

例如：There are two chairs and a desk in the room.

　　注意：Here引导的句子用法同上。

意义一致：

1、what, who, which, any, more, all等代词可以是单数，也可是复数，主要靠意思来决定。

例如：Which is your bag? / Which are your bags? / All is going well. / All have gone to Beijing.

2、表示"时间、重量、长度、价值"等的名词的复数作主语时，谓语动词通常用单数形式， 这是由于作主语的名词在概念上是一个整体，

例如：Thirty minutes is enough for the work.

3、若英语是书名、片名、格言、剧名、报名、国名等的复数形式，其谓语动词通常用单数形式。例如： "The Arabian Nights"is an interesting story-book.

4、表数量的短语"one and a half"后接复数名词作主语时，其谓语动词可用单数形式（也可用复数。

例如：One and a half apples is (are) left on the table.

5、算式中表示数目（字）的主语通常作单数看待，其谓语动词采用单数形式。

例如：Twelve plus eight is twenty. / Fifty-six divided by eight is seven.

6、形复意单类：

一些学科名词是以 -ics 结尾，如：mathematics, politics, physics, electronics, classics, ethics, linguistics, plastics, AIDS, mathematics 以及某些形式上是复数，实际为单数的名词news, works，gallows(绞架)等，都属于形式上是复数的名词，实际意义为单数名词，它们作主语时，其谓语动词要用单数形式。

例如：The paper works was built in 1990. / I think physics isn't easy to study.

7. 表示群岛, 山脉, 瀑布, 运动会等专有名词作主语时, 谓语动词用复数。

例如：The Olympic Games are held once every four years.w*w*w*k*s*5*u*c*o*m

8. 少数名词如means, works, pains, 等作主语时, 谓语动词单复数根据所表达的概念而定。

　　例如： Every means has been tried.All possible means have been tried.

9. 数词one 后跟in, of, out of, 引起的介词词组作主语是时, 谓语动词一般用单数。

　　例如：One out of twenty was badly damaged.

之二 名词和代词的一致

代词需与其所替代的或修饰的名词应在人称和性别上保持一致

如：

No one can do it himself.

Something strange has happened, didn't it?

The owner and the captain discussed it with their colleagues.

The owner and captain discussed it with his colleagues

之三 分词逻辑主语的一致

表示时间、条件、伴随等的分词的逻辑主语必须同所在句中的主语保持一致。如：