2. 【考查点】由and或both??and连接的并列成分作主语时，谓语动词用复数。 如： Both he and I are right.
Mr. Black and Mrs. Black have a son called Tom.
但并列主语如果指的是同一人，同一事物或同一概念，谓语动词用单数。 如： His teacher and friend is a beautiful girl. The poet and writer has come.
3. 【考查点】由and连接的并列单数主语之前如果分别由each, every修饰时，其谓语动词要用单数形式。
如：In our country every boy and every girl has the right to receive education. Each man and each woman is asked to help.
4. 【考查点】主语是单数时，尽管后面跟有 but ,except, besides, with 等介词短语，谓语动词仍用单数。 如：The teacher with his students is going to visit the museum.
Nobody but two boys was late for class. Bread and butter is a daily food in the west.
5. 【考查点】一些只有复数形式的名词，如people, police, cattle, clothes等作主语时，谓语动词要用复数。
如： A lot of people are dancing outside.
The police are looking for lost boy.
6. 【考查点】由each, some, any, no, every 构成的复合代词作主语时，谓语动词都用单数。
如： Is everybody ready? Somebody is using the phone.