名词作主语时的主谓一致

1)以可数名词单数和不可数名词做主语时，谓语动词要用单数;可数名词复数做主语时，谓语用复数。

　　例如：A dog comes.

　　来了一只狗。

　　Water is important to human being.

　　水对人类很重要。

　　Students are reading.

　　学生们都在阅读。

2) 由and或both……and连接的并列成分做主语时，谓语动词用复数。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。

　　例如：The poet and story writer are good at using language.

　　诗人和作家都擅长使用文字。

　　The poet and writer has come.

　　诗人兼作家(同一个人)已经到了。

3)由and连接的并列单数主语之前如果分别由each, every, no修饰时，其谓语动词要用单数形式。

　　例如：In our country every boy and every girl has the right to receive education.

　　在我们国家每个男孩和女孩都有受教育的权利。

4)主语是单数时，尽管后面跟有 but ,except, besides, with ，as well as ，together with along with，like 等引导的介词短语或插入了分词短语时，谓语动词也要与前面的主语一致用单数。

　　例如：The woman with two children is my aunt.

　　和两个孩子在一起的那位女士是我姨妈。

　　Mr. Smith, followed by his wife and three children, has just arrived.

　　史密斯先生，随行的还有他的妻子和三个孩子， 已经到达了。

5)集体名词family, class, team, group 等看作整体时，谓语动词用单数;看作每一个成员时，谓语动词用复数。

　　例如：This family is large.

　　这个家族很大。

　　This family are getting together.

　　这个家族的成员正在聚会。