committee, class, school, union, firm, staff, public等,它们作主语时,谓语动词的数要根据语言内容而定。如果它们作为一个集体单位时,动词用单数形式,如就其中的各个成员来说,则谓语用复数形式。例如:
1)His family is going to move.
2)His family are very well.
3)The public is / are requested not to leave litter in the park.
注:如这类词后跟有定语从句时,定语从句的谓语动词也遵循概念一致的原则,强调具体成员时,谓语动词用复数,关系代词用who; 强调整体时,谓语动词用单数,关系代词用which。例如:
1)The government who were responsible for this event attempted to find a solution.
2)The government which was responsible for this event attempted to find a solution.
(2)有些表示总称意义的名词,形式上是单数,而意义上却是复数,谓语动词要用复数形式,如people, police, militia, cattle, poultry(家禽)等。例如:
1)Cattle were allowed to graze on the village common.
2)The police are searching for a tall dark man with a beard.
(3)有些名词形式上是复数,而意义上却是单数。如news, means, works.还有许多以ics结尾的学科名称,如economics, physics, mechanics, politics等,它们作主语时,谓语动词要用单数形式。例如:
1)Politics is a complicated business.
2)Here is the news.
(4)用and连接的单数主语,前面有each, every, many a, no等修饰时,谓语动词要用单数形式。复数主语与each连用时,应不受each的影响,谓语动词仍用复数形式。例如:
1) Each pen and each paper is found in its place.
2) Every boy and girl is treated in the same way.
3) Many a boy and many a girl has seen it.
4) The old workers and the young each have their own tools.
(5)表示重量、度量、衡量、价值的复数名词作主语,谓语动词常用单数形式。例如: