2）集体名词作主语时，谓语的数要根据主语的意思来决定。如family, audience, crew,crowd, class, company, committee等词后用复数形式时，意为这个集体中的各个成员，用单数时表示该个集体。
His family isn't verylarge. 他家不是一个大家庭。
His family are musiclovers. 他的家人都是音乐爱好者。
　　但集合名词people, police, cattle,poultry等在任何情况下都用复数形式。
Are there any policearound?