1. 通常用作复数的集合名词
police(警察),people(人),cattle(牛,牲口)等集合名词,总是表示复数意义,用作主语时,其谓语要用复数:
The police were after him. 警察正在追捕他。
People are beginning to talk about her. 人们开始议论她。
Cattle feed on grass. 牛吃草。
【注】goods(货物), clothes(衣服)只有复数形式,且只表示复数意义:
Such clothes are very cheap. 那样的衣服很便宜。
All the goods have been sent to them. 所有的货物都给他们送去了。
2. 只用作单数的不可数集合名词
clothing(衣服),poetry(诗歌),baggage / luggage(行李), furniture(家具),machinery(机械),scenery(景色),jewellery(珠宝),equipment(设备)等集合名词通常只用作不可数名词,表示单数意义,用作主语时,其后谓语动词用单数形式:
Our clothing protects us from against the cold. 我们的衣服可以御寒。
All their baggage was stolen. 他们所有的行李都被偷了。
The furniture is convenient to move. 这家具搬起来很方便。
All the machinery in the factory is made in China. 这个工厂所有的机器都是中国产的。