shoes鞋子

scissors剪子

shorts 短裤

socks短袜

trousers 裤子

My trousers are white and his clothes are black.我的裤子是白色的，他的衣服是黑色的。

Why are your shoes so dirty?

注意：如果这些词由单位词（a pair of，a suit of，a piece of,a kind of等）靠饰时，单位词的单复数决定谓语动词的单复数

如：A pair of scissors is lying in that drawer.

These kinds of glasses are popular this summer.

④ 表示国家、人名、书名、组织机构等的专有名词作主语时，谓语动词用单数

如：The united States is a developed country

The New York Times is widely read in the world.

⑤ 以-s结尾的群岛、山脉、海峡、瀑布等专有名词谓语动词用复数

如：The Himalayas have a magnificent variety of plants.植物种类繁多

The Niagara Falls are splendid waterfalls.

⑥ 以-s结尾的名词作主语时谓语动词用复数

如：belongings财产

clothes衣服

plastics塑料制品

eamings收入

goods货物

leavings剩余

savings储存

All the goods are very expensive.

⒉ 集体名词作主语时

① mankind,humanity,man 作主语时，谓语一般用单数

如：Only man knows how to cook.有人懂得烹饪

注意：mankind表示"人（类）"有时表示复数意义，其表语是复数。

如：Mankind are intelligent animals人是理智的动物.

② people,police,cattle,youte作主语时，只有单数形式，但却表示复数意义谓语动词用复数

如：The police are investigating the riot.

The cattle are grazing the the filed.

Many cattle were killed for this.

注意：people作民族讲时有复数形式。

如：There are 56 peoples in China.

③ family,crowd 等作主语时，根据概念确定谓语动词

这类集体名词有：Army；assembly； audience；band；class；club；committee；company；congress；youth crew；crowd enemy；family gang；govermment group herd；jury population；public team 强调整体，用单数谓语；强调个体，用复数谓语。

如：The family is going to move to New York.

The farmily have different opinions about their going abroad.