文档介绍：1)child---children foot---feet tooth---teeth mouse---mice man---men woman---women 注意:与 man 和 woman构成的合成词,其复数形式也是-men 和-women。如: an Englishman,two Englishmen. 但German不是合成词,故复数形式为Germans;Bowman是姓,其复数是the Bowmans。
2)单复同形如: sheep(绵羊); fish(但fishes表种类); Chinese(中国人); Japanese(日本人);Swiss(瑞士人); li(里); jin(斤); yuan(元); mu(亩); li,jin,yuan,two li,three mu,four jin 但除人民币元、角、分外,美元、英镑、法郎等都有复数形式。如: a dollar, two dollars; a meter, two meters deer(鹿);   
1). Some deer are eating grass at the bottom of the hill.
   2). Every possible means has been tried, but none has worked.
   3). All possible means have been tried, but none has worked.
4). a dollar, two dollars; a meter, two meters
3)集体名词,以单数形式出现,但实为复数。如: people police cattle 等本身就是复数,不能说 a people(人们),a police(警察),a cattle(牛),但可以说 a person,a policeman,a head of cattle 或 two people(persons); three police(policemen); four cattle(head of cattle)。the English,the British,the French,the Chinese,the Japanese,the Swiss 等名词,表示国民总称时,作复数用。如: The Chinese are industries and brave. 中国人民是勤劳勇敢的。集体名词,以单数形式出现,但实为复数。
(1) 通常作不可数名词的集体名词
有些集体名词,如foliage,machinery,equipment,furniture,merchandise,通常作不可数名词,:All the machinery in the factory is made in China.
(2)既可作单数也可作复数的集体名词
集体名词,如audience, committee, class, crew, family, public, government等,既可作单数,也可作复数用.
The city council is meeting to set its agenda.
(3)mittee,etc. of +复数名词
如果主语是由"mittee of /a panel of /a board of +复数名词"构成,:
mittee of five men and three women is to consider the matter.
4)以s结尾,仍为单数的名词,如: a. maths,politics,physics等学科名词,为不可数名词,是单数。 b. news 是不可数名词。 c. the United States,the United Nations 应视为单数。 The United Nations anized in 1945. 联合国是1945年组建起来的。 d. 以复数形式出现的书名,剧名,报纸,杂志名,也可视为单数。 The Arabian Nights is a very interesting story-book. >是一本非常有趣的故事书。
5) 表示由两部分构成的东西,如:glasses (眼镜) trousers, clothes 若表达具体数目,要借助数量词 pair(对,双); suit(套); a pair of glasses; two pairs of trousers
6)另外还有一些名词,其复数形式有时可表示特别意思,如:goods货物,waters水域,fishes(各种)鱼
英语中有些名词总是以复数形式出现:
scissors(