复数名词是指表示两个或多个个体的名词，它们在形式上通常在词尾加上“-s”或“-es”。以下是一些常见的复数名词示例：

一般规则

dog → dogs

house → houses

gram → grams

officer → officers

以s, ss, sh, ch及x结尾

kiss → kisses

watch → watches

box → boxes

bush → bushes

glass → glasses

以o结尾

tomato → tomatoes

potato → potatoes

piano → pianos

dynamo → dynamos

photo → photos

kimono → kimonos

biro → biros

studio → studios

radio → radios

zoo → zoos

以辅音字母+y结尾

baby → babies

university → universities

fly → flies

impurity → impurities

以f或fe结尾

calf → calves

half → halves

knife → knives

leaf → leaves

life → lives

loaf → loaves

self → selves

sheaf → sheaves

shelf → shelves

thief → thieves

wife → wives

wolf → wolves

特殊变化

child → children

man → men

woman → women

deer → deer（单复数相同）

sheep → sheep（单复数相同）

fish → fish（单复数相同）

Chinese → Chinese（单复数相同）

Japanese → Japanese（单复数相同）

集体名词

people

police

cattle

以s结尾但视为单数

maths

politics

physics

news

the United States

the United Nations

书名、剧名、报纸、杂志名

"The Arabian Nights"

表示由两部分构成的东西

glasses（眼镜）

trousers

clothes

a pair of glasses

two pairs of trousers

有些名词的复数形式有时可表示特别意思

goods

waters

fishes

这些规则可以帮助你更好地理解和掌握英语中复数名词的形式和用法。