名词的复数形式变化规则

名词的复数形式变化规则：

一规则变化（7 条）

1．一般情况下，直接在名词后+ s

例：book →books bag →bags tree →trees 2．-s, -ss , -sh , -ch , -x , -z结尾→+ es

例：bus →buses class →classes brush →brushes box →boxes buzz →buzzes watch →watches 3．辅音字母+ y 结尾→改y为i + es

例：factory →factories baby →babies lady →ladies 4．元音字母+ y 结尾→+ s

@

例：boy →boys key →keys monkey →monkeys 5．-f, -fe 结尾

①一般情况下：-f, -fe 去掉→v + es

例：leaf →leaves wife →wives knife →knives

②-f, -fe →直接+ s

chief→chiefs gulf →gulfs safe →safes 6．-o→三种情况

⑴一般情况→+ s

例：photo →photos piano →pianos

⑵→+ es

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potato土豆→patatoes tomato西红柿→tomatoes 7．-oo →+s

例：zoo→zoos kangaroo →kangaroos

二不规则变化( 10 个)

①man →men ②woman →women

③foot →feet ④tooth →teeth ⑤goose →geese

⑥mouse →mice ⑦louse →lice

⑧child →children ⑨ox →oxen ⑩German→Germans

三单复数同形

sheep 绵羊→sheep fish鱼→fish （fishes→强调种类）deer鹿→deer Chinese 中国人→Chinese Japanese日本人→Japanese