.一般情况下,直接加s
如:apple-apples pig-pigs book-books
2.以s、sh、ch、x结尾的名词,加es
如:bus-buses(公车) class-classes(班级)
fish-fishes(此时的fish当―鱼的种类‖讲)
watch-watches(手表) box-boxes(盒子) fox-foxes(狐狸) 3.以
元音字母+y结尾的名词,直接加s
如:boy-boys(男孩) toy-toys(玩具)
4.以
辅音字母+y结尾的名词,去y改ies
如:family-families(家庭) strawberry-strawberries(草莓) 5.以f或fe结尾的名词,去f或fe改ves
如:wife-wives knife-knives wolf-wolves
(这三个词的记忆口诀---―妻子‖拿着―小刀‖杀了―狼‖)
6.以‖o"结尾的名词:
(1)有生命的,加es,
如:potato-potatoes tomato-tomatoes hero-heroes (这三个词的记忆口诀---‖英雄―爱吃‖土豆―和‖西红柿―)
(2)无生命的,加s .
如:photo-photos(照片) radio-radios(
收音机) Piano—pianos(钢琴)
7.将―oo‖改为―ee"的名词
1
如:tooth-teeth(牙) foot-feet(脚) goose-geese(鹅)
8.单复同形的名词:
(1)f ish-fish(此时fish当―同类鱼的很多条‖讲)
sheep-sheep(绵羊) paper-paper(纸)
people-people(peoples表示―民族‖)
Chinese-Chinese(中国人) Japanese-Japanese(日本人) (2)
不可数名词,如:water(水),rice(米饭),milk(牛奶),juice(果汁),bread(面包),tea(茶),orange(橙汁)