三年级名词单数变复数规则
1.一般情况下，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
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)
9.不规则变化的名词：
（1）m an-men,woman-women (记忆方法，“男人”变“女人”，“a”
变“e”.延伸policeman-policemen policewoman-policem （2）c hild-children（孩子）
（3）m ouse-mice(老鼠）
（4）根据中文意思变化的名词，
如：I-we (我-我们) you-you (你-你们)
he/she/it-they (他/她/它-他们)
this-these(这个-这些) that-those(那个-那些)
am/is –are (是) has-have(有)
注：apple tree-apple trees man teacher-men teachers
以此类推
课堂练习
一．出下列各词的复数。
1.mouse______
2.this_______
3.watch_______
4.child_______
5.photo______
6.diary_______
7.boy________
8.foot________
9.fish_______ 10.thief_______ 11.man________ 12.firman___ 13.Chinese_____ 14.deer______ 15.I ____
16.tomato______ 17.brush_____ 18.glass____
二、选择题。
（）１.Ｔhis _____a car .
A . is B. are C. has
( ) 2. I have two _____friend and a _____friend .
A .Japanese , Chinese B.Japanese , Chinese
C.Japanese , Chinese
( ) 3.I want some_____.
A.a fish
B. fish
C.fishes
( ) 4.The two _____are in the room.
A.man B men C.a man
( ) 5.I clean _____in the morning.
A.my tooth
B. my tooth
C.my teeth
三、仿照例子，把下列句子中的名词改为复数形式。
例子：I am a tall boy. We are tall boys.
1.She is a beautiful girl. _______________________
2.He is a strong man . ______________________
3.This is a big mouse. _______________________
4.That is a small fish. ______________________
5.It has a long tooth . ______________________
英语专项测试名词复数（总分100 分）
姓名:________________ 分数: _____________
一、请写出下列词的复数形式。(1’*50=50’)
city______mouse________ tree______ branch_______radio_______ leaf______woman_______zoo______country_______tooth_______ boy_______broom ______car ______ bus_______fox _____
family _____ piano _____ thief_____ foot _____ dish _____ knife _____ man _______ this ______horse _____ baby _____ photo_____life_____child_______watch_______diary__________ day_________book________dress______sheep________tea________ box_______strawberry_________peach_____sandwich__________ paper_________juice__________water______milk___________
rice__________people_________CD________ox___deer______ fish___________
二、单项选择(1’*10=10’)
( )1. The __ in our yard are very beautiful.
