三年级名词单数变复数规则
1.一般情况下,直接加s
如：apple-applespig-pigsbook-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-wivesknife-kniveswolf-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-potatoestomato-tomatoeshero-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）fish-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：
radio的复数形式（1）man-men,woman-women <记忆方法,"男人"变"女人","a"变"e".延伸policeman-policemenpolicewoman-policem
（2）child-children〔孩子
（3）mouse-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.
A. cloth B. water C. flowers
< >2. Tom is one of the Chinese _____ in our school.
A.boy B. boys C. boies
< >3. A cat has four ____ , doesn't it?
A. foots B. feet C. feets
< >4. There are three ____ and five _____ in the room.
A. American, Japanese B Americans, Japanese
C. American, Japanese
< >5. Can you see nine ____ in the picture?
A. fish B. book C. horse
< >6. The _____ has two______.
A. boy; watch B. boy; watches C. boys; watch
< >7. The _____ are flying back to their country.
A. Germany B. GermanysC. Germans < >8. The girl brushes her _____ every day before she goes to bed.
A. tooths B. teeth C. teeths
< >9.I saw many _____ in the street.
A. peoples B.people
<_>10.The green sweater is his _________.
A.brother B.brothers C.people’s   D.brother’s
三、选择填空 <1’*10=10’>
< >1. They come from different ______
A.country B. countries C. a country D. countrys
< >2. How many ______ do you see in the picture?
A.tomatos B. tomatoes C. tomato D. the tomato
< >3. They are______.
A . woman teachers B. women teachers C. women teacher
D. woman teacher
< >4. Would you like _______ ,please?
A. two glass of water B. two glasses of water
C. two glass of waters D. two glasses of waters
< >5. Most of ______ live in _______.

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