名词可以分为可数名词与不可数名词，其中可数名词具有单、复数的形式；而不可数名词没有复数形式。
1. 从单数到复数，变形规则如下：
1．一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds
2．以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, watch-watches
最长跨海大桥3．以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families（家庭）, strawberry-strawberries（草莓）
4．以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives
5.以o结尾分两类，有生命的加es,无生命的加s。
6．不规则名词复数：
man—men男人 woman—women 女人 mouse—mice老鼠
tooth—teeth牙齿 foot—feet脚 goose—geese 鹅
policeman（男警察）-policemen, policewoman（女警察）-policewomen,
倒映近义词child —children 孩子
单复同形的名词有：
chinese 中国人Japanese日本人people-people
sheep 绵羊 deer 鹿 fish鱼
注意：fish①当一条鱼讲时，单复数同形，如three fish.②当各种各样的鱼讲时，即强调鱼的种类时，要加es.
如：all kinds[kaindz] of fishes .各种各样的鱼
③当鱼肉讲时，不可数。
注意be 动词遇到名词时的运用: 单数名词用is, 复数名词全用are.
2.以下词为常为不可数名词，他们的复数形式就是他们本身。
Water(水) milk(牛奶) tea(茶) rice(米饭) orange（橙汁）juice（果汁）bread（面包）
练习题
一、写出下列各词的复数
I _________ this ___________that___________ watch ______第一滴泪吉他谱
child _______ photo ________diary _________ day________
foot________ book_______ dress __________ tooth_______
sheep ______ box_______ strawberry __________thief _______
yo-yo ______ peach______ sandwich __________man______ woman_______ paper_______ juice___________water________ milk________ rice__________ tea___
____________-
二、写出下列各词的复数
1. I have two_____ (knife)
2. There are many _____ here. (box)
3. There are many _____ on the road. (bus)
4. A few _____ are drawing on the wall. (boy)
5. The _____ are playing football now. (child)
三、写出下列名词的复数形式
1、orange
2、class
演讲稿大全3、text
4、monkey
5、piano
6、child
7、shelf
8、bed祝你好运
9、country
10、family __
1、toy
12、foot
13、Japanese
14、radio
15、photo
芦花荡教案6、army
17、tomato
18、fox
19、woman
20、knife
1、sheep
四、选择填空
1、There on the wall .They are very beautiful.
A. are photoes B. are photos
C. is a photo D. is photos
2. This kind of car made in .
A. is B .are C .were D .has
3. There are four and two in the group.
A. Japanese, Germen B Japaneses, Germen
C. Japanese,German C.Japanese, Germans
4. That’a art book.
A. an B. a C. the D are
5. The boys have got already.
A. two bread B. two breads
C. two pieces of bread D. two piece of bread
6. The old man wants .
A. six boxes of apples B. six boxes of apple
C. six box of apples D. six boxs of apples
7. There some in the river.
A. is ,fish B. are, fishs
C. is, fishs D. are ,fish
8. There two in the box.
A. is watch B. are watches
C. are watch D. is watches
9. We should clean twice a day.
A .our tooth B. our tooths
C.teeth D.our teeth
10.The _____ meeting room is near the reading room.
A.teacher B.teacher’s C.teachers’ D.teachers
11. In _____ are all painted red.
A.letter boxes B.letters boxes
C.letter box D.letters box
A. country B. countries C. a country D. countrys
13. How many ______ do you see in the picture?
A. tomatos B. tomatoes C. tomato D. the tomato
14. They are______.
A . woman teachers B. women teachers
C. women teacher D. woman teacher
15. Would you like _______ ,please?
A. two glass of water B. two glasses of water
C. two glass of waters D. two glasses of waters
16. Most of ______ live in _______.
A. Germans, German B. German, Germen
C. , D. Germans,
17. There are some ______ in these _______.
A.knifes…pencil-boxes B.knives…pencils-box
C.knives…pencil-box D.knives…pencils-boxes
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