可数名词复数变化规则如下：
1．一般情况下，直接加-s站在高岗上原唱，如：book-books, bag-bags, cat-cats, bed-beds
2．以s. x. sh. ch结尾，加-es，读作【iz】。如：bus-buses, box-boxes, watch-watches，brush-brushes
3．以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families, strawberry-strawberries
练习：library dictionary
4．以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives，thief-thieves
练习：wolf wife
5. 以o结尾，记住hero-heroes, tomato-tomatoes， potato-potatoes加es(英雄爱吃西红柿和土豆)
不规则名词复数变化：
man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice, child-children, foot-feet, tooth-teeth
以下名词单复数相同
fish-fish, sheep-sheep， deer-deer
以下词为不可数名词。
water(水) milk(牛奶) tea(茶) rice(米饭) orange（橙汁）juice（果汁）bread（面包）
不可数名词的数量关系可借助量词表示，如:a cup of tea, two cups of tea
名词复数练习题
1）.填入所给名词的正确形式
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)
2）选择填空
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. There are some ______ in these _______.
A. knifes…pencil-boxes B. knives…pencils-box
C. knives…pencil-boxes D. knives…pencils-boxes
4. There is no ______ in the plate.
A. apples B. oranges C. rice D. eggs
5. _______ are good for our health.
A. Tomatos B. Tomatoes C. Tomato
6. I like to eat cake with ______.
A. cherries B. cherry C.cherrys
7. ______ and ______ are not friends.
A. Foxs wolfs B. Foxes wolfs C. Foxes wolves社团宗旨
8. Do you want to drink much ?
A、a milk B、milk C、milks
9. This is room. It’s very big.
A、Lily and Lucy’s B、Lily’s and Lucy’s
C、Lily’s and Lucy
10. Do you want some for supper?
A、a potato B、potatoes C、potatos
11. In autumn，you can see a lot of on the ground.
A、leaf B、leafs C、leaves
12. My sister has two . One is old，the other is new.
A、a watch B、钓鱼配方watchs C基层司法行政工作业务网、watches
13.There on the wall .They are very beautiful.
A. are photoes B. are photos
C. is a photo D. is photos
14. That’s art book.
A. an B. a C. the D are
15. There two in the box.
A. is watch B. are watches
C. are watch D. is watches
3）请用括号中名词的复数形式填空
1． Look at those _______. (child)
2． I can see a __________ standing near the door. (policeman)
3． Do you want some ________ for dinner? (potato)
安全生产责任体系4． In autumn, you can see a lot of _______ on the ground.(leaf)
5． He has two _______.One is blue , the other is yellow.( box)
6． Two ________ live in this building .( family )
4）选择正确的词形
1． How many (radioes, radios) can you see?
2． There are 36 (boys, boies) in my class.
3． Look at those (sheeps, sheep).
4． I don’t want (a, an) old cup.
5． Give me that (box, boxes), please.
5）将以下单复数句进行转换
1． This is a knife. ______________________________
2． That is a tomato. ______________________________
3． That child is very good.____________________________
春节的作文300字4 . These are mice. ____________________________
5． Those are children. _____________________________
6)写出下列单词的复数
I _________him _________this ___________her ______
watch _______child _______photo ________diary ______
day________ foot________ book_______ dress ________
tooth_______ sheep ______box_______ strawberry _____
thief _______yo-yo ______ peach______ sandwich ______
man______ woman_______ paper_______ juice_____
water________ milk________ rice__________ tea_______
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