piano的复数形式(英语可数名词单数变复数变化规则)
英语可数名词单数变复数变化规则：
1．一般名词复数是在名词后面加上“s”，如map→maps，bag→bags，book-books等；
2．以s，x，sh，ch结尾的词加“es”，如bus→buses，watch→watches,box-boxes等；
3.以y结尾的分为两种：
1》以辅音字母＋y结尾的词，变y为i加es，如baby→babies,family-families, study-studies等
2》以元音字母＋y结尾的名词变复数时，直接加s变复数，如：
monkey→monkeys，
holiday→holidays，
storey→storeys（楼层）；
￥4以f或fe结尾的名词变复数时,去掉f，fe加ves的名词有：
half→halves
knife→knives
leaf→leaves
wolf→wolves
wife→wives
life→lives
thief→thieves
5.以o结尾的名词变复数时：
a）加s的名词有（无生命）：photo→photos，piano→pianos，radio→radios
b）加es的名词有（有生命）：
即“黑人英雄爱吃土豆西红柿” es：
黑人 negro→negroes
英雄 hero→heroes
土豆 potato→potatoes
西红柿 tomato→tomatoes
名词单数变复数的练习题
一、写出下列名词的复数形式
1、orange__________
2、class ___________
3、monkey__________
4、piano___________
5、child ___________
6、shelf ____________
7、bed____________
8、country__________
9、family___________
10、toy__________
11、foot __________
12、radio__________
13、photo__________
14、tomato___________
15、woman___________
16、knife________
17、sheep__________
18、ship__________
19、dish___________
20、mouse___________
二、用所给的单词的复数的正确形式填空：
1> There arethree_____________(chair) in the classroom.
2> These_____________(tomato) are red.
3> My brother looks aftertwo_____________ (baby)
4> My father likes toeat_____________ (potato).
5> Chinese_____________(people)like to eat noodles.
6> I have a lot of_____________ (toy) in my bedroom.
7> My mother wash_____________(dish) in the kitchen.
8> I have two_____________(pencil-box).
9> There aresome_____________ (bus)in the street.
10> Monster haseight_____________ (foot).
三、选择填空
( )1．I can see three ________ in the zoo.
A. monkeys B. monkeys C. monkey
( )2. The pig has four ________.
A. foot B. feet C. foots
( )3. My two brothers are ________.
A. policeman B.policemans C. policemen
( )4. I can see ten _____ in the picture.
A. sheep B. dog C. pig
( )5. The _____ has three_____.
A. boys, watches B.boy, watch C.boy, watches
( )6. Can you see _______on the plate?
A. bread B. breads C. breades
( )7. The girl often brushes her_____ beforeshe goes to bed.
A. tooth B. tooths C. teeth
( )8. Mr. Black often drink some_________.
A. milk B. milks C.milkes
( )9. There are some _____on the floor.
A. child B. man C. books
( )10. Lucy will has some _______.
A. photo B. photos C. photoes
( )11. I am drinking two ________.
A. cups of water B. cup of water C. cups of water s
( )12. The cat eats two _______ on Monday.
A. mouses B. miceC. mouse
( )13. I need a pen and some _____.
A. books B. deskC. chair
( )14. There are______inthe room.
A. photos B. photoes C. photo
( )15. There is some_____in theriver.
A. fish B.fishes C. fishs
( )16. There___two___in the box.
A. is watch B. are watches C. are watch
( )17. We have to clean___every day.
- A.our tooth B. ourtooths C. our teeth
( )18. My _____ room is next to the readingroom.
A.teacher B.teacher’s C.teachers
( )19.Tom and Jim are ______.
A.friends B.friend C.brother
( )20.How many _____do they have?
A.picture B.pictures C.a picture
四写出下列名词的复数形式。
1．bag _______
2．orange_______
3．family_______
4．wish _______
5．shelf _______
6．knife _______
7．key _______
8．baby _______
9．tooth_______
10．foot _______
11．woman_______
12．sheep_______
13．Japanese _______
14．potato _______
15．radio _______
16．child _______
17．fish _______
18．photo _______
19．Frenchman _______
20．man doctor _______
21.watch _______
22.bus _______
23.sheep _______
24. foot_______
五选择填空
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.They are______.
A . woman teachers B. women teachers
C. womenteacher 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 _______.
A. Germans, German B. German, Germen
C. Germen, Germany D. Germans, Germany
6.There are some ______ in these _______.
A. knifes…pencil-boxes B. knives…pencils-box
C. knives…pencil-box D.knives…pencils-boxes
7.______ like ______ by air.
A. Greens, travelling B. The Green, traveling
C. TheGreens, travel D. The Greens,traveling
8. Iwonder why ______ are interested in action films(武打片).
A. the people B. peopleC. peoples D. the peoples
9.There is no ______ in the plate.
A. apples B. oranges C. rice D. eggs
10. _______are good for our health.
A. Tomatos B. Tomatoes C. Tomato
11. ______ and ______ are not friends.
A.Foxs…wolfs B. Foxes…wolfs C.Foxes…wolves
12. These are the ______ of our national______.
A. photos … heroes B. photoes … heroes C. photos … heros
13. The ______ are running on the ______.
A. deer … grasses B. deers … grass C. deer … grass
14. I was so hungry and I ate two ______.
A. bowls of noodle B. bowls of noodles C. bowl of noodles
六填入所给名词的正确形式
1. Ihave two_____ (knife)
2.There are many _____ here. (box)
3.There are many _____ on the road. (bus)
4. Afew _____ are drawing on the wall. (boy)
5. The_____ are playing football now. (child)
七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 thedoor. (policeman)
3 Do you want some ________ for dinner?(potato)
4 In autumn, you can see a lot of _______ onthe ground.(leaf)
5 He has two _______.One is blue , the otheris yellow.( box)
6 Two ________ live in this building .(family )
八选择正确的词形
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.
九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 verygood.
_____________________________________
4. These are mice.
______________________________________
5. Those are children.
________________________________
