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
4.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): potato→potatoes tomato→tomatoes
5.以辅音字母+y结尾的词,变y为i加es,如baby→babies, family-families, study—studies等;
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);
radio复数6. oo变ee的单词:foot-feet, goose-geese,tooth-teeth;
7. a变e的单词: man-men, woman—women, policeman—policemen;
8。 复数与原形一致的单词:fish—fish, sheep-sheep, deer-deer, Chinese-Chinese, Japanese-Japanese;
9.最特殊的一个:German-Germans。
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 are three_____________(chair) in the classroom.   
2〉 These_____________ (tomato) are red. 
3> My brother looks after two_____________ (baby)   
4> My father likes to eat_____________ (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 are some_____________ (bus)in the street。 
10> Monster has eight_____________ (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_____ before she 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。 mice    C. mouse   
(  )13。 I need a pen and some _____。  A。 books    B。 desk    C. chair
(  )14. There are______  in the room.  A. photos    B. photoes    C. photo 
(  )15。 There is some _____ in the river.  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. our tooths  C. our teeth
(  )18. My _____ room is next to the reading room.
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 

版权声明:本站内容均来自互联网,仅供演示用,请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198,我们将在24小时内删除。