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1、-三年级英语知识总结：名词的单复数-第 5 页名词的单复数一、名词可以分为：1.可数名词。有单复数。cat-cats, boy-boys2.不可数名词。没有单复数，一律看作单数。3. a/an的用法以元音音标（或音素）开头的用an。 例：an apple, an orange, an elephant以辅音音标（或音素）开头的用a。 例：a dog, a boy, a book注意：我们看的是音标（或音素），而不是元音字母。练习：选择a或an或不填（用/表示）_ pen_bag_apple_big apple_banana_orange_oranges_orange pen答案：a, a ,a
2、n, a, a,an, /, an二、重点：可数名词的变化规则：1.一般在词尾加s。 如：books，bags，fruits。2.以s、x、ch、sh结尾的名词加es。如：class-classes, box-boxes3.以辅音字母加y结尾的名词，变y为i再加es，读iz。如：baby babies4.以f、fe结尾的名词变f、fe为ves。如：wolf狼wolves wife（妻子）wives5.以o结尾的名词，有生命的加es,没生命的加s。如：有生命tomato-tomatoes, potato-potatoes, hero-heros, mango-mangoes无生命photo-ph
3、otoszoo-zoos6.名词复数的不规则变化：manmen男人womanwomen女人tooth teeth牙齿foot feet脚mouse mice老鼠child children孩子7.单复同形的名词有：chinese中国人Japanese日本人sheep绵羊deer鹿fish鱼people人注意：fish当一条鱼讲时，单复数同形，如three fish.强调鱼的种类时，要加es如：all kinds of fishes各种各样的鱼当鱼肉讲时，不可数。8.不可数名词，没有单复数water(水)milk(牛奶)tea(茶)rice(米饭)orange（橙汁）juice（果汁）bread
4、（面包）hair（头发）名词单复数相关练习一、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 _21、tooth _ 22、leaf _二、单项选择( )1. The _ in our yard are very beauti
5、ful.A. cloth B. waterC.flowers( )2. Tom is one of the Chinese _ in our school.A. boyB. boysC. boies( )3. A cat has four _ , doesnt it?A. foots B. feetC. feets( )4. There are three _ and five _ in the room.A.American, Japanese B.Americans, Japanese C.American, Japaneses( )5. Can you see nine _ in the
6、 picture?A. fishB. book C. horse( )6. The _ has two_.A. boy; watchB. boy;watchesC. boys;watch( )7. The _ are flying back to their country.A.GermanyB.GermanysC.Germans( )8. The girl brushes her _ every day before he goes to bed.A. toothsB. teethC. teeths( )9. I saw many _ in the street.A.peoplesB.peo
7、pleC.peoples( )10. The green sweater is his _.A.brotherB.brothersC.brothers( )11. They come from different _A.countryB.countriesC. acountryD.countrys( )12. How many _ do you see in the picture?A.tomatosB.tomatoesC.tomatoD. the tomato( )13. They are_.A . woman teachersB. women teachersC. women teache
8、r D. woman teacher( )14. Would you like _ ,please?A. two glass of waterB. two glasses of waterC. two glass of watersD. two glasses of waters( )15. Most of _ live in _.A. Germans,GermanB.German, GermenC.Germen, GermanyD.Germans, Germany( )16. Here are some _ in these _.A.knifes pencil-boxesB.knives p
9、encils-boxC.knives pencil-boxD.knives pencils-boxes( )17. _ like _ by air.A.Greens, travelingB. TheGreen, travelingC. TheGreens, travelD. TheGreens, travelling( )18. I wonder why _ are interested inaction films(武打片).A. the peopleB. people C.peoplesD. the peoples( )19. There is no _ in the plate.A.ap
10、plesB.orangesC.riceD. eggs( )20.My uncle has three _.A.childB.childsC.childrenD.childrens三、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)6. Please take two _ for m
11、e. (photo)7. I like the red_.(tomato)8. Would you please clean your_ now? (tooth)9. Do you want some _? (milk)10. There are ten _ _in our school. (woman teacher)参考答案：温馨提示：以下内容为本公众平台老师在业余时间人工整理，如发现有错误，欢迎大家留言指正。一、1.oranges 2. classes3.monkeys 4. pianos5.children 6. shelves7.beds 8. countries9.families
12、 10. toys11.feet 12. radios13.photos 14. tomatoes15.women 16. knives17.sheep 18. ships19.dishes 20. mice21.teeth 22. leaves二、1. C 2. B3. B 4. B 5. A6. B 7. C 8. B9. B 10. C 11. B12. B 13. B 14. B15. D 16. A 17. D18. B 19. C 20. C三、1.knives 2. boxes 3. buses4. boys 5. children 6. photos7. tomatoes 8. teeth 9. milk10. women teachers