小学英语可数名词单数复数规律 
1.一般情况下,直接加s
  如:apple-apples      pig-pigs        book-books    pencil-pencils
2.如果单词以sshchx结尾的名词,加es
如:bus-buses(公车)        class-classes(班级)        watch-watches(眼花缭乱是什么意思手表)
box-boxes(盒子)        fox-foxes(狐狸)
3.y结尾的单词,元音字母+y的,直接加s: 如:boys babys;
以辅音字母+y结尾的名词,把y改成i十大恐怖故事es
  如:family-families(家庭)  strawberry-strawberries(草莓)  story-stories(故事)
4. 如果单词以ffe结尾的名词,把ffe改成ves
  如:wife-wives,  knife-knives
5. 如果单词以0"结尾:
(1)有生命的,加es如:potato-potatoes,tomato-tomatoes,hero-heroes
(2)无生命的,加s如:photo-photos(照片),radio-radios(收音机)
6.00改为ee"的名词,如:tooth-teeth(),foot-feet(),goose-geese()
7.单复同形的名词:
fish-fish        sheep-sheep(绵羊)        paper-paper()
people-people(peoples表示民族”)
8.不规则变化的名词:
1man-men, woman-women         
延伸:policeman-policemen, policewoman-policewomen
2child-children(孩子)
 3mouse-mice(老鼠)
 4)根据中文意思变化的名词,
如:I-we(-我们),        you-you(-你们),    he/she/it-they(//-他们),      this-these(这个-这些),  that-those(那个-那些)
                              巩固练习
一、写出下列名词的复数形式
1.orange ___________           2.class_____________             3.text _______________         
4.monkey __________      员工持股计划   5.piano_____________              6.child ______________         
7.shelf_____________         8.bed ______________             9.country _____________       
10.family___________         11.早穿皮袄午穿纱toy ______________         12.foot________________           
13.Japanese __________      14.radio_____________            15.photo______________         
16.army  ____________       17.tomato____________           18.fox _______________           
19.woman ___________        20.knife_____________            22.sheep______________ 
23.watch_____________    24.baby_____________      24.pen_______________       
二、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  Shanghai.
   A.  is          B .are          C .were          D .has
3. here are four________and two_______in the group.
    A. Japanese, Germen    B Japaneses, Germen  C. Japanese,German    C.Japanese, Germans
4. That’s _________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  喝酒礼仪    B.teacher’s        C.teachers’      D.teachers
11. In Britain _____ are all painted red.
  A.letter boxes   B.letters boxes     C.letter box      D.letters box
12.They come from different ______
  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.There are some ______ in these _______.
  A.knifes…pencil-boxes    B.knives…pencils-box
C.knives…pencil-box      D.knives…pencils-boxes
16. There are some ________ on the hill.
  A. Sheeps      B. a sheep     C. sheep       D. sheepes
17.There are some new books in the school library. They are ____ books.
  A. child         B. childrens'    C. children   D. children's
18. I have worn out my shoes, so I want to buy a new ________ .
  A. pair         B. one           C. ones       D. trousers
19. Meimei's handwriting is better than any other ______ in his class.
  A. students     B. students       C. student's     D. students'
20.The hospital is a bit far from here. It's about _______ .
  A. forty minutes's walk   整理床铺的英文B. forty minute's walk
  C. forty minutes walk     D. forty minutes' walk
三.填入所给名词的正确形式