可数名词单数变复数规则及练习
名词可以分为可数名词与不可数名词，其中可数名词具有单复数的形式；而不可数名词没有可数名词复数变化规则如下： 
1．一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds
2．以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, watch-watches
radio的复数形式3．以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families, strawberry-strawberries
4．以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives
5．以o结尾，有生命的加es, 无生命的加s. 如：potato-potatoes. zoo-zoos
6．不规则名词复数：
 man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice
 child-children, foot-feet,. tooth-teeth, fish-fish, sheep-sheep people-people, Chinese-Chinese, Japanese-Japanese,当people后加上s时即peoples表示“民族”例如There are 56 peoples in China.
以下词为常为不可数名词，他们的复数形式就是他们本身。
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 ____boys_ are drawing on the wall. (boy)
5.  The _childen____ 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-box      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
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、watchs    C、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’a          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)
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.
___________________________________
4 .These are mice. 
___________________________________       
5． Those are children.   
___________________________________
答案
1.knives  boxes  buses  boys  children
2.BBDCB    ACBAB  CCBAB
3.Children  policeman  potatoes  leaves  boxes  families
4.Radios  boys  sheep  an 
5.These are knives.
  Those are tomatoes.
  Those children are very good.
  This is rice.
  That is child.
   

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