可数名词,不可数名词,练习题 ,七年级
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可数名词变复数规则变化
1、一般情况下,加s ;
读音规则:清读/s/ ,浊、元/z/
eg:book→books;desk→desks;pen→pens;car→cars
s遇t读[ts],遇d读[dz]
eg:friend→friends; cat→cats;
2.、以s、x、ch、sh结尾的名词,加-es;
读音规则:读[iz];
eg:bus→buses; box→boxes; watch→watches; dish→dishes
3、以辅音字母+y结尾的名词,要把y变为i,再加-es;
读音规则:读[z]。
eg:library---libraries; baby→babies;
注意:元音字母加y结尾的单词直接加s;
eg:toy→toys;boy→boys;
4、以-f或-fe结尾的名词,要将-f或-fe变为-v,再加es;
读音规则:读[vz];eg:knife→knives;leaf→leaves;
5、以-o结尾的名词,有的加s,有的加es
读音规则:读[z]。
初中阶段只有4个单词要加-es,其余都加-s;
口诀:“黑人英雄爱吃土豆西红柿”
eg:tomato→tomatoes西红柿; potato→potatoes土豆; hero→heroes英雄; Negro —Negroes
其余eg:zoo→zoos; photo→photos;
可数名词变复数不规则变化:
1. 单词内部发生变化:口诀:oo常常变ee,男人女人a变e
eg:foot→feet脚;tooth→teeth牙齿;man→men男人;woman→women女人;
2.单复数相同:羊鱼小鹿无变化,单数复数是一家
eg:sheep→sheep绵羊;fish→fish鱼;deer→deer鹿;
3. 不规则变化:child→children孩子;mouse→mice老鼠;German→Germans 德国人;
4.某国人的复数有三种类型:
口诀:中日不变,英法变,其它在后加s
(1)Chinese, Japanese单数复数同形,不需加s;
(2)Englishman, Frenchman,复数要把man 变为men;
(3)其他各国人直接加s。
如:Americans, Australian
名词变复数练习题
一、写出下列名词的复数形式
1、orange
2、class
3、text
4、monkey
5、piano
6、child
7、shelf 8、bed
9、country 10、family
11、toy 12、foot
13、Japanese 14、radio
15、photo 16、sheep
17、tomato 18、fox
19、woman 20、knife
二、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. women teacher
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 _______.
…pencil-boxes …pencils-box
…pencil-box …pencils-boxes
7. ______ like ______ by air.
A. Greens, travelling
B. The Green, traveling
C. The Greens, travel
D. The Greens, traveling
8..How many_____do they have
picture
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
三、把1—10句变为复数句
1. This is my friend.
2. This is a bike. is her brother. is a book.
is an eraser.
is a red orange. is a teacher. 8. What’s this is my mother.
is a Chinese boy.。