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七年级英语语法:可数名词和不可数名词

  名词的应用是英语语法的重要知识点,学习好英语的基础就是对语法的掌握,下面是小编给大家带来的七年级英语语法:可数名词和不可数名词,希望能够帮助到大家!

  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;

  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

  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;

  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;

  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;

  不规则变化:child→children孩子;mouse→mice老鼠;German→Germans德国人;

  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

  Chinese, Japanese单数复数同形,不需加s;

  Englishman, Frenchman,复数要把man 变为men;

  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 _______.

  A.knifes…pencil-boxes B.knives…pencils-box

  C.knives…pencil-box D.knives…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??

  A.picture B.pictures C.a 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.

  3.That is her brother.

  4.This is a book.

  5.That is an eraser.

  6.It is a red orange.

  7.He is a teacher.

  8. What’s this?

  9.This is my mother.

  10.He is a Chinese boy.

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