七年级英语语法：可数名词和不可数名词

1、1、一般情况下，加 s ; 读音规则：清读 /s/ ,浊、元/z/ eg：bookbooks;deskdesks;penpens;carcars s遇 t 读ts，遇 d 读dz eg：friendfriends; catcats; 以 s、x、ch、sh结尾的名词，加 -es; 读音规则：读 iz; eg：busbuses; boxboxes; watchwatches; dishdishes 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; babybabies; 注意：元音字母加 y 结尾的单词直接加 s; eg：

2、toytoys;boyboys; 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：knifeknives;leafleaves; 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：tomatotomatoes 西红柿 ; potatopotatoes 土豆; heroheroes英雄; NegroNegroes 其余 eg：zoozoos; photophotos; 可数名词变复数不规则变化：s s; 1.单词内部发生变化：口诀 :oo

3、 常常变 ee，男人女人 a变 e s s; eg：footfeet 脚;toothteeth 牙齿;manmen 男人;womanwomen 女人; 2.单复数相同：羊鱼小鹿无变化，单数复数是一家eg：sheepsheep绵羊;fishfish 鱼;deerdeer 鹿; 不规则变化： childchildren 孩子;mousemice 老鼠;GermanGermans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Chinese, Japanese单数复数同形，不需加Englishman, Frenchman,复数要把 man 变为 men; 其他各国人直接加 s。如

4、：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

5、 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.

6、Most of _ live in _. A. Germans, German B. German, Germen C. Germen, Germany D. Germans, Germany 6. There are some _ in these _. A.knifespencil-boxes B.knivespencils-box C.knivespencil-box D.knivespencils-boxes 7. _ like _ by air. A. Greens, travelling B. The Green, traveling C. The Greens, travel D

7、. 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. Foxswolfs B. Foxeswolfs C. Foxeswolves 12. These are t

8、he _ 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 110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