可数名词,不可数名词,练习题 ,七年级

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：bookbooks；deskdesks；penpens；carcars s遇t读ts，遇d读dz eg：friendfriends; catcats; 2. 、以s、x、ch、sh结尾的名词，加-es；读音规则：读iz； eg：busbuses; boxboxes; watchwatches; dishdishes 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; babybabies; 注意：元音字母加y结尾的单词直接加s；eg：toytoys；boyboys； 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：knifeknives；leafleaves； 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：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：1. 单词内部发生变化：口诀:oo常常变ee，男人女人a变e 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； 3. 不规则变化：childchildren孩子；mousemice老鼠；GermanGermans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. countrys2. How many _ do you see in the picture?A. tomatos B. tomatoes C. tomato D. the tomato3. They are_.A . woman teachers B. women teachersC. women teacher D. woman teacher4. Would you like _ ,please?A. two glass of water B. two glasses of waterC. two glass of waters D. two glasses of waters5. Most of _ live in _.A. Germans, German B. German, GermenC. Germen, Germany D. Germans, Germany6. There are some _ in these _.A.knifespencil-boxes B.knivespencils-boxC.knivespencil-box D.knivespencils-boxes7. _ like _ by air.A. Greens, travelling B. The Green, travelingC. The Greens, travel D. The Greens, traveling8.How many_do they have?A.picture B.pictures C.a picture9. There is no _ in the plate.A. apples B. oranges C. rice D. eggs10. _ are good for our health.A. Tomatos B. Tomatoes C. Tomato 11. _ and _ are not friends.A. Foxswolfs B. Foxeswolfs C. Foxeswolves12. These are the _ of our national _.A. photos heroes B. photoes heroes C. photos heros13. The _ are running on the _.A. deer grasses B. deers grass C. deer grass14. 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 bo