可数名词与不可数名词.ppt

1、七年级英语复习名词的数,可数名词与不可数名词,可数名词与不可数名词,英语中名词分为 和 。 可数名词是可以用来计数的名词。可数名词有单数和复数形式。,可数名词,不可数名词,不可数名词是不可以直接用来计数的名词。不可数名一般没有复数形式，只有单数形式。,如：desk-desks, apple-apples等。,如： some bread， a little milk等,可数名词和不可数名词前都可以用some, any, a lot of, lots of 等来修饰，表示“一些，许多”。 如：,There are some oranges on the desk. 桌子上有一些桔子。 There

2、is a lot of water in the bottle. 瓶里有许多水。,相似之处,试试实力,写出下列可数名词的复数形式,apple bus boy box family city tomato zoo leaf,apples,buses,boys,boxs,familys,citiys,tomatos,zoos,leafs,boxes,families,cities,tomatoes,leaves,一.可数名词,帮你归纳,规则变化,一般情况,以s , x , sh , ch 结尾,以辅音字母+y 结尾,注：以元音字母+y 结尾，属一般情况,以辅音字母+o结尾,注：其他以+o结尾,一些

3、以f或fe结尾的单词,加-s,加-s,加-ies,加-s,加-es,加-s,变f、fe为 -ves,books ,maps ,workers, mouths,bus-buses , box-boxes , brush-brushes , match-matches,baby-babies city-cities library-libraries,boy-boys key-keys , monkey-monkeys,tomato-tomatoes , potato-potatoes,photo-photos , zoo-zoos,wolf-wolves leaf-leaves knife-kn

4、ives,不规则变化,帮你归纳,改变元音字母,直接加-s,man-men , woman-women , foot-feet , tooth-teeth,German - Germans,American- Americans,单复数同形,people-people , sheep-sheep , Chinese-Chinese,child-children,词尾变化,通常为复数形式,clothes , trousers , glasses(眼镜)，shoes,1. boy 2. people 3. leaf_ 4. zoo 5. tomato _6. foot _ 7. eye _. dre

5、ss_ .wife_ 9. match _ 10. library _ 12. family _ 13. wish_ 14. photo _ 15.German_ 17. Chinese _ 18. day _ 19. dictionary _ 20. kilo _,快速练兵,写出下列名词的复数形式,boys,people,leaves,zoos,tomatoes,feet,dresses,libraries,matches,wishes,eyes,families,wives,photos,Germans,Chinese,days,dictionaries,kilos,1.单数可数名词前可用

6、不定冠词a/an 来修饰。表示特指时，前面一定要用定冠词the （表示1个事物）,an apple， an orange ， a bag ， a desk， a man an uncle a university,注：当名词以元音字母开头并且是元音音素 时，用“an”否则用“a”.,知识拓展,_,_,_,2.复数可数名词前可用具体的数词来表示具体的数量。 如：two apples, four books等,知识拓展,Tom has got five oranges.,Tom 有五个橘子。,There are forty-three students in our classroom.,我们教室

7、有43个学生。,二.不可数名词,肉类、饮料、纸张,面包等一般是不可数的，通常只有单数形式。,想一想,我们能讲 a meat, two milks, five waters吗？,想一想： 我们还学过哪些表示单位的词？,不可数名词前不能用不定冠词a /an, 数词及many来修饰。可用any,some,a lot of,lots of等来修饰。,答疑解惑,不可数名词前通常用“单位词+of”来表示数量。如： a piece of paper 一张纸 three pieces of bread 三片面包,杯 瓶 袋 盒/箱 张/片 双/对,cup,bottle,bag,box,piece,pair,一

8、杯 二瓶 三袋 四盒/箱 五张/片 六双/对,a cup of,two bottles of,three bags of,four boxes of,five pieces of,six pairs of,这些表示量的名词一般是可数的，有复数形式。,知识拓展,难题解决,1两杯牛奶 _ 2. 五袋米 _ 3. 六双软运动鞋 _ 4. 四张纸 _ 5. 七杯茶 _ 6. 三盒巧克力 _ 7. 一个苹果 _ 八个图书馆 _ 十本字典 _ 九辆公共汽车_,翻译下列词组,two cups of milk,five bags of rice,six pares of trainers,four piece

9、s of paper,seven cups of tea,three boxes of chocolate,an apple,eight libraries,ten dictionaries,nine buses,临阵磨枪,翻译下列句子,1. 桌子上有一瓶牛奶。,There is a bottle of milk on the table.,2. 他们有四箱果汁。,They have got four boxes of juice.,3. 房间里有六袋大米。,There are six bags of rice in the room.,可数名词作主语时，谓语动词的单复数与主语的单复数保持一致

10、。 如：This picture is very beautiful. 这幅画很美。,不可数名词作主语时，谓语动词要用单数形式，但是不可数名词前有复数“单位词”时，谓语动词要用复数形式。 如：There are two cups of tea on the table. 桌上有两杯茶。,统一战线,1. Lucy and Lily is in Class Two. _ A B C D 2. Those is their knives. _ A B C D 3. The children is in Grade Two. _ A B C D 4. There is three boys in th

11、e classroom. _ A B C D 5. What Class is the boys in? _ _ A B C D,找出下面每个英文句子中的一个错误，并改正。,练一练,B are,B are,B are,A are,B are,6. How many people is there in your family? _ A B C D 7. Is these your books? Yes, they are. _ A B C D 8. Is there any books on the desk? Yes, there are. _ A B C D 9. There is six

12、 of glasses of orange in the basket. _ A B C D 10. How many desk can you see here? _ A B C D,练一练,C are there,A Are,A Are,A There are,B desks,用所给名词的适当形式填空: Look! There are a lot of _(leaf) on the ground. There are five _(people) in the room. I have got two _(glass) of _ (milk). There are 47 _ (desk) in our classroom. A horse has four _ (foot).,leaves,people,glasses,milk,desks,feet,实战练习,6.There are some _ (dumpling) on the plate. 7.He has got two _(box) of _. (apple),dumplings,boxes,apples,8. Those _ (child) can play football. 9. There