新人教版英语七年级上册Unit 6 Do you like bananas.Section A Grammar focus 3a-3c课件（市优）.ppt

1、,可数不可数名词,可数名词(1)定义:是可以计数的名词(2)可数名词前可以用a, an限定,表示一个(3)可数名词前可以用one, two, three限定。(4)可数名词有复数形式。,. 可数名词和不可数名词,.Grammar,a/an: 不定冠词+可数名词单数 例如: a pear a bottle an apple a bottle of water a cup of teasome: 形容词+1。可数名词复数 2。不可数名词 例如: some pears some apples some water some tea,Whats this in English?,Its an appl

2、e.,What are these?,They are two apples.,backpacks,watches,oranges,pens,-Whatre these ?-Theyre .,maps,cases,keys,-Whatre those ?-Theyre .,单数,复数,可数名词,如何变化？,规则变化,名词单数变复数,1.一般情况下，直接在词尾加-s构成复数形式。,car,backpack,cars,backpacks,book,books,1.,name,pen,card,ruler,names,pens,cards,rulers,box,2. 以s, x, ch, sh等结尾

3、的名词， 在词尾加-es构成复数形式。,boxes,class,classes,watch,watches,brush,brushes,2.,bus,buses,foxes,dishes,3. 以“辅音字母+y”结尾的名词，应改y为i，再加-es。,family,families,comedies,3.,4. 以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式 。,boy,boys,day,days,4.,key,cities,strawberries,keys,5. 以f或fe结尾的名词，先将f或fe变成v，再加-es构成复数形式。,knife,knives,half,halves,

4、“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。,5.,wives,leaves,wolves,roofs,roof,“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。,巧记：,6. 以o结尾的名词，有的加-s, 有的加-es构成复数形式。,photo,photos,heroes,tomatoes,zoos,6.,以o结尾的名词,表示无生命事物的名词，词尾加-s,表示有生命事物的名词，词尾加-es。,加-es的名词有: p

5、otato, tomato, hero,巧记:英雄爱吃 土豆炖西红柿。,Sum up:,1.一般情况下,直接在名词词尾加-s.,2.以s,x,sh,ch结尾的名词,在词尾加-es.,3.以辅音字母加y结尾的名词，要变y为i再加-es.,5.以f或 fe结尾的名词，先将f或 fe变为v,再加-es.,6.以o结尾的名词,表示无生命事物的名词加-s, 表示有生命事物的名词加-es。,4.以“元音字母+y”结尾的名词，直接在词尾加-s .,少数名词的复数形式是不规则变化,a man,two men,a child,two children,a sheep,two sheep,four people,

6、（6）.不规则变化：例如：manmen男人 woman-women女人（例外：German-Germans德国人） tooth-teeth牙齿 foot-feet脚mouse-mice老鼠child-children孩子单复数同行deer-deer鹿 sheep-sheep羊 people-people人ChineseChinese 中国人/汉语 JapaneseJapanese日语/日本人,给下列可数名词加复数,bird- card- lady- orange- ruler- photo- friend- boy- watch- girl- case- cat- wife- tree- ke

7、y- bed- hero- family- dictionary- question- leaf- party- cup-,birds,ladies,oranges,rulers,cats,boys,girls,cases,wives,watches,trees,keys,questions,beds,heroes,friends,families,dictionaries,photos,cards,leaves,parties,cups,this that I you he / she / it am / is ,these,those,we,you,they,are,单数 复数,句子单数变

8、复数This is a book. That is an eraser.It is a red apple. I am a boy.He / She is a teacher.Whats this ?,These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these ?,不可数名词(1)定义:是指不能计数的名词。(2)不可数名词前不可以用a , an限定。(3)不可数名词前不可以用one, two, three 限定。(4)不可数名词没有复数形式。,不可数名词,1)

9、物质类不可数名词：,液体类不可数名词：tea茶, ink墨水, juice汁, coffee咖啡 water水,B.食品类不可数名词：（肉类chicken鸡肉 fish鱼肉, chocolate巧克力, honey蜂蜜 rice米饭,2) 抽象名词：,work工作, wealth财富, homework作业 money钱 health健康 love爱情 爱心,.不可数名词量的表达,1、some +不可数名词。表示量的多少。 例如：some tea,some bread,some meat2。用数量词+of+不可数名词，表示具体的量。常用的词有a cup of tea一杯 two cups of

10、 tea两杯a glass of orange, 一玻璃杯 two glasses of orange, 两玻璃杯a bottle of water,一瓶 two bottles of water,两瓶a piece of chicken一张 、一块、 two pieces of chicken两张 、两块、a pair of shoes一双、一对、一条 two pairs of shoes两双、两对、两条以上这些计量词组可以用来修饰不可数名词,a glass of orange juice,a cup of tea,water,some fish,some beef,1.不可数名词没有复数形

11、式,rice(不能说rices),bread(不能说breads),2.不可数名词前面一般不直接加a或an，但可用不同的量词来搭配,a box of milk(不能说a milk),a bottle of water(不能说a water),3.some,any可以与不可数名词连用,some teasome bread,4.不可数名词只作单数看待,1)Some chicken is in the bowl.,2)A: Whats on the plate? B: Theres some chicken.,这些不可数名词你都记住了吗？,4.名词的单复数与主谓一致,普通名词分为可数名词和不可数名词

12、，而可数名词和又有单复数之分。名词的数与主语有什么关系呢？,A: Whats this?B: Its an egg.,A: What are those in the basket?B: They are grapes.,A: Guess whats in the glass?B: There is some coke.,Oh,我明白了，谓语是随名词数的变化而变化，名词的数与谓语保持一致，即主谓一致。,1)当名词是单数时，谓语用单数形式。An eraser is in the pencilcase.,2)当名词是复数时，谓语用复数形式。 Two apples are on the desk.,

13、3)不可数名词当作单数对待。谓语用单数形式。 is on the table.,some beef,d.（注意）不可数名词充当句子的主语时，谓语动词要用单数形式。：chicken _ (be) very delicious. fish_ (be) tasty.: These apples_ mine. Those books _ good.,is,is,are,are,chicken 小鸡 / 鸡肉room 房间 / 空间；位置work 作品/ 工作 paper 报纸/ 纸 time 次；倍 / 时间 fish 鱼 / 鱼肉 fruit (各种)水果 / 水果ice cream 冰淇淋/ 冰淇

14、淋(指成份)salad 沙拉 /沙拉(指成份)orange 橘子/橘子汁,既可作可数又可作不可数的名词：,11. orange(复数) 12. banana(复数)13. photo(复数)14. family(复数)15. bus(复数)16. watch(复数)17. woman(复数)18. child(复数),oranges,bananas,photos,families,buses,watches,women,children,. Translate the phrases.1.一个鸡蛋 2. 一些水果 3. 三个胡萝卜 4. an apple 5. some vegetables

15、6. ice cream,an egg,some fruits,three carrots,一个苹果,一些蔬菜,冰激凌,.Exercise,1.Id like a water. A B C D2.I can see three glass of milk on the table. A B C D3.There are some orange for us. A B C D4.Would you like some cake and a cup orange. A B C D 5.Please give him some meats. A B C D,【全册教案、课件、素材、试题、教学计划等欢

16、迎到163文库下载全套资料！】,请到百度搜索“163文库”，到网站下载！或直接访问：,【163文库】：1，上传资料赚钱；2，便宜下载精品资料的好地方！,. Rewrite the words. 1. tomato (复数) 2. fry (复数)3. strawberry (复数) 4. too (同音词) 5. have(单三) 6. she (复数) 7. boring (反义词) 8. no (同音词)9. you (形容词性物主代词)10. this (复数),tomatoes,fries,strawberries,two/to,has,they,interesting /fun,know,your,these,Thank you!,