英语名词的单复数形式ppt课件

1、1,词性分类,7.12,2,名词,noun,n,Countable C,Uncountable U,the Earth、China、the Great Wall,3,可数名词,复数形式变化,一般情况下,在词尾直接加s,bookbooks capcaps treetrees dogdogs,以-s、-x、-ch、-sh结尾的名词,在词尾加-es,glass- bus- box- watch- brush,glasses,buses,boxes,watches,burshes,stomach-stomachs,1.规则变化,4,部分以-f、-fe结尾的名词,把-f或-fe改为-v再加-es,sel

2、f-selves thief-thieves knife-knives shelf-shelves leaf-leaves life-lives wife-wives half-halves wolf-wolves,妻见小偷架下藏 手拿小刀想杀狼 谁知落下半片叶 砸在头上一命亡,roof-roofs belief-beliefs proof-proofs,证据,有些只能加-s，如,以辅音字母加-y结尾的名词,把-y改为-i再加-es,baby- story- country- party,babies,stories,countries,parties,以元音字母加-y结尾的单词直接加-s,b

3、oy-boys day-days,a、e、i、o、u,5,以辅音字母加-o结尾的名词,词尾加-es,potato-potatoes hero-heroes tomato-tomatoes Negro-Negroes,黑人,Negroes and heroes like to eat potatoes and tomatoes,photo、piano、radio、zoo只加-s要记住,2.不规则变化,元音字母发生变化,改-a为-e,改-oo为-ee,man-men woman-women policeman-policemen spaceman-spacemen,foot-feet tooth-

4、teeth goose-geese,6,单复数同形,sheep-sheep deer-deer fish-fish people-people,注意：fish表示“鱼肉”是不可数名词 表示“鱼的多少”时，是可数名词，但单数和复数同形 如：There are many fish in the river. 强调“鱼的种类”时，复数是fishes 如：There are many kinds of fishes in the river,有些名词常以复数形式出现,trousers、socks、gloves、shoes,注意：要表达它们的量，常借助pair一词 如：a pair of trouser

5、s一条裤子 two pairs of gloves 两副手套,7,表示“某国人,单复数同形,词尾加-s,变man为men,a Chinese-two Chinese a Japanese-two Japanese,German-Germans American-Americans,Englishman-Englishmen Frenchman-Frenchmen,其他形式,child-children mouse-mice,the+姓氏复数”表示“一家人或夫妇二人” 例如：the Greens 格林一家格林夫妇 the Blacks 布莱克一家布莱克夫妇 名词作定语时，不用复数形式 例如：a

6、shoe shop 一家鞋店 an apple tree 一棵苹果树 apple treeses 苹果树 man,woman作定语时，如果后面的名词是复数，则man、woman 也要跟着变 成复数 如：a woman teacher-two women teathers,8,不可数名词,可以修饰不可数名词的词或短语 a lot oflots of,some,much,a little,little,plenty of,a bit of,a large amount of,数词+容器+of+不可数名词 a glass of water-two glasses of water,常用的不可数名词

7、food,meat,fish,chicken,pork,beef,orange,milk,tea,water,bread,homework,news,paper,rain,snow,air,maths,Chinese,work,fun,imformation,advice,既能做可数名词，又能做不可数名词,9,1.-How many do you want? -A kilo，please. A.potato B.bread C.bananas D.milk,2.-Would you like something to drink? -Yes, ,please. A.two cup of coffee B.two pieces of bread C.two cups of coffee C.two hamburgers,3.-Womens Day is coming.Ill do something for my teachers.Can you give me ? -Ok.No problem!You can buy some flowers for . A