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1、名词单数变复数,Whats this in English?,Its an apple.,What are these?,They are two apples.,-What are these?,-Whats this?,-Its a pen.,-They are pens.,-What are those?,-Whats that?,-Its an English book.,-They are English books.,watches,oranges,pens,-Whatre these ?-Theyre .,单数,复数,可数名词,如何变化?,规则变化,名词,一名词分可数名词和不可数
2、名词 1. 可数名词个体名词都是可数名词。每个可数名词都有其单数和复数形式。 A. 单数:表示“一个”的概念。用名词的单数时,名词前需加 a 或 an。如:a book(一本书), an apple(一个苹果), an orange(一个橘子)B. 复数:表示两个或两个以上的物体。 如:two pencils(两枝铅笔), three weeks(三周)等。,1.一般情况下,直接在词尾加-s构成复数形式。,如:book-books,bag-bags, cat-cats, bed-beds,name,pen,card,ruler,names,pens,cards,rulers,box,2. 以s
3、, x, ch, sh等结尾的名词, 在词尾加-es构成复数形式。,boxes,class,classes,watch,watches,brush,brushes,2.,bus,buses,foxes,dishes,peach,peaches,sandwich,sandwiches,3. 以“辅音字母+y”结尾的名词,应改y为i,再加-es。,family,families,babies,baby,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,parties,5. 以f或
4、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,leaves,6. 以o结尾的名词,有的加-s, 有的加-es构成复数形式。,photo,photos,tomatoes,zoos,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: potato, tomato,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
5、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 .,7不规则名词复数:男人女人 a 变 e,鹅足牙 oo 变 ee;man-men, woman-women, goose-geese,foot-feet, tooth-teeth,老鼠虱子也好记,ous 变 ic mouse-mice,louse-lice孩子加上 ren,鱼鹿绵羊人不变child-children, fish, deer,sheep,people,不可数名词: 有些词在汉语中可数,在英语中却不可数。如:bread(面包)等。 此类不可数名词要表示“一”这
6、个概念时,需用其它方式表达,数词+量词+OF+名词。如: a piece of bread 等。注意事项: 不可数名词总是用单数的形式。 不可数名词一般没有复数形式。 不可数名词前,不要加数字。,既可数又不可数的名词: 可数名词与不可数名词在一定条件下可以转换。很多表示蔬菜、动物等的名词,一般来说是可数的,但是表示餐桌上的食品时,就转换成不可数名词。如:(1)a chicken 一只鸡 chicken 鸡肉 (2)an ice cream 一个冰激凌 ice cream 冰激凌(指成份) (3)a salad 一碟沙拉 salad 沙拉(指成份),让我们记住以下不可数名词。液体类:milk,j
7、uice ,water, tea,Coke,coffee,honey,soup,肉类:meat,pork,beef,chicken,mutton,fish,Food:bread,cheese,rice,其他:money, yuan, jiao, fen,hair,grass,paper,glass,,this that I you he / she / it am / is ,these,those,we,you,they,are,单数 复数,句子单数变复数This is a book. That is an eraser.It is a red apple. I am a boy.He /
8、She is a teacher.Whats this ?,These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these ?,复数句子变单数句子 These are flowers.单数一般疑问句,并作肯定回答:划线提问:,: This is a flower.,Are these flowers ? Yes, they are.,What are these ?,写出下列各词的复数 I _ him _ this _ her _ watch _ child _ d
9、ay _ foot _ book _ dress _,we,them,these,them,watches,children,days,feet,books,dresses,给下列可数名词加复数,bird- card- lady- orange- ruler- friend- boy- watch- girl- cat- tree- bed- family- leaf- party- cup-,birds,ladies,oranges,rulers,cats,boys,girls,watches,trees,beds,friends,families,cards,leaves,parties,cups,写出下列各词的复数 tooth _ sheep _ box _ strawberry _ you _ peach _sandwich _ man _ woman _ paper _ juice _ water _ milk _ rice _ tea _,teeth,sheep,boxes,strawberries,you,peaches,sandwiches,men,women,paper,juice,water,milk,rice,tea,