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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.,名词,一名词分可数名词和不可数名词 1.可数名词个体名词都是可数名词。每个可数
2、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,x,ch,sh等结尾的名词，在词尾加-es构成复数形式。,boxes
3、,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
4、,leaves,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.,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
5、名词要表示“一”这个概念时,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。,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/She is a teacher.Whats this?,These are books.Those are eras
6、ers.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 _ day _ foot _ book _ dress _,we,them,these,them,watches,children,day
7、s,feet,books,dresses,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,二、用所给的单词的复数的正确形式填空：1.There are three_(chair)in the class
8、room.2.These_(tomato)are red.3.My brother looks after two_(baby)4.My father likes to eat_(potato).5.Chinese_(people)like to eat noodles.,chairs,tomatoes,babies,potatoes,people,6.I have a lot of _(toy)in my bedroom.7.My mother wash_(dish)in the kitchen.8.I have two_(pencil-box).9.There are some_(bus)
9、in the street.10.Monster has eight_(foot).,toys,dishes,Pencil-boxes,buses,feet,三、选择填空()1I can see three _ in the zoo.A monkeies B monkeys C monkey()2.The pig has four _.A.foot B.feet C.foots()3.I can see ten _ in the picture.A.sheep B.dog C.pig()4.The _ has three_.boys,watches B.boy,watch C.boy,watc
10、hes()5.Can you see _on the plate?A.bread B.breads C.breades,B,B,A,C,A,()6.Mr Black often drink some _.A.milk B.milks C.milkes()7.There are some _on the floor.A.child B.man C.books()8.Lucy will have some _.A.photo B.photos C.photoes()9.I need a pen and some _.A.books B.desk C.chair()10.There is some _ in the river.A.fish B.fishes C.fishs,A,C,C,A,A,
