1、名词名词单数单数变变复数复数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.watchesorangespens-Whatre these?-Theyre .名词名词一名词分可数名词和不可数名词一名词分可数名词和不可数名词 1.可数名词可数名词个体名词都
2、是可数名词。每个可数名词都有其单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。数和复数形式。A.单数：表示单数：表示“一个一个”的概念。用名词的单数时，的概念。用名词的单数时，名词前需加名词前需加 a 或或 an。如：如：a book（一本书），（一本书），an apple（一个苹果），（一个苹果），an orange（一个橘子）（一个橘子）B.复数：表示两个或两个以上的物体。复数：表示两个或两个以上的物体。如：如：two pencils（两枝铅笔）（两枝铅笔），three weeks（三周）等。（三周）等。1.一般情况下，直接在词尾加一般情况下，直接在词尾加-s构成复数形式。构成复
3、数形式。如：如：book-books,bag-bags,cat-cats,bed-bedsnamepencardrulernamespenscardsrulersbox2.以以s,x,ch,sh等结尾的名词，等结尾的名词，在词尾加在词尾加-es构成复数形式。构成复数形式。boxesclassclasseswatchwatchesbrushbrushessxshch2.busbusesfoxesfox(狐狸)dish(盘子)dishespeachpeachessandwichsandwiches3.以以“辅音字母辅音字母+y”结尾的名词，结尾的名词，应改应改y为为i，再加，再加-es。famil
4、yfamiliesbabiesbabyyylb4.以以“元音字母元音字母+y”结尾的名词，结尾的名词，直接在词尾加直接在词尾加-s构成复数形式构成复数形式。boyboysdaydaysoayy4.keycitiesstrawberrieskeyscitystrawberry(草莓)partiesparty5.以以f或或fe结尾的名词，先将结尾的名词，先将f或或fe变成变成v，再加，再加-es构成复数形式。构成复数形式。knifeknivesleavesleaf(树叶)以以o结尾的名词结尾的名词,表示无生命事物的名词，词尾加表示无生命事物的名词，词尾加-s,表示有生命事物的名词，词尾加表示有生命
5、事物的名词，词尾加-es。加-es的名词有:potato,tomato,Sum up:1.一般情况下一般情况下,直接在名词词尾加直接在名词词尾加-s.2.以以s,x,sh,ch结尾的名词结尾的名词,在词尾加在词尾加-es.3.以辅音字母加以辅音字母加y结尾的名词，要变结尾的名词，要变y为为i再加再加-es.5.以以f 或或 fe结尾的名词，先将结尾的名词，先将f或或 fe变为变为v,再加再加-es.6.以以o结尾的名词结尾的名词,表示无生命事物的名词加表示无生命事物的名词加-s,表示有生命事物的名词加表示有生命事物的名词加-es。4.以以“元音字母元音字母+y”结尾的名词，直接在词尾加结尾的名
6、词，直接在词尾加-s.有些词在汉语中可数有些词在汉语中可数,在英语中却不可数。在英语中却不可数。如如：bread（面包）等。（面包）等。此类不可数名词要表示此类不可数名词要表示“一一”这个概念时这个概念时,需用其需用其它方式表达它方式表达,数词数词+量词量词+OF+名词。名词。如如:a piece of bread 等。等。注意事项：注意事项：不可数名词总是用不可数名词总是用单数单数的形式的形式。不可数不可数名词一般没有复数形式名词一般没有复数形式。不可数不可数名词前，不要加数字。名词前，不要加数字。this that I you he/she/it am/is thesethoseweyou
7、theyare 单数单数 复数复数句子单数变复数句子单数变复数1.This is a book.2.That is an eraser.3.It is a red apple.4.I am a boy.5.He/She is a teacher.6.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复数句子变单数句子 These are These are flowersflowers.单数单数一般疑问句一般疑问
8、句,并作肯定回答并作肯定回答:划线提问划线提问:This is a flower.Are these flowers?Yes,they are.What are these?v写出下列各词的复数写出下列各词的复数 I _ him _ this _ her _ watch _ child _ day _ foot _ book _ dress _ wethemthesethemwatcheschildrendaysfeetbooksdressesv写出下列各词的复数写出下列各词的复数 tooth _ sheep _ box _ strawberry _ you _ peach _sandwich
9、 _ man _ woman _ paper _ juice _ water _ milk _ rice _ tea _teethsheepboxesstrawberriesyoupeachessandwichesmenwomenpaperjuicewatermilkricetea小学英语语法小学英语语法二、用所给的单词的复数的正确形式填空：二、用所给的单词的复数的正确形式填空：1.There are three_(chair)in the classroom.2.These_(tomato)are red.3.My brother looks after two_(baby)4.My fat
10、her likes to eat_(potato).5.Chinese_(people)like to eat noodles.小学英语语法小学英语语法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)in the street.10.Monster has eight_(foot).小学英语语法小学英语语法三、选择填空三、选择填空()1I can see three _ in the zoo.A
11、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_.A.boys,watches B.boy,watch C.boy,watches()5.Can you see _on the plate?A.bread B.breads C.breades小学英语语法小学英语语法()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
