1、整理ppt1名词名词单数单数变变复数复数整理ppt2Whats this in English?Its an apple.What are these?They are two apples.整理ppt3-What are these?-Whats this?-Its a pen.-They are pens.整理ppt4-What are those?-Whats that?-Its an English book.-They are English books.整理ppt5watchesorangespens-Whatre these?-Theyre .名词名词一名词分可数名词和不可数名词
2、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。整理ppt71.
3、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。构成复数形式。如:如:book-books,bag-bags,cat-cats,bed-beds整理ppt8namepencardrulernamespenscardsrulers整理ppt9box2.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.整理ppt10busbusesfoxesfox(狐狸)dish(盘子)dishespeachpeachessandwichsandwi
4、ches整理ppt113.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。familyfamiliesbabiesbabyyylb整理ppt124.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.整理ppt13keycitiesstrawberrieskeyscitystrawberry(草莓)partiesparty整理ppt145.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。knifek
5、nivesleavesleaf(树叶)整理ppt15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,词尾加表示有生命事物的名词,词尾加-es。加-es的名词有:potato,tomato,整理ppt16 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
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。
7、不可数名词一般没有复数形式。不可数名词一般没有复数形式。不可数名词前,不要加数字。不可数名词前,不要加数字。整理ppt18this that I you he/she/it am/is thesethoseweyoutheyare 单数单数 复数复数整理ppt19句子单数变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.1.Whats this?These are books.Those are erasers.They are red apples.We a
8、re boys.They are teachers.Whatre these?整理ppt20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 _ wethemtheseth
9、emwatcheschildrendaysfeetbooksdressesv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 _ man _ woman _ paper _ juice _ water _ milk _ rice _ tea _teethsheepboxesstrawberriesyoupeachessandwichesmenwomenpaperjuicewatermilkricetea小学英语语法小学英语语法23整理整理ppt二、用所给的单词的复数的正确形式填空:二、用所给的
10、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 father likes to eat_(potato).5.Chinese_(people)like to eat noodles.小学英语语法小学英语语法24整理整理ppt6.I have a lot of _(toy)in my bedroom.7.My mother wash_(dish)in the kitchen.8.I have two_(pen
11、cil-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25整理整理ppt三、选择填空三、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
12、.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26整理整理ppt()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
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