小学英语-英语名词单复数变化规则-ppt课件.ppt
25页英语名词英语名词单复数单复数变化规则变化规则What’s this ?It’s an apple.What are these?They are two apples.--What are these?--What’s this?--It’s a pen.--They are pens.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 个个体体名名词词都都是是可可数数名名词词每每个个可可数数名名词词都都有有其其单单数和复数形式数和复数形式 A. 单单数数::表表示示“一一个个”的的概概念念用用名名词词的的单单数数时时,,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数形式如:如:book-books, bag-bags, cat-cats, bed-bedswatchesboxesbusesbrushesbox2. 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-esfamilyfamiliesbabiesbabyyylb4. 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)找规律tomatoespotatoesheroesnegroes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, •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-es4.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 .不可数名词:不可数名词: 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 此此类类不不可可数数名名词词要要表表示示“一一”这这个个概概念念时时,需需用用其其它方式表达它方式表达,数词数词+量词量词+OF+名词如如: a piece of bread 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 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this – that –I –you –he / she / it –am / is – thesethoseweyoutheyare 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.What’s this ? These are books.Those are erasers.They are red apples.We are boys.They are teachers.What’re 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 _________ 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 father likes to eat____________ (potato). 5.Chinese________ (people)like to eat noodles. chairstomatoesbabiespotatoespeople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). toysdishesPencil-boxesbusesfeet小学英语语法小学英语语法三、选择填空三、选择填空 ( )1..I 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_____. A.boys, watches B. boy, watch C. boy, watches ( )5. Can you see _______on the plate? A. bread B. breads C. breades BBACA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 ACCAA。

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