三年级英语知识总结名词的单复数

一、名词可以分为：1.

可数名词。有单复数。cat-cats,boy-boys2.

不可数名词。没有单复数，一律看作单数。3.a/an的用法以元音音标〔或音素〕开头的用an。例：anapple,anorange,anelephant以辅音音标〔或音素〕开头的用a。例：adog,aboy,abook

注意：我们看的是音标〔或音素〕，而不是元音字母。练习：选择a或an或不填〔用/表示〕

______pen

______bag

______apple

______bigapple

______

banana

______orange

______oranges

______orangepen

答案：a,a,an,a,a,an,/,an二、重点：可数名词的变化规则：s。如：books，bags，fruits。s、x、ch、sh结尾的名词加es。如：class----classes,box----boxesy结尾的名词，变y为i再加es，读[iz]。如：baby——babiesf、fe结尾的名词变f、fe为ves。如：wolf

狼——wolves

wife〔妻子〕—wiveso结尾的名词，有生命的加es,

没生命的加s。如：有生命tomato-tomatoes,potato-potatoes,hero-heros,mango-mangoes无生命photo-photoszoo-zoos6.

名词复数的不规则变化：

man—men男人woman—women女人tooth—teeth牙齿foot—feet

脚mouse—mice

老鼠child—children孩子7.

单复同形的名词有：

chinese

中国人Japanese

日本人sheep

绵羊deer

鹿fish

鱼people人注意：fish①当一条鱼讲时，单复数同形，如threefish.②强调鱼的种类时，要加es如：allkindsoffishes

各种各样的鱼③当鱼肉讲时，不可数。8.不可数名词，没有单复数water(水)milk(牛奶)tea(茶)rice(米饭)orange〔橙汁〕juice〔果汁〕bread〔面包〕hair〔头发〕一、写出以下名词的复数形式1、orange______2、class______3、monkey______4、piano______5、child______6、shelf______7、bed______8、country______9、family______10、toy______11、foot______12、radio______13、photo______14、tomato______15、woman______16、knife______17、sheep______18、ship______19、dish______20、mouse______21、tooth______22、leaf______二、单项选择

(

)1.The______inouryardareverybeautiful.

A.clothB.water(

)2.TomisoneoftheChinese_____inourschool.

A.boyB.boysC.boies(

)3.Acathasfour____,doesn'tit

A.footsB.feetC.feets(

)4.Therearethree____andfive_____intheroom.

A.American,JapaneseB.Americans,JapaneseC.American,Japaneses(

)5.Canyouseenine____inthepicture

A.fishB.bookC.horse(

)6.The_____hastwo______.

A.boy;watchB.boy;watchesC.boys;watch(

)8.Thegirlbrushesher_____everydaybeforehegoestobed.

A.toothsB.teethC.teeths(

)9.Isawmany_____inthestreet.A.peoples

B.people

C.people’s(

)10.Thegreensweaterishis_________.A.brother

B.brothers

C.brother’s(

)11.Theycomefromdifferent______(

)12.Howmany______doyouseeinthepictureA.tomatos

B.tomatoes

C.tomato

D.thetomato(

)13.Theyare______.A.womanteachersB.womenteachers

C.womenteacherD.womanteacher(

)14.Wouldyoulike_______,pleaseA.twoglassofwater

B.twoglassesofwater

C.twoglassofwaters

D.twoglassesofwaters(

)15.Mostof______livein_______.A.Germans,German

B.German,Germen

C.Germen,Germany

D.Germans,Germany(

)16.Herearesome______inthese_______.A.knifes

pencil-boxes

B.knives

pencils-boxC.knives

pencil-box

D.knives

pencils-boxes(

)17.______like______byair.A.Greens,traveling

B.TheGreen,traveling

C.TheGreens,travel

D.TheGreens,travelling(

)18.Iwonderwhy______areinterestedinactionfilms(武打片).A.thepeople

B.people

C.peoples

D.thepeoples(

)19.Thereisno______intheplate.A.apples

B.oranges

C.rice

D.eggs(

)20.Myunclehasthree_______.三、填入所给名词的正确形式1.Ihavetwo_______(knife)2.Therearemany_______here.(box)3.Therearemany_______ontheroad.(bus)4.Afew_______aredrawingonthewall.(boy)5.The_______areplayingfootballnow.(child)6.Pleasetaketwo_______forme.(photo)7.Ilikethered_______.(tomato)8.Wouldyoupleasecleanyour_______now(tooth)9.Doyouwantsome_______(milk)10.Thereareten______________inourschool.(womanteacher)参考答案：温馨提示：以下内容为本公众平台教师在业余时间人工整理，如发现有错误，欢送大家留言指正。一、1.oranges

2.classes3.monkeys

4.pianos5.children

6.shelves7.beds

8.countries9.families

10.toys11.feet

12.radios13.photos

14.tomatoes15.women

16.knives17.sheep

18.ships19.dishes

20.mice21.teeth

22.leaves二、1.C

2.B

3.B

4.B

5.A

6.B

7.C