法则 规律 例子
1 一般情况下在名词后面直接+s,s在浊辅音后面读[z],在清辅音后面读[s]。 book—books dog—dogs day—days tree— trees
2 以s、z、ch、sh等结尾的单词+es,读[iz]。 class-classes watch-watches box- boxes brush-brushes
3 以o结尾的词有生命的+es,读[z]。 口诀:黑人请英雄吃土豆、番茄和芒果;无生命的+s,读[z]。 有生命:negro-negroes 黑人 ( http: / / www.21cnjy.com );hero-heroes英雄;potato-potatoes 土豆; tomato-tomatoes 西红柿;mango-mangoes 芒果 无生命:photo-photos 相片;piano-pianos钢琴; radio-radios;zoo-zoos 动物园
4 以f、fe结尾的名词,变f、fe为v+es ( http: / / www.21cnjy.com ),读[iz]。 口诀:妻子持刀去宰狼,小偷吓得发了慌,躲在架后保己命,半片树叶遮目光。个别以f结尾的名词,直接加s,读[s]。口诀:海岸边,屋顶上,首领农奴两相望,谁说他们没信仰,证据写在手帕上。 wife-wives(妻子 ( http: / / www.21cnjy.com )); knife ( http: / / www.21cnjy.com )-knives(小刀); wolf-wolves(狼); thief-thieves(小偷); shelf-shelves (架子);life-lives(生命、生活);leaf-leaves(树叶)。 gulf-gulfs (海岸);roof (屋顶); chief (首领);serf (农奴); belief (信仰);handkerchief (手帕)
5 以y 结尾的,如果y前面是辅音,把y 改为i,再加-es,读[iz];如果y前面是元音,直接加s,读[z]。 辅音加y: story-stories city-cities family - families baby - babies 元音加y:boy -boys toy- toys key- keys
6 有些名词有不规则的复数形式 man-men woman-wo ( http: / / www.21cnjy.com )men tooth-teeth(牙齿) foot-feet policeman-policemen mouse—mice 老鼠 child—children ox—oxen 公牛
7 有些名词的单复数形式相同 deer- deer 鹿 sheep -sheep 绵羊fish-fish 鱼 Chinese-Chinese
8 有些学科名词虽以s 结尾,但通常都做单数名词看待 physics 物理 maths 数学 politics 政治 news 新闻
9 有些单数形式的名词具有复数的含义,要当作复数看待 people 人们 police ( http: / / www.21cnjy.com ) 警察 public 公众The public is the best judge.=The public are the best judges. 公众是最好的评判者。
“S法则”:可数名词变复数的变化规则
名词由单数变成复数的练习
写出下列名词复数
leaf________ pup ( http: / / www.21cnjy.com )py_________ box_________ knife_________ fly________ fox________ bus________ bench_________ brush_______ kiss________ church________ dish_______ ruler________ peach________ glass_______ pencil__________ boy________ zoo________ man________ roof_________ sheep________ knife________ lady________ key________ story________ watch________ bamboo________ city________ family________ day_______ apple_________ eraser________ speech________ thief________ mouse________ fish_______ goose______ people ________ ox_______ Chinese _________ deer _________ foot________ child_______ tooth_______ guy________ hero_______ spy_______ boss_______ monkey________ city ________ goat ________ radio _________ horse ________ dog ________
用所给的单词的复数的正确形式填空:
1>There are so many__________(wolf)in the forest.
2>There are three ________(chair) in the classroom.
3>These _________(tomato) are red.
4>________(hero) are great.
5>My brother looks after two ________(baby)
6>There are some ________(deer) eating the grass.
7>My father likes to eat _______(potato).
8>Chinese ________(people)like to eat noodles.
9>I have a lot of ________(toy) in my bedroom.
10>I help my mother wash ________(dish) in the kitchen.
11>I have two ________(pencil-box).
12>There are some ________(bus)in the street.
13>Peter has eight _______(foot).
14>Linda has three _________(tooth).
15>There are some __________(child) in the garden.
16>Michael likes the __________(mouse).
17>There are some __________(goose)in the river.
18>My uncle and father are _______(man).
19>Tom and King are _______(boy).
20>Linda has three ________(tooth).
选出正确形式
1.I can see three ________ in the zoo. A monkeys B monkeys C monkey
2.The pig has ( http: / / www.21cnjy.com ) four ______. A. foot B. feet C. foots
3.My two brothers are both ______. A. policeman B. policemans C. policemen
4.There are four ___________ in the class. A. Japanese B. Japaneses C. Japan
5.I can see ten _____ in the picture. A. sheep B. dog C. pig
6.The _____ has three______. A. boys, watches B. boy, watch C. boy, watches
7.C an you see _______on the plate A. bread B. breads C. breades
8.The girl o ( http: / / www.21cnjy.com )ften brushes her_____ before she goes to bed. A. tooth B. tooths C. teeth
9.Mr Black often drink some _________. A. milk B. milks C.milkes
10.There are some _ ( http: / / www.21cnjy.com )____ on the floor. A. child B. water C. books
11. _______ will learn English. A. Woman B. Women C. Man
12.Lucy will show us some new ____ of hers. A. photo B. photos C. photoes
13. I drank two ______. A. bottles of orange B. bottle of orange C. bottles of oranges
14.The cat eats two ______ last night. A. mouses B. mice C. mouse
15.I need a pen and some _____. A. books B. desk C. chair
16 Jim was late for ( http: / / www.21cnjy.com ) two classes this morning. He said that he forgot both of the ______.
A. rooms number B. Room number C. Room’s number D. Room numbers
17. The newly-built library is a ______ building.
A. five-storey B. five storeys C. five-storey’s D. five storeys’
18. --- Whose umbrella is it --- It’s _______.
A. somebody else’ ( http: / / www.21cnjy.com )s B. Somebody else C. Somebody’s else’s D. Somebody’s else
19. I feel terribly hot, What’s the _____
A. temperature of ro ( http: / / www.21cnjy.com )om B. Room’s temperature C. Room temperature D. Temperature of room’s
20. _______ will m ( http: / / www.21cnjy.com )ake a trip around the world during the coming Christmas.
A. The Evens B. The Evens’ C. The Evenses D. The Evenses’
21.The girl talking to Mary is a friend of ________.
A. Mary’s sister ( http: / / www.21cnjy.com )B. Mary sister’s C. Mary’s sister’s D. sister of Mary’s
22. The woman over there is ______ mother.
A. Julia and S ( http: / / www.21cnjy.com )helley’s B. Julia’s and Shelley’s C. Julia and Shelley D. Julia’s and Shelley
23. He is very tired. He needs ______.
A. a night rest B. a rest night C. a night’s rest D. a rest of night
24. ---Excuse me,where are _______ offices ---Over there.
A. teacher’s B. teachers’ C. the teacher’s D. the teachers’
25. Today is Septem ( http: / / www.21cnjy.com )ber 10th. It’s_____ Day. Let’s go and buy some flowers for our teachers.
A. Teacher B. Teachers’ C. the Teachers’ D. Teacher’s