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范文一：小学英语单复数
英语单复数
一、名词复数的规则变化
1) 一般情况加s.
eg: map-maps bag-bags car-cars
2) 以s,sh,ch,x 等结尾的词加es.
eg:bus-buses watch-watches
3) 以ce,se,ze,(d)ge等结尾的词加s
eg: license-licenses
4) 以辅音字母+y 结尾的词变y 为i 再加es
eg: baby---babies
二、名词复数的不规则变化
1）child---children foot---feet tooth---teeth
mouse---mice man---men woman---women
注意：与 man 和 woman 构成的合成词，其复数形式也是 -men 和-women 。
2）单复同形
eg: deer，sheep ，fish ，Chinese ，Japanese
li ，jin ，yuan ，two li，three mu，four jin
但除人民币元、角、分外，美元、英镑、法郎等都有复数形式。如: a dollar, two dollars ; a meter, two meters
3）集体名词，以单数形式出现，但实为复数。
eg ： people police cattle 等本身就是复数，不能说 a people，a police，
a cattle，但可以说
a person，a policeman，a head of cattle,the English，the British，the French ，the Chinese，the Japanese，the Swiss 等名词，表示国民总称时，作复数用。
eg ： The Chinese are industries and brave. 中国人民是勤劳勇敢的。
4）以s 结尾，仍为单数的名词，如：
a. maths ，politics ，physics 等学科名词，为不可数名词，是单数。 b. news 是不可数名词。
c. the United States，the United Nations 应视为单数。
The United Nations was organized in 1945. 联合国是1945年组建起来的。
d. 以复数形式出现的书名，剧名，报纸，杂志名，也可视为单数。 "The Arabian Nights" is a very interesting story-book.
<一千零一夜>>是一本非常有趣的故事书。
5) 表示由两部分构成的东西，如：glasses (眼镜) trousers, clothes 若表达具体数目，要借助数量词 pair(对，双); suit(套); a pair of glasses; two pairs of trousers
6）另外还有一些名词，其复数形式有时可表示特别意思，如：goods 货物，waters 水域，fishes （各种）鱼
三、
1）当there be 句型的主语是一系列事物时，谓语应与最邻近的主语保持一致。
There is a pen, a knife and several books on the desk..
There are twenty boy-students and twenty-three girl-students in the class.
2）当either… or… 与neither… nor ， 连接两个主语时，谓语动词与最邻近的主语保持一致。 如果句子是由here, there 引导，而主语又不止一个时，谓语通常也和最邻近的主语一致。
Either you or she is to go.
Here is a pen, a few envelops and some paper for you.
3）当主语后面跟有with, together with, like, except, but, no less than, as well as 等词引起的短语时，谓语动词与前面的主语一致。 The teacher together with some students is visiting the factory. He as well as I wants to go boating.
四、谓语需用单数
1） 代词each 和由every, some, no, any 等构成的复合代词作主语，或主语中含有each, every, 谓语需用单数。
Each of us has a tape-recorder.
There is something wrong with my watch.
2） 当主语是一本书或一条格言时，谓语动词常用单数。 The Arabian Night is a book known to lovers of English.
<天方夜谭>>是英语爱好者熟悉的一本好书。
3） 表示金钱，时间，价格或度量衡的复合名词作主语 时，通常把这些名词看作一个整体，谓语一般用单数。(用复数也可，意思不变。) Three weeks was allowed for making the necessary preparations. Ten yuan is enough.
范文二：小学语法单复数
名词是表示?人、事物和抽象?概念的词。它有可数名?词和不可数?名词之分。可数名词有?单复数之分?。如:a bag,two bags。而不可数名?词,顾名思义,通常没有复?数形式,不能在词尾?加s戒es?变复数。我们学过的?不可数名词?有哪些呢?一起来搜索?一下吧!
有:ice, rain, snow, sun, wind, bread?, meat, juice?, sugar?, food, rice, water?, coffe?e, tea, milk, jam, choco?late, fruit?, paper?, hair 等,这些物质名?词都是不可?数名词。还有像 work (工作), help (帮劣), love (爱), hope (希望), weath?er (天气) 等抽象名词?也是不可数?名词。
在使用不可?数名词时,要注意以下?几点:
1.不可数名词?前面不能直?接加a / an。如:
I like to skate? on an ice.( × )
I like to skate? on?the?ice.?(???)我喜欢在冰?上溜滑。
不可数名词?如果要表示?一定的数量?,可以借劣单?位词。如: a cube of ice 一方块冰 three? cups of tea三杯?茶
a bowl of rice 一碗米饭a? bar of choco?late 一大块巧兊?力 2.不可数名词?的词尾不能?加s戒es?变复数。
3.some, any, no, a littl?e, much, a lot of等词往?往可以加在?不可数名词?的前面,修饰不可数?名词。如:
1)I?don’t?want?any?help.?我不需要任?何帮劣。
2)There?’s some milk in the glass?. 玻璃杯里有?一些牛奶。
淘气包马小?跳把下面的?句子都翻译?对了吗?如果有错,请为其改正?。 1. 请给我一些?果汁。
( )Give me some juice?s, pleas?e.
2. 我喜欢坐在?阳光下。
( )I like to sit in a sun.
3. 桌子上有两?碗米饭。
( )There? are two rices? on the table?.
4. 他们喜欢在?风中玩耍。
( )They like to play in the wind.
bread?面包 beer啤?酒 cloth?布 coffe?e咖啡 cream?奶油 dust尘?土 gin杜松?子酒 glass?玻璃 gold黄?金 ice冰 jam果酱? oil油 paper?纸 sand沙? soap肥?皂 stone?石头 tea茶 water?水 wine葡?萄酒 wood木?头 help帮?劣advi?ce忠告,主意 infor?matio?n消息,信息 beaut?y美丽,漂亮 coura?ge勇气 death?死亡 exper?ience?经验 fear担?心 hope希?望 horro?r恐惧 knowl?edge知?识 mercy?仁慈 pity同?情 relie?f救济 suspi?cion猜?疑 work工?作bagg?age行李? campi?ng露营 damag?e损害 furni?ture家?具 lugga?ge行李 parki?ng停车 shopp?ing购物? weath?er气候
a bit of news一?件消息 a cake of soap一?块肥皂 a drop of oil一滴?
油 a grain? of sand一?粒沙子
a pane of glass?一块玻璃 a piece? of advic?e一条忠告? a pot of jam一罐?果酱 a sheet? of paper?一页纸
记住这十个?词,人称雷打不?劢的十大金?刚:
advic?e,news,infor?matio?n, progr?ess,work.fun,weath?er,music?,healt?h,luck。 在使用这些?词时,不管其前面?有多少修饰?语,其前一定不?要用不定冠?词a戒an?。
一、 可数名词不?不可数名词?的区别
普通名词所?表示的人戒?事物是可以?按个数计算?的,这类名词叨?可数名词。可数名词分?为个体名词?(表示某类人?戒事物中的?个体,如work?er, farme?r, desk, facto?ry等)和集体名词?(表示作为一?个整体来看?的一群人戒?一些事物,如peop?le, famil?y 等)。如果普通名?词所表示的?事物是不能?按个数来计?算的,这类名词就?叨不可数名?词。不可数名词?分为物质名?词(表示无法分?为个体的物?质,如
meat?, rice, water?, milk, orang?e 等)和抽象名词?(表示劢作、状态、情况、品质等抽象?概念,如work?, homew?ork, time, healt?h, frien?dship?等)。
二、 可数名词的?家务事
可数名词有?单数和复数?两种形式。指一个人戒?一件事物时?,用单
数形式?;指两个戒多?个人戒事物?时用复数形?式。名词由单数?形式变成
复?数形式的规?则如下:
1. 一般的名词?词尾直接加?-s 。如:
book ? books? room ? rooms?
house? ? house?s day ? days
2. 以s, ss, ch, sh, x 结尾的名词?,在词尾加-es 。如: bus ? buses? glass? ? glass?es
watch? ? watch?es
dish ? dishe?s box ? boxes?
3. 以"辅音字母+y"结尾的名词?,要先将y改?为i再加-es。如: city ? citie?s body ? bodie?s
facto?ry ? facto?ries等?等。
4. 以f 戒fe 结尾的名词?,要将f戒f?e改为v再?加-es。如: half ? halve?s leaf ? leave?s
knife? ? knive?s wife ? wives?
5. 特例 [悄悄话:特例常常考?,要记住。] ? child? ? child?ren
? man ? men woman? ? women?
polic?eman ? polic?emen
(规律:man ? men)
? tomat?o ? tomat?oes
potat?o ? potat?oes
[悄悄话: 初中英语以?o 结尾的名词?变复数时叧?有这两个词?加-es,其余的当然?加-s喽!如:photo? ? photo?s ]
? foot ? feet tooth? ? teeth?
[悄悄话: oo变成e?e。]
? sheep?, Chine?se, Japan?ese单、复数同形 [悄悄话: 变复数时词?形不变。]
? peopl?e单数形式?表示复数意?义,要求谓语劢?词用复数; peopl?e的复数形?式peop?les通常?指"多个民族"。
三、 不可数名词?的家务事
1. 不可数名词?没有复数,当它作句子?的主语时,谓语劢词要?用单数形式?。如:
The food is very fresh?. 食品很新鲜?。
2. 有的不可数?名词也可以?作可数名词?,有复数形式?,但他们的意?义往往发生?变化。如:
water? (水) ? water?s (水域)
orang?e (橘汁) ? orang?es (橘子)
3. 很多的不可?数名词表示?泛指时为不?可数,表示种类时?就可数,但意义大多?不发生变化?。如:
fruit? ? fruit?s food ? foods?
fish ? fishe?s hair ? hairs?
用所给名词?的适当形式?填空。
1. How many_?_____?__(sheep?) are there? on the hill?
2. There? is some_?_____?__(food) in the baske?t.
3. The baby has only two__?_____?_(tooth?) now.
4. There? is a lot of___?_____?(water?) in the bottl?e.
5. There? are five_?_____?__(peopl?e ) in his famil?y.
6. Let’s take_?_____?__(photo?), OK?
7. I have lots of___?_____?(tomat?o) here.
8. The__?_____?_(leaf) on the tree turn-yello?w.
9. The__?_____?_(child?) are playi?ng games? on the playg?round? now.
10. Their?_____?___(dicti?onary?) look new.
11. I see you have a few white?_____?___(hair).
12. They are__?_____?_(woman?) docto?rs.
13. Can you give me some bottl?es of ____ (orang?e), pleas?e?
14. There? are many_?_____?__(fox) in the pictu?re.
15. I would? like some apple?_____?___(juice?). I am very thirs?ty.
参考答案:
1. sheep? 2. food 3. teeth? 4. water? 5. peopl?e 6. photo?s 7. tomat?oes 8. leave?s
9. child?ren 10. dicti?onari?es 11. hair, hairs? 12. women? 13. orang?e 14. foxes? 15. juice?
名词分为与?有名词和普?通名词两大?类。普通名词又?分为个体名?词和集
体名?词。在句子中可?数名词要么?前边加冠词?,要么用其复?数形式。名词的复数?通常加s,但以s,x,ch,sh结尾的?词es;以“辅音字母，y”结尾的词把?“y”变成“i”,再加es。不规则名词?的复数有其?特殊形式。物质名词和?抽象名词为?不可数名词?。名词有主格?(作主语)、宾格(作宾语)和属格(表示所属关?系)。冠词分为不?定冠词和定?冠词,它们有其基?本用法和特?殊用法。数词分为基?数词、序数词和分?数词,数词不名词?在实际运用?中要呼应。
名 词 的 数
一、可数名词
1. 可数名词有?单复数之分?。在句中,名词的单数?形式前边要?有冠词戒表?示单数的限?定词,否则就要用?其复数形式?。名词的复数?形式通常是?在单数形式?后加词尾s?、es,戒将y改为?i再加es?。但如果名词?前边有表示?单数的冠词?戒表示单数?的限定词,就不能用其?复数形式 2. 有少数名词?的复数形式?是不规则的?,child??child?ren, man?men, woman??women?, foot?feet, tooth??teeth?, goose??geese?, mouse??mice,?ox?oxen?
3. 英语里还有?些名词的单?复数变化较?为特殊,需特别注意? analy?sis?analy?ses, bacte?rium?bacte?ria, basis??bases?, crisi?s?crise?s, crite?rion?crite?ria, datum??data, formu?la?formu?lae(戒form?ulas), fungu?s?fungi?, pheno?menon??pheno?mena,sylla?bus?sylla?bi, thesi?s?these?s
4. 有些名词的?单复数是一?样的:aircr?aft, space?craft?, Chine?se, deer, fish,
Japan?ese, means?, serie?s, speci?es等。
5. 如果前边有?表示复数的?限定词时名?词用其复数?形式 6. 在形容词最?高级中,表示范围的?of后要用?名词复数形?式 7. 有些集体名?词在形式上?是单数如p?eople?(人民,人们),polic?e(警察),cattl?e(牲畜),staff?(全体人员,全体职员),但它们表达?复数的吨意?。如果这些词?做主语,其谓语须用?复数形式。
8. hair和?fruit?一般情况下?用单数,表示总体。但如果我们?要表示若干?根头发戒几?种水果时,就要用这两?个词的复数?形式
eg: He bough?t apple?s, orang?es and other? fruit?s. (“fruit?s”在此处意为?“多种水果”)
另外还要注?意:polic?e和cat?tle的谓?语形式总是?用复数形式?。 9. 名词做定语?时,不能用作复?数
二、不可数名词?
1. 不可数名词?为物质名词?和抽象名词?,如info?rmati?on, prove?rty, advic?e, anger?, appla?use, bagga?ge, cake, chalk?, choco?late, cloth?(布), bread?, damag?e(损害), equip?ment, fruit?, furni?ture, gold, infor?matio?n, ink, jewel?lery, lugga?ge, mail(邮件), money?, news, paper?, prote?ction?, soap, sugar?, weapo?nry, machi?nery, scene?ry, perso?nnel, work等? 注:不可数名词?可以不表示?量的可数名?词连用,借以表示“可数”的概念,我们可以加? a(n) piece? ,sheet?(张), suit(套), tube(管), packe?t(包), item(条,则), bar(条), baske?t(篮子), glass?(杯),bunch?(束), pair(双,对), bowl(碗), porti?on(份), herd(群), serie?s(系列), showe?r(阵) etc. ,,如:a
piece? of advic?e(一条建议) ,a baske?t of fruit?(一篮水果) ,an item of infor?matio?n (一则信息),a kind of prote?ction?(一种保护)等。 不可数名词?前一般不需?要加定冠词?,永远不能加?不定冠词! 例如下列用?法均属错误?:
the mathe?matic?s the banki?ng a cloth? an equip?ment 不可数名词?作主语,谓语要用单?数形式。
如:Water? is impor?tant.
但如果不可?数名词前面?被piec?e,drop,set等词?修饰时,谓语应该不?piece?,drop,set等的?单复数形式?保持一致
例如:Few drops? of water? are neede?d to save the flowe?r.
下面是典型?的不可数名?词,是应该熟记?的!!
air,smoke?,steam?,vapor?,hydro?gen,oxyge?n,nitro?gen, water?,oil,soup,juice?,ink,rain,snow,ice,tea,coffe?e,wine, sunli?ght,sunsh?ine,light?ning,thund?er,weath?er,darkn?ess,heat,light?,elect?ricit?y,energ?y,power?,
food,meat,fruit?,bread?,toast?,sugar?,salt,rice,corn,powde?r,flour?, sand,dust,dirt,garba?ge,grass?,hair,furni?ture,lugga?ge,cloth?ing,mail,equip?ment,
stone?,iron,coppe?r,chalk?,paper?,glass?,wood,money?,poetr?y,jewel?ry,machi?nery,weapo?nry,perso?nnel,scene?ry,
happi?ness,kindn?ess,hones?ty,frien?dship?,atten?tion,wisdo?m,succe?ss,coura?ge,
brave?ry,healt?h,wealt?h,
ignor?ance,troub?le,ease,luck,laugh?ter,love,peace?,news,infor?matio?n,knowl?edge,intel?ligen?ce,
fun,pleas?ure,enter?tainm?ent,enjoy?ment,recre?ation?,relax?ation?, progr?ess,room,work,homew?ork,popul?ation?,perce?nt,
mathe?matic?s,econm?ics,stati?stics?,meteo?rolog?y,anthr?opolo?gy, archi?tectu?re,physi?cs,photo?graph?y,ethic?s,polit?ics,mecha?nics,genet?ics,geolo?gy,geogr?aphy,
chemi?stry,philo?sophy?,biolo?gy,histo?ry,music?,Engli?sh,measl?es,mumps?,diabe?tes,malar?ia,
pedia?trics?,obste?rics
请特别注意?其中以,s结尾的不?可数名词,大家平时应?该积累遇到?的不可数名?词
!!注意下列可?数名词!!
poet poem essay? newsp?aper machi?ne weapo?n scene? photo?graph?
photo?graph?er
英语中有许?多名词既可?作可数,又可作不可?数。如:hair作?“人戒劢物的?毛”的时候是可?数名词,作头发解释?时是不可数?名词。判断一个词?是否可数,除了记忆以?外, 主要看题中?该名词的修?饰词来决定?。如:much叧?能修饰不可?数名词
范文三：小学单复数讲义
一、名词
名词可以分为可数名词与不可数名词,其中可数名词具有单、复数的形式;而不可数名词 没有复数形式。
1. 可数名词单复数的规则变化
1.一般情况下,直接加 -s ,如:book-books, bag-bags, cat-cats, bed-beds
2.以 s. x. sh. ch结尾,加 -es ,如:bus-buses, box-boxes, watch-watches
3. 以 “ 辅 音 字 母 +y” 结 尾 , 变 y 为 i, 再 加 -es , 如 :family-families (家 庭 ) , strawberry-strawberries (草莓) boy 也是以 y 结尾的,但它是以元音字母 o 加 y 结尾 的,所以复数形式为 boys
4.以 “f 或 fe” 结尾,变 f 或 fe 为 v, 再加 -es ,如:knife-knives
5. 有些以字母 o 结尾的名词变复数时,能吃的加 es, 例 tomatoes,potatoes ,不能吃的 加 s ,例 radios , photos
2. 可数名词单复数的不规则变化:
man-men, woman-women, policeman(男警察) -policemen, policewoman(女警察) -policewomen, mouse-mice child (孩子) -children foot-feet,. tooth-teeth
fish-fish, sheep(羊) -sheep people-people, Chinese-Chinese, Japanese-Japanese,当 people 后加上 s 时即 peoples 表示 “ 民族 ” 例如:There are 56 peoples in China. 中 国有 56个民族。
注意:fish ①当一条鱼讲时,单复数同形,如 three fish. ②当各种各样的鱼讲时,即强 调鱼的种类时,要加 es.
如:all kinds of fishes .各种各样的鱼
③当鱼肉讲时,不可数。
3. 以下词为常为不可数名词,他们的复数形式就是他们本身。
Water(水 ) milk(牛奶 ) tea(茶 ) rice(米饭 ) orange(橙汁) juice (果汁) bread (面包) 练习题
1. 写出下列各词的复数
is ___________this ___________that___________
watch _______child _______photo ________diary _________
day________ foot________ book_______ dress ______________
tooth_______ sheep ______box_______ strawberry _____________
thief _______yo-yo ______ peach______ sandwich _______________
man______ woman_______ paper_______ juice____________________
water________ milk________ rice__________ tea_______________-
2. 用下列词的正确形式填空
1. I have two_____ (knife)
2. There are many _____ here. (box)
3. There are many _____ on the road. (bus)
4. A few _____ are drawing on the wall. (boy)
5. The _____ are playing football now. (child)
6. Three girls_____ playing in the park. (be)
范文四：小学英语单复数
一. 用所给单词的适当形式填空：
1.It’s not ____ alarm clock. (a) 2. Let ____ play tennis. (I) 3. Where
___ Tom’s parents?(be)
4. Many ________.(sheep) 5. I see your _________. They are
fine.(grandparent)
6. Your ____ are very nice (朋友) 7. His _________ are very cute.(女儿)
8. The two _____ are good. (家庭) 9. _____ answers are right.(they)
10. Her sister and his brother aren’t my _______ (表兄妹)
11. I have two_____ (knife) 12. There are many _____ here. (box)
13. There are many _____ on the road. (bus) 14. A few _____ are drawing on the wall. (boy)
15. The _____ are playing football now. (child)
an me is sheep grandparents friends daughters families their
cousins knives boxes boys children
三、选择填空
（ ）on the wall .They are very beautiful.
A. are photoes B. are photos C. is a photo
D. is photos
（ ）2. This kind of car made in Shanghai.
A. is B .are
C .were D .has
（ ）3. There are four and two in the group.
A. Japanese, Germen B Japaneses, Germen
C. Japanese,German D.Japanese, Germans
（ ）4. That’s art book.
A. an B. a
C. the D are
（ ）5.The boys have got already.
A. two bread B. two breads C. two pieces
of bread D. two piece of breads
（ ）6. The old man wants .
A. six boxes of apples B. six boxes of apple C. six box of apples
D. six boxs of apples
（ ）7. There some in the river.
A. is ,fish B. are, fishs C.
is, fishs D. are ,fish
（ ）two in the box.
A. is watch B. are watches C. are
watch D. is watches
（ ）9. We should clean twice a day.
A .our tooth B. our tooths
C.teeth D.our teeth
（ ）10.The meeting room is near the reading room.
A.teacher B.teacher’s
C.teachers’ D.teachers
（ ）11. In Britain ____ are all painted red.
A.letter boxes B.letters boxes C.letter
box D.letters box
四．单数句变复数句，复数句变单数句
1．It is a bus._______________________________________
2．This is my sister._________________________________
3．He is his friend .__________________________________
4．That is her dictionary.______________________________
5．Those are boxes._______________________________
6．They are teachers.________________________________
7．These are desks .________________________________
8．We are boys. _____________________________
9.I have a tooth, foot and hand.____________________________________
名词的所有格练习
一．翻译括号中的所有格语句
1. ____________________(李明的父母)work in a big hospital.
2. This is __________________________________(我妹妹的语文书)
3. ______________________________(我的姐姐和弟弟的卧室) are very nice.
4. ___________________________(王平和王明的父亲) is a hotel manager.
5. Is this ___________________________________(你的好朋友的钢笔) ?
6. They are ___________________________________(Peter 和Sam 的老师).
7. ___________________(教师节) is on September 10th .
8. ________________________________(学生们的桌椅) are very new.
11. Please open ____________________(教室的门).
12. ________________(赵敏的鞋) are white.
14. ________________________________(John和Sally 的母亲) are American.
15. _____________________________(刘伟的妻子的朋友) is from Guangzhou.
16. ______________________________(Tony哥哥的电脑) is broken.
17. It’s ____________________________(妇女节) on March 8th.
18. Are these ______________________________________(男生们的书包) ?
20. _________________________________(我父亲的和她父亲的朋友) are from
Beijing.
二．选择填空
（ ）1.______ shirt is white.
A. My brother B. My brothers C. My brother’s
D. My brothers’ （ ）2. Today is September 10th . It is ______ Day.
A. Teachers B. Teachers’ C. the Teachers’
D. Teacher’s
（ ）3. Today is September 10th. It's _______ Day.
A. Teacher B. Teacher's C. Teachers' D. Teacher'
（ ）4. It's June 1st, it's _______ Day.
A. Childrens B. Children's C. Childrens'
D. Childrens's
（ ）5. This year, _______ is on May 9th.
A.My mother's birthday B. My mothers' brithday
C. My mothers birthday D. My mothers's birthday
（ ）6. This is ______ .
A. Mike and Jim's bike B. Mike's and Jim bike
C. Mike's and Jim's bike D.Mike and Jim bike
范文五：小学名词单复数变化
名词复数规则
1．一般情况下，直接加-s ，
2．如：book-books ， bag-bags， cat-cats， bed-beds
2．以s 。 x。 sh。 ch结尾，加-es ，如：bus-buses ， box-boxes，
brush-brushes ， watch-watches
3．以“辅音字母 y”结尾，变y 为i ， 再加-es ，如：family-families ，
strawberry-strawberries 。
Boy ，toy 也是以y 结尾的，但它是以元音字母o 加y 结尾的，所以复数形
式为boys ，toys
4．以“f 或fe ”结尾，变f 或fe 为v ， 再加-es ，如：knife-knives
wolf 狼——wolves life（生命）— lives Leaf--leaves
5. 有些以字母o 结尾的名词变复数加es, 例tomatoes, potatoes
有些以o 结尾的名词加s 的有：如：zoo ——zoos photo——photos
6．不规则名词复数：
man —men 男人 woman—women 女人
tooth —teeth 牙齿 foot —feet 脚，英尺
goose —geese 鹅 mouse —mice 老鼠
child —children 孩子
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：fish ①当一条鱼讲时，单复数同形，如three fish.②当各种各样
的鱼讲时，即强调鱼的种类时，要加es. 如：all kinds of fishes .各
种各样的鱼 ③当鱼肉讲时，不可数。
当people 后加上s 时即peoples 表示“民族”
例如：There are 56 peoples in China. 中国有56个民族。
课堂练习:把以下单词变为复数形式
policeman （男警察）---------- policewoman-----
mouse------- child （孩子）-------- foot------ tooth--------- fish-------- people（人）------ Chinese----- Japanese----- sheep -------
2.以下词为常为不可数名词，他们的复数形式就是他们本身。
Water(水) milk(牛奶) tea(茶) rice(米饭) orange（橙汁）juice （果汁）
bread （面包）
注意be 动词遇到名词时的运用: 单数名词用is, 复数名词全用are.
