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另: penny (pence或 pennies) (3)增加字母: child --children, ox --oxen
(4)以o结尾的词:
加s: photo, radio, piano, zoo, studio, bamboo, tobacco
加es: tomato, potato, hero 另:zero (zeros或 zeroes)
③含boy, girl, lady等的合成的名词: 它们始终为单数,其后的名词则用复数形式。 如: boy students, girl friends, lady drivers
④含man或 woman的合成名词: 它们随其后名词单复数的变化而变化。如: a man doctor, two men-ups girl friends sisters-in-law
men servants
lookers-on
I.可数名词的复数变法
情况
加法
例词
一般情况 以s,x,ch,sh,结尾的词
加-s 加-es
以辅音+y结尾的词 去y加-ies
Brothers;schools Buses; watches; dishes Ladies; countries
(6) 合成名词的复数形式: ①将合成名词中的主体名词变为复数: looker(s)-on, passer(s)-by, mother(s)-in-law
②将最后一部分变为复数: grown-up(s), go-between(s) (中间人), good-for-nothing(s) (无用之人)
games (运动会) forces
(军队)
times (时代) arms (武器) Instructions (说明)
looks
(外表)
conditions (形式,情况)
II.不可数名词的”数”
1. 抽象名词表示具有某种特性、状态、感情情绪的人或事。如:
抽象名词(不可数) 具体化(个体名词,可数名词)
4.有些物质名词以复数形式出现,表示数量之多,范 围之广。如:
The boy burst into tears at the bad news. The rising waters did a lot of harm to the crops. The stone bridge broke down in heavy rains.
(5)以f或fe结尾的词:
直接加s:roof, proof, belief, chief, gulf, 变f为v再加es:life, wife, knife, half, leaf,
wolf, thief 另外:handkerchief
(handkerchiefs或handkerchieves)
beef(beeves菜牛 、beefs怨言;牢骚)
A knowledge of English is a must in international trade. Would you like to have a walk (swim, bath, talk) with me? It is a waste of time reading such a novel. She made an apology to her mother for her wrong doings.
B>有些名词单复数形式含义特别
常见woods (森林) works (工厂)
waters (水域)
clothes (衣服)
customs (海关)
manners (礼貌)
sands (沙滩) spirits (精神,烈酒)
feelings (感情) goods
(货物)
papers (报纸,文件) surroundings (环境)
可数名词 (Countable Nouns)
1. 可数名词的复数
给出下列名词的复数形式
policeman child mouse tooth foot potato hero leaf shelf roof life baby monkey branch thief mosquito
policemen
(7) 姓氏后加s并带冠词,表一家人或夫妇俩:
the Greens ;the Chengs
(8) 名词单复数形式意义相同的短语:
• make faces / a face(做鬼脸) • Have talks / a talk with sb.(与某人交谈) • Play jokes / a joke on (拿…开玩笑) • Make contributions / a contribution to
(为…做贡献)
(9)名词单复数意义不同的短语: • Have a word with sb. (与…某人说句话) • Have words with sb. (与…某人吵架) • Make cloth (织布) • Make clothes (制衣)
一:’s型用法(有生命的所有格)
• 1.有生命的所有格
woods(森林), works(工厂) (6) 有没有s结尾意义不同:
glass –glasses, cloth –clothes, work –works,
water –waters, wood –woods, good–goods, time –
times(时代), paper –papers(论文), green –greens(青菜), custom –customs(海关), spirit –spirits(酒精,情绪), light –lights(灯), experience –experiences(经历), arm – arms(武器), iron –irons(镣铐,熨斗), compass(指南针) –compasses(圆规),
in surprise惊讶地
a surprise一件令人惊讶的事
win success获得成功
a success一个(件)成功的人(事)
win honor赢得荣誉
an honor一个(件)引以为荣的(事)
Failure(失败)is the mother of success 失败是成功之母。
a failure失败者
III. 名词单复数的特殊情况:
(1) 集体名词只用作复数: police , cattle , people , poultry, the youth
(2) 集体名词用作不可数名词: clothing, jewellery, furniture, luggage (baggage), machinery, wealth
3. 物质名词有前置定语修饰时,前面要使用不定冠词。 have breakfast have a wonderful breakfast
The road is covered with snow. They have a heavy snow every year.
Time and tide wait for no man. We had a wonderful time last night.
feet shelves
children mice
teeth
potatoes heroes leaves roofs lives babies
monkeysbranches thieves mosquitoes
watch
lady
fox fly brush
tomato inch
half
kilo
piano
以辅音+o 结尾的词 多数加-es
Heroes; tomatoes
以f或fe结尾的词
把f/fe改成ves Halves; leaves
不规则名词单复数变化:
(1)单复数同形:sheep, deer, fish, means, species, works(工厂), aircraft, spacecraft, Chinese, Japanese, Swiss
• 李平的自行车 Li ping’s bike
• 汤姆的作品 •
Tom’s works
• Tom and Mary’s father 共有
Tom’s and Mary’s fathers 各有
• 2.表某人家,店铺名称,常省去所有格后的名 词.
• At Green’s , at my uncle’s • At the tailor’s
(2)改变字母:man --men, woman --women, policeman --policemen, saleswoman --saleswomen, foot --feet, tooth --teeth, goose --geese, Mouse --Mice , phenomenon --phenomena
calf
passer-by
go-
between
grown-up
girl friend
sister-in-law man servant looker-on
watches ladies foxes flies brushes
tomatoes inches halves kilos pianos
calves passers-by
clothes, trousers, jeans, twins, glasses, compasses, scissors, goods ,thanks, wishes, wages, tears, troops, forces, resources
(5) 以s结尾但不表示复数:
mathematics, physics, politics, statistics, news,
by experience靠经验
an experience一次经历