1、英文单词复数变化 名词复数的规则变化 1) 以y结尾的专有名词,或元音字母+y 结尾的名词变复数时,直接加s变复数: 如: two Marys the Henrys monkey —— monkeys holiday —— holidays 比较: 层楼:storey —— storeys story —— stories 2) 以辅音字母+y结尾的词,变y 为i ,再加es ; 如: baby —— babies 3) 以o 结尾的名词,变复数时: a. 加s ; 如: photo —— photos
2、 piano —— pianos radio —— radios zoo —— zoos b. 加es ;如:potato —— potatoes tomato —— tomatoes c. 均可 ; 如:zero —— zeros / zeroes 4) 以f或fe 结尾的名词变复数时: a. 加s ;如: belief —— beliefs roof —— roofs safe —— safes gulf —— gulfs b. 去f / fe 加ves ;
3、如:half —— halves knife —— knives leaf —— leaves wolf —— wolves wife —— wives life —— lives thief —— thieves c. 均可 ;如: handkerchief —— handkerchiefs / handkerchieves 5) 以s,sh,ch,x,z 等结尾的词,加es ; 如:bus —— buses watch —— watches 6) 以ce,
4、se,ze,(d)ge等结尾的词,加s ; 如: license —— licenses 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。 如: an Englishman,two Englishmen. 但German不是合成词,所以复数形式为 Germans ;Bowman是姓,其复数是the
5、 Bowmans。 2)单复同形 如: 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。 如: 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 poli
6、ceman ;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。 如: 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: maths,politics,physics等学科名词,为不可数名词,是单数。 news 是不可数名词。 the United States ;the United Nations 应视
7、为单数。 如:The United Nations was organized in 1945. 联合国是1945年组建起 来的。 以复数形式出现的书名,剧名,报纸,杂志名,也可视为单数。 如:"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 glasse
8、s ;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Quiz 1 一、根据要求改变单词 1. sandwich(复数)sandwiches2. friend(复数)friends 3. heart(复数)hearts 4. noodles(单数)noodle 5. uniform(复数)uniforms 6. flower(复数)flowers 7. butterfly(复数)butterflies8. mouth(复数)mouths 9. cookies(单数)coo
9、kie 10. juice(复数) / 11. potatoes(单数)potato 12. fish(复数)fish 13. strawberries(单数)strawberry 14. bread(复数)__/__15. oranges(单数)orange 二、用am,is, are填空 1.Look, this is my jigsaw. It is so cool. 2. I am a s tudent of Class Two, Grade Three. 3. How much is seven p
10、lus eight? Fifteen. 4. There is some water in this bottle. 5. Is that your headmaster, Mingming? Yes, it is . 6. How are you today? I am fine, thank you. 7. Are these your lichees? No, they are not. 8. What is in your room? There is a bed. 9. Where are
11、 the lemons? They are on the table. 10. There is an ant under the chair. There are two cockroaches under the table. 11. There is a clock and two pictures on the wall. 12. We are hungry. Please give us some hamburgers. 三、按要求改变句型 1. I can run fast. (改为否定句) I can’t run fast
12、 2. This is a picture book. (改为一般疑问句) Is this a picture book? 3. There are some elephants in the zoo. (改为一般疑问句) Are there any elephants in the zoo? 4. My mother is a doctor. (改为否定句) My mother isn’t a doctor. 5. I am in the classroom. (改为否定句) I am not in the classroom. 6. I like ice cream very much. (改为一般疑问句) Do you like ice cream very much?






