名詞的復(fù)數(shù)形式

1、.可數(shù)名詞的復(fù)數(shù)變化可數(shù)名詞一般有單數(shù)和復(fù)數(shù)兩種形式，名詞由單數(shù)變成復(fù)數(shù)的變化分為規(guī)則變化和不規(guī)則變化兩個(gè)大類。1.名詞復(fù)數(shù)的規(guī)則變化：絕大多數(shù)名詞直接在詞尾加s變成復(fù)數(shù)，如：cupcups, bathroom-bathrooms以s, x, ch, sh結(jié)尾的名詞變復(fù)數(shù)要加es，如：class（班級(jí)）classes, box（盒子）boxes, match（火柴）matches, brush（刷子）brushes以f或fe結(jié)尾的名詞變復(fù)數(shù)時(shí)，去f或fe再加ves。f、fe結(jié)尾的順口溜：妻子持刀去宰狼，小偷嚇得發(fā)了慌；躲在架后保己命，半片樹葉遮月光。按：順口溜中的黑體字是中學(xué)階段學(xué)過的九個(gè)以f

2、(e)結(jié)尾的名詞：wife(妻子)，knife(小刀)，wolf(狼)，thief(小偷)，shelf(架子)，self(自己)，life(生命)，half(一半)，leaf(樹葉)。這九個(gè)詞變復(fù)數(shù)時(shí)，都是改-f(e)為ve再加-s。注意:以f結(jié)尾的名詞，一般把把f改為ves，但也有特殊情況是直接加-s的，如gulf（海灣）, roof（屋頂）, chief（首領(lǐng)）, serf（農(nóng)仆）, belief（信仰）, proof（證據(jù)）, handkerchief（手帕）。編成口訣聯(lián)想：海灣邊、屋頂上，首領(lǐng)農(nóng)仆相望；誰說他們無信仰，證據(jù)定在手帕上。 以y結(jié)尾的名詞變復(fù)數(shù)時(shí)視以下兩種情況而變：元音+y

3、：直接+s ,如：boyboys, toytoys, day-days輔音+y：變y為i，再+es ，如：study(書房)studies, city(城市)cities, party（晚會(huì)）-parties以o結(jié)尾的名詞變復(fù)數(shù)時(shí)視以下三種情況而變：O結(jié)尾的名詞順口溜1）有生命的以o結(jié)尾的名詞變復(fù)數(shù)時(shí)，詞尾加es，凡無生命的以o結(jié)尾的名詞變復(fù)數(shù)時(shí)，詞尾加s。有生命：potato（土豆）-potatoes, tomato（西紅杮）-tomatoes, hero（英雄）-heroes, Negro（黑人）-Negroes如無生命：zoo-zoos, radio-radios, photo-phot

4、os, piano-pianos, zero-zeros, bamboo（竹竿）-bamboos, tobacco（煙絲）-tobaccos2）兩人兩菜一水果。（+es）小學(xué)-中學(xué)課本中以o結(jié)尾的名詞構(gòu)成復(fù)數(shù)時(shí)，加es的只有Negro（黑人），hero（英雄），potato（土豆），tomato（西紅杮），mango（芒果）這就是“兩人兩菜一水果”。 3）其余以o結(jié)尾的名詞變復(fù)數(shù)時(shí)均加s。圖景：你在“zoo”里，看見一要“bamboo”，上面掛著一張“photo”，所照的是一架“piano”，上面放著一臺(tái)“radio”。zoo-zoos , bamboo-bamboos, photo-phot

5、os piano-pianos, radio-radios. 2.名詞復(fù)數(shù)的不規(guī)則變化：把oo變成ee，如：foot（腳）feet, tooth（牙齒）teeth, goose(鵝)-geese把詞尾man變成men，如：woman(婦女)women, policeman（警察）-policemen, fisherman（漁民）fishermen, Frenchman（法國男人）Frenchmen, Englishman（英國男人）Englishmen, 注意:German（德國人）Germans,humanhumans, walkmanwalkmans表示民族的名詞順口溜（1）“中、日、瑞”

6、友好是一致。（2）“英、法”聯(lián)盟a變e。（3）其他一律加s 即Chinese，Japanese單復(fù)數(shù)同形；Englishman，F(xiàn)renchman的復(fù)數(shù)為Englishmen，F(xiàn)renchmen；其他像German，American，Australian等的復(fù)數(shù)形式是在后面加“s”。在詞尾加en或ren變成復(fù)數(shù)，如：oxoxen, childchildren,單復(fù)數(shù)同形，如：sheepsheep, deerdeer, ChineseChinese, JapaneseJapanese means-means(方法，手段)注意: fish的復(fù)數(shù)有兩種：同種魚，只表示魚的數(shù)量多，不加es：There

7、 are nearly 500 fish in the pond. 強(qiáng)調(diào)有不同種類的魚時(shí)要加es：There are all kinds of fishes in the pond.其它一些常見名詞的不規(guī)則變化：mouse（老鼠）mice ；basisbases（基礎(chǔ)）；oasisoases(綠洲)，datumdata（數(shù)據(jù)）；medium-media(媒體)、寫出下列名詞的復(fù)數(shù)形式1、orange 2、class 3、text 4、monkey 5、piano 6、child 7、shelf 8、bed 9、country 10、family 11、toy 12、foot 13、Japane

8、se 14、radio 15、photo 16、army 17、tomato 18、fox 19、woman 20、knife 22、sheep 、選擇填空1、There on the wall .They are very beautiful.A. are photoes B. are photos C. is a photoD. is photos2. This kind of car made in Shanghai.A. is B .are C .were D .has3. There are four and two in the group.A. Japanese,Germen B

9、 Japaneses,Germen C. Japanese,German C.Japanese, Germans4. Thats art book.A. an B. a C. the D are5. The boys have got already（已經(jīng)）. A.two breadB.two breads C.two pieces of bread D.two piece of bread6. The old man wants .A. six boxes of apples B. six boxes of apple C. six box of apples D. six boxs of

10、apples7. Theresomein the river.A. is ,fish B. are, fishs C. is, fishs D. are ,fish8. Theretwoin the box.A. is watchB. are watches C. are watch D. is watches9. We should clean twice a day.A .our tooth B. our tooths C.teeth D.our teeth10.They come from different _A. country B.countries C. a country D.

11、 countrys11. How many _do you see in the picture?A.tomatos B.tomatoes C.tomato D.the tomato12. They are_. A . woman teachers B. women teachers C. women teacher D. woman teacher13. Would you like _ ,please? A. two glass of water B. two glasses of water C. two glass of waters D. two glasses of waters1

12、4. Most of _ live in _. A. Germans, German B. German, Germen C. Germen, Germany D. Germans, Germany15. There are some _ in these _.A.knifespencil-boxes B.knivespencils-box C.knivespencil-box D.knivespencils-boxes16. _ like _ by air. A. Greens, travelling B. The Green, traveling C. The Greens, travel D. The Greens, traveling A. the people B. people C. peoples D. the peop