可數(shù)名詞的復(fù)數(shù)形式

可數(shù)名詞的復(fù)數(shù)陸川中學(xué)附屬初級(jí)中學(xué)

陳益梅人教版七年級(jí)上冊(cè)可數(shù)名詞的復(fù)數(shù)形式名詞分為可數(shù)名詞和不可數(shù)名詞?？蓴?shù)名詞是可以用來(lái)計(jì)數(shù)的名詞，可數(shù)名詞有單數(shù)和復(fù)數(shù)兩種。今天我們學(xué)習(xí)可數(shù)名詞的復(fù)數(shù)形式。一、規(guī)則變化（1）一般情況下，在詞尾加s.

eg:book-books bed-beds friend-friends（2）以s,x,ch,sh結(jié)尾加es.

eg:bus-buses box-boxes watch-watches（3）以元音字母+y的名詞，直接加s

eg:boy-boys toy-toys key-keys（4）以輔音字母+y結(jié)尾，把y改為i，再加es.

eg:baby-babies city-cities family-families（5）以f或fe結(jié)尾，把f/fe改為v，再加es.

eg:wife-wives knife-knives

woof-woovesleaf-leaves巧記：妻子（wives）拿刀（knives）去殺狼（wooves）（6）以o結(jié)尾加es或s. eg:Negro-Negroes hero-heroes

potato-potatoes tomato-tomatoes巧記：黑人英雄都喜歡吃土豆和西紅柿Negroesandheroesbothlikepotatoesandtomatoes.二、不規(guī)則變化（1）把oo變ee

eg:foot-feet tooth-teethgoose-geese(鵝)注：除了boot（靴子）的復(fù)數(shù)boots之外。（2）把a(bǔ)→e

eg:man→men woman→women policewoman→policewomen policeman→policemen（3）單復(fù)數(shù)同形 eg:Chinese→chinese Japanese→Japanese sheep→sheep deer→deer

巧記：中國(guó)人和日本人都喜歡綿羊和鹿

ChineseandJapanesebothlikesheepanddeer.（4）只有復(fù)數(shù)形式的詞eg:shorts（短褲） trousers（長(zhǎng)褲子） jeans clothes

巧記：短褲、長(zhǎng)褲、牛仔褲都是衣服（shorts,trousersandjeansareclothes）還有g(shù)lasses,chopsticks.

巧記：戴眼鏡找筷子（wearglassestolookforchopsticks）

（5）其它形式： eg:mouse→mice child→children

三、巧記某國(guó)人變復(fù)數(shù)①Chinese→Chinese Japanese→Japanese巧記：中日友好，單復(fù)同形ChineseandJapanesearefriendly.②Englishman→EnglishmenFrenchman→Frenchmen巧記：英法戰(zhàn)爭(zhēng),a→e,

EnglishmenhadafightwithFrenchmen.③其余國(guó)人加seg：American→Americans Indian→IndiansAustralian→Australians German→GermansAsian→Asians Russian→Russians

四、復(fù)合名詞的復(fù)數(shù)變化規(guī)則

（1）一般只將主體名詞變?yōu)閺?fù)數(shù)

eg：pencilbox→pencilboxes appletree→appletrees（2）當(dāng)復(fù)合名詞前面的名詞是man或woman時(shí)，兩部分名詞都要變復(fù)數(shù)。

eg：manteacher→menteachers womandoctor→womendoctors1.規(guī)則名詞的復(fù)數(shù)變化2.不規(guī)則名詞的復(fù)數(shù)變化3.巧記某國(guó)人變復(fù)數(shù)4.復(fù)合名詞復(fù)數(shù)變化實(shí)戰(zhàn)練習(xí)1.Howmany______（tooth）doesthechildhave?2.Herearefive______(key)onthetable.3.These_________（watch）areverybeautiful.Wouldyouliketoownthem?4.The________(leaf)onthetreeturnyellowinautumneveryyear.用所給單詞的適當(dāng)形式填空。teethkeyswatchesleaves實(shí)戰(zhàn)練習(xí)

單項(xiàng)選擇

1.—Howtimeflies!It'stwo____sincewemetlast!

—Soitis.Imissyousomuch.A.months B.monthesC.months'D.month's2.—Therearemany___aboutthisfarm.—Yes,lotsof___areplantedonit.A.photo;potato B.photos;potatosC.photos;potatoes D.photoes;potatoes實(shí)戰(zhàn)練習(xí)3.Mygrandparentskeepalotof____onthemountain.A.sheep B.chick