1、小學(xué)英語不規(guī)則名詞單復(fù)數(shù)般情況下，直接加 S,如：apple-appies, pig-pigs, book-book等。一、以f和fe結(jié)尾的單詞規(guī)則：變f或fe為“ves ”。單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義wolfwolves狼wifewives妻子，太太halfhalves半個(gè)kn ifeknives小刀，刀子calfcalves小牛lifelives（個(gè)人的）性命sheafsheaves捆，束，扎thiefthieves賊leafleaves葉子二、結(jié)尾是0的單數(shù)詞，無生命的，加 S就成復(fù)數(shù)詞單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義pia nopia nos鋼琴p hotop hotos照片，相片radiora

2、dios收音機(jī)bamboobamboos竹子zoozoos動(dòng)物園kan garookan garoos袋鼠三、結(jié)尾是0的有生命力的詞，一般加“ es 口訣：黑人英雄吃西紅柿馬鈴薯。單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義n egron egroes黑人heroheroes英雄tomatotomatoes西紅柿p otatopo tatoes土豆，馬鈴薯mangoman goes芒果四、以s, X，ch，sh結(jié)尾的詞名詞變復(fù)數(shù)時(shí)，要在詞尾加es單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義busbuses公共汽車classclasses班級(jí)boxboxes盒子foxfoxes狐貍matchmatches火柴，比賽lu nchlun

3、ches午餐brushbrushes畫筆，刷子五、以 man 結(jié)尾表示一類人的，變 man 為 men單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義manmen男人woma nwome n女人，婦女P olicema np oliceme n警察firema nfireme n消防員六、單復(fù)數(shù)同形的單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義deerdeer鹿sheepsheep綿羊fishfish魚Chin eseChin ese中國人JapaneseJapanese日本人worksworks工廠七、單詞中有 00的，變00為ee單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義footfeet腳toothteeth牙齒goosegeese鵝八、以輔音字母

4、y結(jié)尾的，變y為ies單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義storystories故事bodybodies身體countrycoun tries國家librarylibraries圖書館familyfamilies家庭citycities城市九、以兀音字母加 y結(jié)尾的名詞，直接加 s單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義boyboys男孩keykeys鑰匙toytoys玩具十、其他特殊的名詞復(fù)數(shù)形式單數(shù)復(fù)數(shù)詞義單數(shù)復(fù)數(shù)詞義childchildre n孩子oxoxe n牛mousemice老鼠louselice虱子Iwe我俄們youyou你/你們he,she,itthey他她它/他們thisthese這個(gè)/這些thatt

5、hose那個(gè)/那些二、單數(shù)句變復(fù)數(shù)句把單數(shù)的句子成復(fù)數(shù)的句子很簡單：變法是把能變成復(fù)數(shù)的詞變成復(fù)數(shù)，但a或an要把去掉。特殊疑問詞、形容詞、國家及地點(diǎn)通常不變。1、人稱代詞由單數(shù)變復(fù)數(shù):主格I we you youhe/she/it they賓格me us you youhim/her/it themShe is a girl .I like her. We like them.2、指示代詞由單數(shù)變復(fù)數(shù):單數(shù) thisthat復(fù)數(shù) thesethose例 1 This is a book .These are（ some）books .例 2 Is that a per？Are those（

6、any） pens?3、物主代詞由單數(shù)變復(fù)數(shù):1、名詞性物主代詞：mine ours, yours yours， his/hers/its theirs2、形容詞性物主代詞： my our，your your，his/her/its their1 The book is mine. The books are ours.例 2 This is her pen.These are their pens.4、一般情況下，形容詞性物主代詞在單數(shù)句變復(fù)數(shù)句時(shí)不變。例 1 This is my book . These are my books .5、當(dāng)句中形容詞性物主代詞與句中的主語一致時(shí)，形容詞性物

7、主代詞應(yīng)隨主語人稱的變化而變化，仍要保持一致。1 He likes his bike. They like their bikes.6、連系動(dòng)詞由單數(shù)變復(fù)數(shù)：is/am are1 I am a teacher.We are（ some）eachers.7、a/an表示一個(gè)，只能用在單數(shù)名詞前,當(dāng)單數(shù)句變復(fù)數(shù)句時(shí),定要把 a/an去掉，或改為 some/anybooks.例 1 This is a book .These are（ some）例 2 Is that a per？Are those（ any） pens?8、當(dāng)名詞作定語或在介詞短語中作介詞賓語充當(dāng)除賓語以外的其它成分時(shí)，該名詞不變

8、。例 1 He is a boy stude nt .They are（some）boy students. （man和 woman） 除外。例 2 She is a woman worker.They are（ some）women workers.9、單數(shù)句變?yōu)閺?fù)數(shù)句時(shí)，句式不能改變，即單數(shù)句是疑問句時(shí)，變?yōu)閺?fù)數(shù)句時(shí),仍然是疑問句。例 1 What s thi？What are these例 2 She likes his bike. They like their bikes.把下列句子變成復(fù)數(shù)1,1 have a car.2, He is an America n boy.3, It is a car.4, This is an eraser.5, That is a back psck 6,1m an En glish teather 7,lts a new shirt.8,Hes a boy.9,Shes a sin ger.10,Whats this in En glish?部分內(nèi)容來源于網(wǎng)絡(luò)，有侵權(quán)請聯(lián)系刪除!11、Is t