名词变复数分为规则变化和不规则变化

1、名词变复数分为规那么变化和不规那么变化:一.规那么变化1） 一般情况在词尾加-s清辅音后读/s/map-maps浊辅音和元音后读/z/ bag-bags2以s, sh, ch, x 等结尾的,加 -es ,3以辅音字母+y结尾的,变y为i再加es ,book-books car-carsbus-buses watch-watchesfamily-familiesbaby-babies注意：以y结尾的专有名词变复数时,直接加 s two Marysthe Henrys4以元音字母 +y 结尾的,直接加-s , boy-boys toy-toys key-keysholiday-holidays5

2、以辅音字母加o结尾的名词变复数有两种形式：1 .无生命的物体后加 s如： photo-photospiano-pianos2 .有生命的物体后加 es如：potato-potatoestomato-tomatoes hero-herosNegro-Negros这五个词速记口诀：黑人英雄爱吃西红柿土豆6以元音字母加 o结尾的名词变复数时直接加 -s如：radio-radioszoo-zoosbamboo-bamboos7以f或fe结尾的名词变复数时:1.改f, fe为v再加es,如：wife-wivesknife-kniveswolf-wolvesthief-thievesshelf-shelv

3、eshalf-halvesleaf-leavesself-selveslife-lives连成口诀就是：妻子持刀去宰狼,小偷吓得发了慌,躲在架后保己命,半片树叶遮目光.2.直接加 s,如:gulf-gulfsroof-roofschief-chiefssurf-surfsbelief-beliefsproof-proofshandkerchief handkerchiefs ;连成口诀就是：海湾边,屋顶上,首领奴仆两相望,谁说他们没信仰,证据就在手帕上.二、不规那么变化1)变 man 为 men如：man-menwoman-womenpoliceman-policemenfireman-fir

4、emen2)改oo 为ee如：foot-feettooth-teethgoose-geese3)在词尾加-ren如:child-children4)其他特殊变化如:mouse-mice5)单复数同形deer , sheep ,fish , Chinese , Japanese 等.除了人民币的元、角、分外,美元、英镑、法郎等都有复数形式.如：a dollar, two dollars;a meter, two meters6集体名词,以单数形式出现,但实为复数.例如：people police cattle 等本身就是复数,a head of等,应该pair 对,不能说 a people ,

5、a police , a cattle , 但可以说 a person , a policeman cattle .7以s结尾的学科名词,是不可数名词,视为单数.如:如：maths , politics 政治, physics 物理8表示由两局部构成的东西,如： glasses 眼镜,trousers, clothes , scissors看作可数名词,作主语时,谓语动词用复数.假设表达具体数目,要借助数量词双; suit 套; 如：a pair of glasses; two pairs of trousers 等.9不同国籍人的单复数国籍总称谓语用复数单数复数中国人the Chinesea

6、 Chinesetwo Chinese日本人the Japanesea Japanesetwo Japanese法国人the Frencha Frenchmantwo Frenchmen英国人the Englishan Englishmantwo Englishmen瑞士人the Swissa Swisstwo Swiss澳大利亚人the Australiansan Australiantwo Australians俄国人the Russiansa Russiantwo Russians意大利人the Italiansan Italiantwo Italians希腊人the Greeka Gr

7、eektwo Greeks美国人the Americansan Americantwo Americans印度人the Indiansan Indiantwo Indians加拿大人the Canadiansa Canadiantwo Canadians德国人the Germansa Germanstwo Germans瑞典人the Swedisha Swedetwo Swedes国家人变复数的速记口诀：“中、日、瑞友好是一致,英法联盟a变e,其他一律加-s练习：请写出以下词的复数形式.city zoo country tooth mouse boy broom car treehorse b

8、us foxbranch baby family dishradio photo piano knife leaf life thief manwatch diary day book dress sheep tea box strawberry peach sandwich paper juice water milk rice people CD deer fish答案:cities zoos countries teeth mice boys brooms cars trees horses buses foxes branches babies families dishes radios photos pianos knives leaves lives thieves menwa