初中英语语法专讲名词名词变复数分为规则变化与不规则变化:一、规则变化1)一般情况在词尾加s清辅音后读/s/mapmapsbookbooks浊辅音与元音后读/z/bagbagscarcars2)以s,sh,ch,x等结尾得,加es,busbuseswatchwatches3)以辅音字母+y结尾得,变y为i再加es,familyfamiliesbabybabies注意:以y结尾得专有名词变复数时,直接加stwoMarystheHenrys4)以元音字母+y结尾得,直接加–s,boyboystoytoyskeykeysholidayholidays5)以辅音字母加o结尾得名词变复数有两种形式:1、无生命得物体后加s如:photophotospianopianos2、有生命得物体后加es如:potatopotatoestomatotomatoesheroherosNegroNegros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结尾得名词变复数时直接加s如:radioradioszoozoosbamboobamboos7)以f或fe结尾得名词变复数时:1、改f,fe为v再加es,如:wifewivesknifekniveswolfwolvesthiefthievesshelfshelveshalfhalvesleafleavesselfselveslifelives连成口诀就就是: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:gulfgulfsroofroofschiefchiefssurfsurfsbeliefbeliefsproofproofshandkerchief—handkerchiefs;连成口诀就就是:海湾边,屋顶上,首领奴仆两相望,谁说她们没信仰,证据就在手帕上。二、不规则变化1)变man为men如:manmenwomanwomenpolicemanpolicemenfiremanfiremen2)改oo为ee如:footfeettoothteethgoosegeese3)在词尾加ren如:childchildren4)其她特殊变化如:mousemice5)单复数同形如:deer,sheep,fish,Chinese,Japanese等。除了人民币得元、角、分外,美元、英镑、法郎等都有复数形式。如:adollar,twodollars;ameter,twometers。6)HYPERLINK""\t"_blank"集体名词,以单数形式出现,但实为复数。例如:peoplepolicecattle等本身就就是复数,不能说apeople,apolice,acattle,但可以说aperson,apoliceman,aheadofcattle。7)以s结尾得学科名词,就是不可数名词,视为单数。如:如:maths,politics(政治),physics(物理)8)表示由两部分构成得东西,如:glasses(眼镜,trousers,clothes,scissors等,应该瞧作可数名词,作主语时,谓语动词用复数。若表达具体数目,要借助数量词pair(对,双);suit(套);如:apairofglasses;twopairsoftrousers等。9)不同国籍人得单复数国籍总称(谓语用复数)单数复数中国人theChineseaChinesetwoChinese日本人theJapaneseaJapanesetwoJapanese法国人theFrenchaFrenchmantwoFrenchmen英国人theEnglishanEnglishmantwoEnglishmen瑞士人theSwissaSwisstwoSwiss澳大利亚人theAustraliansanAustraliantwoAustralians俄国人theRussiansaRussiantwoRussians意大利人theItaliansanItaliantwoItalians希腊人theGreekaGreektwoGreeks美国人theAmericansanAmericantwoAmericansHYPERLINK""\t"_blank"印度人theIndiansanIndiantwoIndiansHYPERLINK""\t"_blank"加拿大人theCanadiansaCanadiantwoCanadians德国人theGermansaGermanstwoGermans瑞典人theSwedishaSwedetwoSwedes国家人变复数得速记口诀: