名词变复数规则1.一般名词复数是在名词后面加上“s”,如map→maps,bag→bags等;2.以s,sh,ch,x等结尾的词加“es”,如bus→buses,watch→watches等;3.以辅音字母+y结尾的词,变y为i加es,如baby→babies等;以元音字母+y结尾的名词变复数时,直接加s变复数,如monkey→monkeys,holiday→holidays,storey→storeys(楼层);4.以o结尾的名词变复数时:a)加s的名词有:photo→photos,piano→pianos,radio→radios,zoo→zoosb)加es的名词有:potato→potatoestomato→tomatoes5.以f或fe结尾的名词变复数时:a)加s的名词有:belief→beliefsroof→roofssafe→safesgulf→gulfsb)去掉f,fe加ves的名词有:half→halvesknife→knivesleaf→leaveswolf→wolveswife→wiveslife→livesthief→thieves名词单数变复数口诀:规则变化:名词单数变复数,直接加-S占多数,s,x,z,ch,sh来结尾,直接加上-es.辅音+y在结尾,变y为i再加-es词尾是f或fe,加-s之前先变ve词尾字母若是o,无生命的加-s,有生命的加-es,要加-es请记好,hero,tomato,potato.不规则变化:男人女人a变e,鹅足牙oo变ee,老鼠虱婆也好记,ous变ic:孩子加上ren,鱼鹿绵羊不用变。练习题:写出下列名词的复数形式:bus--sheep--dress--story--watch--tomato--orange--fish--appletree--pencil-box--goose--baby--student--child--boy--girl--shoe--leaf--candy--peach--knife--potato--man--woman--foot--piano—答案:bus--busessheep_sheepdress__dressesstory_storieswatch_watchestomato—tomatoesorange—orangesfish—fishappletree__appletreespencil-box_pencil-boxesgoose__geesebaby__babiesstudent__studentschild—childrenboy__boysgirl_girlsshoe--shoesleaf—leavescandy__candiespeach__peachesknife_knivespotato—potatoesman__menwoman_womenfoot__feetpiano--pianos1.以O结尾的名词顺口溜规律:有生命的以o结尾的名词变复数时,词尾加es,凡无生命的以o结尾的名词变复数时,词尾加s。口诀1:黑人和英雄吃土豆和西红柿要加es其余全部加s解释:negroesandheroeseattomatoesandpotatoes口诀2:你在“zoo”里看见一根“bamboo”上面挂着一张“photo”所照的是一架“piano”上面放着一台“radio”解释:zoo-zoos,bamboo-bamboos,photo-photospiano-pianos,radio-radios.2.表示民族的名词顺口溜口诀:“中、日、瑞”友好是一致;“英、法”联盟a变e;其他一律加s。解释:Chinese,Japanese单复数同形;Englishman,Frenchman的复数为Englishmen,Frenchmen;其他像German,American,Australian等的复数形式是在后面加“s”。3.以f、fe结尾的顺口溜规律:以f(e)结尾的名词变为复数时,改“f(e)”为“ve”再加“s”。口诀: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。解释:wife(妻子),knife(刀子),wolf(狼)thief(小偷),shelf(架子),life(生命)4.巧记不规则名词单变复口诀:大鹅老鼠齐步走男男女女龇龇牙解释:goose-geese;mouse-mice;foot-feet;man-men;woman-women;tooth-teeth;5.单复数形式一致的顺口溜口诀:一个中国人和一个日本人骑着一只羊和鹿去吃水煮鱼。解释:Chinese,deer,Japanese,sheep,fish