法则规律例子1一般情况下在名词后面直接+s,s在浊辅音后面读[z],在清辅音后面读[s]。book—booksdog—dogs读[s]day—daystree—trees读[z]2以s、z、ch、sh等结尾的单词+es,读[iz]。class-classeswatch-watchesbox-boxesbrush-brushes3以o结尾的词有生命的+es,读[z]。MATCH_
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_1716158165007_0:英雄吃土豆、番茄和芒果;无生命的+s,读[s];以两个元音字母结尾(其一必定是o)时+es,读[z]。有生命:tomato-tomatoes西红柿;potato-potatoes土豆;mango-mangoes芒果;hero-heroes英雄无生命:photo-photos相片;piano-pianos钢琴;radio-radios以两个元音结尾的:zoo-zoos4以f、fe结尾的名词,变f、fe为v+es,读[iz]。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wife-wives(妻子);knife-knives(小刀);wolf-wolves(狼);thief-thieves(小偷);shelf-shelves(架子);life-lives(生命、生活);leaf-leaves(树叶);5以y结尾的,如果y前面是辅音,把y改为i,再加-es,读[z];如果y前面是元音,直接加s,读[s]。辅音加y:story-storiescity-citiesfamily-familiesbaby-babies元音加y:boy-boystoy-toyskey-keys6有些名词有不规则的复数形式man-menwoman-womentooth-teeth(牙齿)foot-feetpoliceman-policemenmouse—mice老鼠child—childrenox—oxen公牛7有些名词的单复数形式相同deer-deer鹿sheep-sheep绵羊fish-fish鱼Japanese-JapaneseChinese-Chinese8有些学科名词虽以s结尾,但通常都做单数名词看待physics物理maths数学politics政治news新闻9有些单数形式的名词具有复数的含义,要当作复数看待people人们police警察public公众“S法则”:可数名词变复数的变化规则