规 则
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例 词
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1
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改变名词中的元音字母或其他形式
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man-men, woman-women, foot-feet, goose-geese, mouse-mice
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2
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单复数相同
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sheep, deer, series, means, works, fish, species
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3
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只有复数形式
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ashes, trousers, clothes, thanks, goods, glasses, compasses, contents
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4
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一些集体名词总是用作复数
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people, police, cattle, staff
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5
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部分集体名词既可以作单数(整体)也可以作复数(成员)
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audience, class, family, crowd, couple, group, committee, government, population, crew, team, public, enemy, party
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6
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复数形式表示特别含义
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customs(海关), forces(军队), times(时代), spirits(情绪), drinks(饮料), sands(沙滩), papers(文件报纸), manners(礼貌), looks(外表), brains(头脑智力), greens(青菜), ruins(废墟)
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7
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表示“某国人”
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加-s
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Americans, Australians, Germans, Greeks, Swedes, Europeans
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单复数同形
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Swiss, Portuguese, Chinese, Japanese
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以-man或-woman结尾的改为-men,-women
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Englishmen, Frenchwomen
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8
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合成名词
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将主体名词变为复数
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sons-in-law, lookers-on, passers-by, story-tellers, boy friends
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无主体名词时将最后一部分变为复数
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grown-ups, housewives, stopwatches
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将两部分变为复数
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women singers, men servants
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