piano为什么直接+s o结尾应该+es

piano为什么直接+s o结尾应该+es
piano为什么直接+s o结尾应该+es

piano为什么直接+s o结尾应该+es
可以记住一句话：以O 结尾的单词中,有生命的家es,没有生命的加s,简单记为：有生命的尾巴长
例如：potatoes
videos

名词的复数形式，一般在单数形式后面加-s或-es。现将构成方法与读音规则列表如下：
规则例词
1一般情况在词尾加-smap-maps, sea-seas, girl-girls, day-days
2以s, x, ch, sh结尾的名词后加-esclass-classes, box-boxes, watch-watches, dish-dishes
3以...

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名词的复数形式，一般在单数形式后面加-s或-es。现将构成方法与读音规则列表如下：
规则例词
1一般情况在词尾加-smap-maps, sea-seas, girl-girls, day-days
2以s, x, ch, sh结尾的名词后加-esclass-classes, box-boxes, watch-watches, dish-dishes
3以-f或-fe结尾的词变-f和-fe为v再加-esleaf-leaves, thief-thieves, knife-knives, loaf-loaves, wife-wives
加-sbelief-beliefs, chief-chiefs, proof-proofs, roof-roofs, gulf-gulfs
4以辅音字母加y结尾的名词，变y为i加-esparty-parties, family-families, story-stories, city-cities
5以元音字母加y结尾的名词，或专有名词以y结尾的，加-stoy-toys, boy-boys, day-days, ray-rays, Henry-Henrys
6以辅音字母加-o结尾的名词一般加-eshero-heroes, Negro-Negroes, potato-potatoes, tomato-tomatoes
不少外来词加-spiano-pianos, photo-photos, auto-autos, kilo-kilos, solo-solos
两者皆可zero-zeros/zeroes, volcano-volcanoes/ volcanos
7以元音字母加-o结尾的名词加-sradio-radios, bamboo-bamboos, zoo-zoos
8以-th结尾的名词加-struth-truths, mouth-mouths, month-months, path-paths,
2. 不规则名词复数：
英语里有些名词的复数形式是不规则的，现归纳如下：
规则例词
1改变名词中的元音字母或其他形式man-men, woman-women, foot-feet, goose-geese, mouse-mice
2单复数相同sheep, deer, series, means, works, fish, species li, yuan, jin,
3只有复数形式ashes, trousers, clothes, thanks, goods, glasses, compasses, contents
4一些集体名词总是用作复数people, police, cattle, staff
5部分集体名词既可以作单数（整体）也可以作复数（成员）audience, class, family, crowd, couple, group, committee, government, population, crew, team, public, enemy, party
6复数形式表示特别含义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)
7表示“某国人”加-sAmericans, Australians, Germans, Greeks, Swedes, Europeans
单复数同形Swiss, Portuguese, Chinese, Japanese
以-man或-woman结尾的改为-men,-womenEnglishmen, Frenchwomen
8合成名词将主体名词变为复数sons-in-law, lookers-on, passers-by, story-tellers, boy friends
无主体名词时将最后一部分变为复数grown-ups, housewives, stopwatches
将两部分变为复数women singers, men servants

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多数都加s 只要记住少数加es 的就好了
例如 tomato potato hero, motto, volcano 这些是加es的