第1个回答 2008-01-13
以s x z sh ch结尾,加-es,如:bus-buses, box-boxes, quiz–quizzes, brush-brushes, watch-watches
但 stomach-stomachs除外
以元音字母(a e i o u)加y结尾的名词直接加s, 如boy—boys男孩 toy—toys 玩具
以辅音字母(除 a e i o u 外)加y结尾的名词,变y为i再加es 如baby—babies family—families
以“f或fe”结尾,多数变f或fe为v, 再加-es,如:knife-knives leaf life, wife, calf,thief, wolf, shelf, half
但有一些除外,以f结尾的名词,+S的: gulf- gulfs roof – roofs , chief, serf, belief, reef, hoof, proof, cliff, stuff
两种方法均可以的,如scarf,handkerchief, dwarf, handkerchief
以o结尾的名词,多数加es: negroes, heroes, tomatoes, potatoes.
以下两种情况除外
(1)凡词尾以两个元音结尾的词(a, e, i, o, u的任两个组合)则加 -s.如:zoos, bamboos,coos, radios, studios.
(2)凡外来词则加 -s.如 photos,solos,pianos,kilos,tobaccos,Eskimos,photograph
一般情况下,直接加s.
某些外来词变复数:datum→data, medium→media, bacterium→bacteria, curriculum→curricula, criterion→criteria, phenomenon→phenomena. analysis→analyses, basis→bases, crisis→crises, diagnosis→diagnoses, forum-for a, directrix-directrices, stadium- stadia/ stadiums, aquarium
-- aquaria /aquariums
不规则:
man-men, woman-women,
policeman-policemen, policewoman-policewomen,
mouse-mice, louse-lice
child-children
foot-feet,. tooth-teeth
fish-fish,
sheep- sheep, deer-deer people-people, Chinese-Chinese, Japanese-Japanese