名词单数变复数规则 1.一般情况下,直接加-s,如:book-books bag-bags cat-cats 2.以s. x. sh. ch结尾,加-es,如: bus-buses box-boxes watch-watches class →classes 3. 以“辅音字母+y”结尾的名词,变y为i,再加-es,如: baby-babies country-countries story→stories 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 4. 以o结尾的名词,变复数时: a. 加s, 如:photo---photos piano---pianos zoo---zoos b. 加es,如:potato--potatoes tomato--tomatoes c. 均可,如:zero---zeros / zeroes 5. 以-f或-fe结尾的名词,多将变f或fe为v, 再加-es,如: half---halves knife---knives leaf---leaves thief---thieves 例外,如: roof---roofs safe---safes gulf---gulfs 均可,如:handkerchief---handkerchiefs / handkerchieves 名词复数的不规则变化 1. 含有-man的单词,-man变为-men,如: man---men woman---women snowman---snowmen policeman---policemen child---children 2. 含有-oo的单词,-oo变为ee,如:foot---feet tooth---teeth goose---geese 3. 单复数同形,如:deer,sheep,fish,Chinese,Japanese, people 4. 只有复数形式,如:glasses (眼镜) trousers(裤子) clothes(衣服) 5. mouse---mice 本文来源:https://www.wddqw.com/doc/5a1d3ba426284b73f242336c1eb91a37f011325c.html