精选优质文档-倾情为你奉上1、 名词复数规则1一般情况下,直接加-s,如:book-books, bag-bags, cat-cats, bed-beds2以s. x. sh. ch结尾,加-es,如:bus-buses, box-boxes, brush-brushes, watch-watches3.以“辅音字母+y”结尾,变y为i, 再加-es, 如:family-families, strawberry-strawberries 以“元音字母+y”结尾,直接加s,如:boy - boys ,day - days4. 以“f或fe”结尾,变f或fe为v, 再加-es,如:knife-knives5. 以o结尾的单词: 有生命的+es , 无生命+s 如:potato-potatoes ; hero-heroes;mango-mangoes photo-photos ; radio - radios ; video - videos6. 不规则名词复数: