一、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-strawberries4以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives Leafleaves5不规则名词复数：man-men, woman-women, policeman-policemen, policewoman-policewomen,child-childrenfoot-feet,.tooth-teethfish-fish, people-people, Chinese-Chinese, Japanese-Japanese写出下列各词的复数I _him _this _
