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-knives5不规则名词复数:man-men, woman-women, mouse-micechild-childrenfoot-feet,.tooth-teeth,fish-fish,sheep-sheep, deer-deer, people-people, Chinese-Chinese, Japanese-Japanese, 写出下列各词的复数I _him _this _her _watch _ ph