六年级英语专题(一):名词的数和所有格一、 名词分为:可数名词,不可数名词。二、 可数名词复数规则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 half-halves(一半) (thief ,wife ,life ,shelf ,knife ,leaf ,self ,half ,wolf) 注意有少数词后直接加s,如roof-roofs (屋顶) 5不规则名词复数:man-men, woman-women, policeman-policemen,policewoman-policewomen, mouse-mice