2) 以o, x, s, sh, ch 结尾+es , 如: box-boxes, class-classes, glass-glasses, coach-coaches, dress-dresses, fax-faxes, inch-inches, match-matches,
3） 辅音字母加y结尾，把y改为i ，+es， 如：baby-babies, lady-ladies, factory-factories, peach-peaches, library-libraries, watch-watches ,
4） 以f或fe结尾，把f或fe，改为v+es: leaf-leaves, knife-knives, wife-wives, shelf-shelves, …
5） 特殊: man-men, policeman-policemen, woman-women, child-children, goose-geese, tooth-teeth, foot-feet,
6) 不变: hair, milk, tea, coffee, water, bread, rice, paper, juice, meat, people, fish, sheep, …
2） 名词所有格，表明是“谁的” 如： my cousin’s , his parents’
它的构成规则： 单数名词后+“ ’s”， Mike’s mother.
复数名词词尾有，其后只+“ ’”，Teachers’ Da教师节.
若是两人共有时，只在后者+ “’s ”,
Jim and Tom’s mother.吉姆和汤姆的母亲。
不是两者所共有的，两者都+ “ ’s ”,
Jim’s and Tom’s mother.吉姆母亲和汤姆的母亲。
名词若是无生命，所有格构成用of, a map of China.一幅中国地图
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