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s后面加什么

s后面加什么

1、一般情况,直接加-s,如book-books, bag-bags, cat-cats, bed-beds.

2、以s、x、sh、ch结尾,加-es,如bus-buses, box-boxes, brush-brushes, watch-watches.

3、以“辅音字母+y”结尾,变y为i,再加-es,如family-families, strawberry-strawberries.

4、以“f或fe”结尾,变f或fe为v,再加-es,如knife-knives.

5、不规则名词复数

man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice,child-children, foot-feet, tooth-teeth, fish-fish, people-people, Chinese-Chinese, Japanese-Japanese.

6、不可数名词的复数就是原型 paper, juice, water, milk, rice, tea.