1、一般情况下，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(单复数形式不变)

bread, rice, water ,juice etc.

今天就和大家就分享到这，祝各位愉快！