(一)名词单复数

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

不可数名词的复数就是原型：paper, juice, water, milk, rice, tea，bread

单复数同型：

Chinese,Japanese,sheep,deer,fish

我们来看下练习：

名词单数变复数练习

box_________pencil____________watch______

star__________door________flower________

window_________bag_________book________

dog____________cat__________tree_________ people_______girl_____________man_______

woman___________policeman______tooth__

doctor_________teacher__________child____

class________student__________eye________

ear_________photo_______map___________

desk__________half_________bird_________

wolf________family________sheep________

baby_______bus_________cloth________

key________tomato__________mouse_______

dish_________eraser_________apple________