名词单复数

.名词单复数，定冠词，名词的格用法总结

（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

（二）名词的格

(1) 有生命的东西的名词所有格：

a) 单数后加 ’s 如: Lucy’s ruler my father’s shirt

b) 以s 结尾的复数名词后加 ’如: his friends’ bags

c) 不以s 结尾的复数后加 ’s children’s shoes

 并列名词中，如果把 ’s加在最后一个名词后，表示共有, 如:

Tom and Mike’s car 汤姆和迈克共有的小汽车

 要表示所有物不是共有的，应分别在并列名词后加’s

Tom’s and Mike’s cars 汤姆和麦克各自的小汽车

(2)表示无生命东西的名词通常用“ of ＋名词”来表示所有关系：如:

（1）不定冠词：a / an a unit / an uncle

元音开头的可数名词前用an :

a picture of the classroom a map of China

an egg / an apple / an orange / an eraser / an answer / an ID card / an alarm clock / an actor / an actress / an e-mail / an address / an event / an example / an

opera / an houran old man / an interesting book / an exciting sport / an action movie / an art lesson /

不用冠词的情况：

（1）专有名词前：China is a big country.

（2）名词前有定语：this , that , my , your , some, any , no 等：

This is my baseball.

（3）复数名词表示一类人和事：Monkeys can’t swim. They are teachers.

（4）在节日，日期，月份，季节前：Today is Christmas Day. It’s Sunday.

（5）一日三餐前：We have breakfast at 6:30.

（6）球类 棋类运动前：They often play football after class. He plays chess at home.

* 但乐器前要用定冠词：I play the guitar very well.

（7）学科名称前：My favorite subject is music.

（8）在称呼或头衔的名词前：This is Mr Li.

（9）固定词组中：at noon at night by bus