当前位置:首页 > 申请书大全 > 可数名词的单复数及练习
 

可数名词的单复数及练习

发布时间:2019-07-16 20:59:29 影响了:

三、可数名词的复数形式

一). 可数名词有单数和复数两种形式,以下是复数构成形式的部分规则。 1.一般情况------名词后面加上 -s

如map → maps, bag → bags

2.以s , sh , ch , x 等结尾的词------加-es

如bus → buses, box → boxes,watch → watches

3.⑴ 以辅音字母+y 结尾的词------变y 为i 加-es

如baby → babies,lady → ladies,country → countries

⑵ 以元音字母+ y 结尾的名词变复数时------直接加s 变复数

如toy → toys,monkey → monkeys, holiday → holidays

4.以-o 结尾的名词变复数时:

⑴ 加-s 的名词有:photo → photos ,piano → pianos, radio → radios, zoo → zoos ⑵ 加-es 的名词有:potato → potatoes ,tomato → tomatoes,hero → heroes,

Negro → Negroes

加-es 的记忆口诀:黑人英雄爱吃土豆西红柿。

5. 以f 或fe 结尾的名词变复数时:

⑴ 加s 的名词有: belief → beliefs,roof → roofs,safe → safes,gulf → gulfs ⑵ 去掉-f ,-fe 加-ves 的名词有:half → halves,knife → knives,leaf → leaves,

wolf → wolves,wife → wives,life → lives,thief → thieves

二). 不规则变化

1.改变单数名词中的元音字母;如:man → men,tooth → teeth,foot → feet

2.单复数形式相同;如:fish → fish,sheep → sheep,deer → deer

Chinese → Chinese,Japanese → Japanese

3.其他形式;如:mouse → mice

三). 其他变化

1.某国人变复数:

⑴ 中国人和日本人不变化

a Chinese → Chinese,a Japanese → Japanese

⑵ 英国人和法国人man 变men

an Englishman → Englishmen,a Frenchman → Frenchmen

⑶ 其余的在后面加上s 即可

a German → Germans, an Australian → Australians,an American → Americans 某国人复数变化口诀:中日不变英法变,其余s 加后面。

2.名词修饰名词时,若前面的名词是man ,woman ,变成复数时,构成复合名词的两个名词全都要变成复数形式

如:man teacher → men teachers,woman doctor → women doctors

3.字母、数字、引语或缩略词的复数形式是在气候加-‘s 或-s

如:two f’s 两个f ; many VIPs 许多重要人物

练习:

1)写出下列名词的复数形式

1、orange 2、class 3、text

4、monkey 5、piano 6、child

7、shelf 8、bed 9、country

10、family 11、toy 12、foot

13、Japanese 14、radio 15、photo

16、army 17、tomato 18、fox

19、woman 20、knife 22、sheep

2)选择填空

1. There on the wall .They are very beautiful.

A. are photoes B. are photos C. is a photo D. is photos

A. is B .are C .were D .has

A. Japanese, Germen B Japaneses, Germen

C. Japanese,German C.Japanese, Germans

4. That’s A. an B. a C. the D are

5. The old man wants A. six boxes of apples B. six boxes of apple

C. six box of apples D. six boxs of apples

A. is, fish B. are, fishs C. is, fishs D. are, fish

A. is watch B. are watches C. are watch D. is watches

twice a day.

A .our tooth B. our tooths C. teeth D. our teeth

3)单数句变复数句,复数句变单数句

1.This is my sister._________________________________

2.He is his friend .__________________________________

3.That is her dictionary.______________________________

4.Those are boxes._______________________________

5.They are teachers.________________________________

6.These are desks .________________________________

7.We are boys. _____________________________

8. I have a tooth, foot and hand.____________________________________

猜你想看
相关文章

Copyright © 2008 - 2022 版权所有 职场范文网

工业和信息化部 备案号:沪ICP备18009755号-3