七年级英语专项训练----名词
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七年级英语上册专项训练--------名词
【知识讲解】名词变复数
1.1 名词复数的规则变化
1.2 其它名词复数的规则变化
1)以元音字母+y 结尾的名词变复数时,直接加s变复数。例如:
男孩boy--- boys |玩具toy---toys |猴子monkey---monkeys 假期holiday---holidays 2)以o字母结尾的名词,变复数时:
a.加s,如:照片photo---photos钢琴piano---pianos 收音机radio---radios动物园zoo---zoos;
b.加es,如:土豆potato--potatoes 西红柿tomato—tomatoes 英雄hero---heroes
c.上述a和b两种方法均可,如zero---zeros / zeroes。
3)以f或fe字母结尾的名词变复数时:初中阶段:先把f , fe 变为v,然后再加es,如:一半half---halves 小刀knife---knives 树叶leaf---leaves 狼wolf---wolves
妻子wife---wives 生命life---lives 小偷thief---thieves 书架shelf---shelves
1.3 名词复数的不规则变化
1. “oo常常变ee,男人女人a变e”
例如: foot→feet脚;tooth→teeth牙齿;man→men男人;woman→women女人;2.单复数相同:“羊鱼小鹿无变化,单数复数是一家”
例如: sheep→sheep绵羊;fish→fish鱼;deer→deer鹿;
3.不规则变化:child→children孩子;mouse→mice老鼠;German→Germans德国人;
4“某国人”的复数有三种类型:口诀“中日不变英法变,其它S加后边”
(1)Chinese, Japanese单数复数同形,不需加s;
(2)Englishman, Englishwoman, Frenchman, Frenchwoman复数要把man 变为men;
(3)其他各国人以–an, -ian收尾的均直接加s。如:
美国人Americans, 澳大利亚人Australians, 加拿大人Canadians,俄罗斯人Russians
5.表面是单数,但实际是复数。例如: people人们 police 警察
6.表面是复数,但实际是单数。例如:
maths 数学, physics 物理, news新闻,这三词是不可数名词,为单数。
7.常常以复数形式出现的名词:
glasses眼镜 clothes服装 shoes鞋 socks短袜 trousers裤子 gloves手套若表达这些词的具体数目时,要借助数量词 pair(对,双); 如 a pair of glasses 【练习】
1.写出下列各词的复数形式
二、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
( )2. This kind of vegetable very healthy for you.
A. is B .are C .were D .has
( )3. There are four and two in the group.
A. Japanese, American B Japaneses, American C. Japanese, Americans
( )4. That’s art book. A. an B. a C. the
( )5. The boys have already.
A. two bread
B. two breads
C. two pieces of bread
D. two piece of bread ( )6. The old man wants .
A. six boxes of apples
B. six boxes of apple
C. six box of apples
( )7. There some in the river.
A. is ,fish
B. are, fishs
C. is, fishs
D. are ,fish
( )8. There two in the box.
A. is ,watch
B. are, watches
C. are, watch
D. is, watches
( )9. We should clean twice a day.
A .our tooth B. our tooths C. our teeth
( )10.The _____ meeting room(会议室) is near the reading room(阅览室).
A. teacher
B. teacher’s
C. teachers’
D. teachers
情况构成方法读音例词
清辅音后读/s/map-maps 一般情况加–s
浊辅音和元音后读/z/bag-bags/ car-cars
以s, x,ch, sh,等
结尾
加-es读/iz/bus-buses /watch-watches 以ce, se, ze,等结
尾
加-s读/iz/License - licenses
以辅音字母+y结尾变y 为i再加es读/z/baby---babies