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1、一、 可数名词单数变复数的变化规则：1一般名词复数是在名词后面加上“s”，如mapmaps， bagbags，book-books，banana-bananas，house-houses，desk-desks等； 2以s，x， sh， ch结尾的词加“es”，如busbuses， watchwatches, box-boxes,brush- brushes, match-matches，fox-foxes, class-classes等； 3以f或fe结尾的名词变复数时,去掉f， fe 加ves的名词有： halfhalves knifeknives leafleaves wolfwolves
2、 wifewives lifelives thiefthieves4以o 结尾的名词变复数时： a）加s的名词有（无生命）：photophotos ，pianopianos， radioradios b）加es的名词有（有生命）： potatopotatoes tomatotomatoes 5以辅音字母y结尾的词，变y为i加es，如babybabies, family-families, study-studies, story-stories, library-libraries等； buttferfly蝴蝶以元音字母 y结尾的名词变复数时，直接加s变复数，如monkeymonkeys， h
3、olidayholidays， storeystoreys（楼层）， boyboys， toytoys；6. oo变ee的单词：foot-feet, goose-geese, tooth-teeth； 7. a变e的单词： man-men, woman-women, policeman-policemen, snowman-snowmen; 8. 复数与原形一致的单词：fish-fish, sheep-sheep, deer-deer, Chinese-Chinese, Japanese-Japanese; People最特殊:表示人的时候，是可数名词，单复数一致；但是名族的是否+S；注：1.
4、fish指“鱼肉”时，是不可数名词；2.fish指“鱼的多少”时，是可数名词，但单数和复数同行；There are many fish in the river。3.fish强调鱼的“种类“时，复数是“fishes”。There are many kinds of fishes in the river。 9. 有些名词以-s结尾，但表达的是单数意义，例如：news，maths，politics，physics，the United States等。10.通常以复数形式出现的名词，例如：glasses，trousers，shoes，gloves，socks等，要表达他们的量时常用pair，例如
5、：a pair of glasses 一副眼镜；复数只需两次变复数，例如： two pairs of shoes11. 名词作定语时，不用复数形式，如：a shoe shop。如果要表示复数，则去掉不定冠词，把名词词组中的最后一个名词变成复数形式，如：an apple tree-apple trees例外：man，woman作定语时，如果后面的名词是复数，则man，woman也要跟着变复数。如：a woman teacher-three women teachers 常见的不可数名词： food, meat, fish, chicken, beef, drink, milk, water, h
6、omework, news, information, fun, work, Chinese, English, music等二、 所有格：形容词性所有格：主格Iyouheshetheyit宾格meyouhimherthemit所有格myyourhishertheirits名词性所有格mineyourshisherstheirsits（一）表示有生命的名词所有格 1. 在单数名词后加: s，如：the teachers office 2. 以-s结尾的复数名词后加: 如：the teachers office ，my friends 我朋友们的3. 不以-s结尾的名词复数后加: s，如：the
7、 Childrens Palace 4. 用and连接两个并列的单数名词表示共有时，只需在后一个并列名词词尾加“s”；如果不是，则需在各个并列名词后分别加“s”。如：John and Marys house(共有的一个房子), Johns and Marys house（各自都有一个不同的房子）（二）表示无生命的名词所有格 一般用“of +名词”表示，如：the capital of China （三）双重所有格 将s与of 结合一起使用构成双重所有格， 例如： a friend of my fathers 我父亲的一位朋友a photo of mine 我的一张照片一、写出下列名词的复数形式
8、 1、orange_2、class _3、monkey_4、piano_ 5、child _ 6、shelf _7、 bed_ 8、country_9、family_10、toy_ 11、 foot _ 12、radio_ 13、photo_ 14、tomato_ 15、woman_16、knife_ 17、sheep_18、ship_ 19、dish_ 20、mouse_ 二、用所给的单词的复数的正确形式填空： 1 There are three_(chair) in the classroom. 2 These_ (tomato) are red. 3 My brother looks a
9、fter two_ (baby) 4 My father likes to eat_ (potato). 5 Chinese_ (people)like to eat noodles. 6 I have a lot of _ (toy) in my bedroom.7 My mother wash_ (dish) in the kitchen. 8 I have two_ (pencil-box). 9 There are some_ (bus)in the street. 10 Monster has eight_ (foot). 三、选择填空 ( )1I can see three _ i
10、n the zoo. A. monkeys B. monkeys C. monkey ( )2. The pig has four _. A. foot B. feet C. foots ( )3. My two brothers are _. A. policeman B. policemans C. policemen ( )4. I can see ten _ in the picture. A. sheep B. dog C. pig ( )5. The _ has three_. A. boys, watches B. boy, watch C. boy, watches ( )6.
11、 Can you see _on the plate? A. bread B. breads C. breades ( )7. The girl often brushes her_ before she goes to bed. A. tooth B. tooths C. teeth ( )8. Mr. Black often drink some _. A. milk B. milks C.milkes ( )9. There are some _on the floor. A. child B. man C. books ( )( )10. Lucy will has some _. A
12、. photo B. photos C. photoes ( )11. I am drinking two _. A. cups of water B. cup of water C. cups of water s ( )12. The cat eats two _ on Monday. A. mouses B. mice C. mouse ( )13. I need a pen and some _.A. books B. desk C. chair ( )14. There are_ in the room. A. photos B. photoes C. photo ( )15. There is some _ in the river. A. fish B. fishes C. fishs ( )16. There_ two _in the box. A. is watch B. are watches C. are watch ( )17. We have to clean _ every day. A. our tooth B. our tooths C. our
