名词
1.表示人，事物， 地点名称的词叫做名词。
2.名词分为可数名词和不可数名词。可数名词有复数形式，不可数名词没有。lesson复数
3.以辅音因素开头的单词前面用a.      a desk        a book 
以元音因素开头的单词前面用an.    an apple    an English book
4.常见的不可数名词:bread  rice  chicken grass  milk  water juice 等。
5.不可数名词的表示: 数词+ 量词+of +名词
a  cup of tea    two cups of tea
6.名词复数变化规则：
1)一般情况直接加s. boy-boys
2)以辅音字母+y结尾的，变y为i再加es. candy-candies
3)以s,x,sh,ch结尾的加es.
bus-buses  box-boxes  dish-dishes watch-watches
4）以f或fe结尾的变f或fe为v再加es.leaf-leaves  knife-knives
5）以o结尾的有生命的加es,无生命的加s.
tomato-tomatoes  potato-potatoes photo-photos    piano-pianos
6）不规则：
man-men  woman-women  policeman-policemen  policewoman- policemen
foot-feet  tooth-teeth   
people-people  sheep-sheep  fish-fish  deer-deer
Chinese-Chinese  Japanese-Japanese
child-children  mouse-mice
7） apple tree -apple trees  woman doctor- woman doctors
7.名词所有格：
1)名词后加’s.以s结尾的直接加’s.表示东西是谁的。
  Colin’s mother      Teachers’Day
2)两个人共同拥有只给后者加’s.各自拥有给两个人都加’s.
Lucy and Lily’s room. (两人共同拥有一个房间)
Lucy’s and Lily’s rooms.(两人各自拥有一个房间，有两个房间）
一、写出下列单词的复数形式：
ice-cream ________      apple_______            snake______ 
pencil-box________      glass_________          dish________
knife_________          leaf__________          wife ________     
candy________          family__________        baby________      boy_________          monkey________        toy _______
tomato_________        potato________          photo________
man______              woman_________      policeman_______
foot________            tooth________          sheep__________
mouse_________        child__________        Chinese______
banana tree______      woman driver________    fish________
二、汉译英
一杯茶___________      两杯牛奶___________    三个苹果___________
一条短裤 ___________  两双袜子___________    一副眼镜  ___________         
Tom的妈妈 _________  我妈妈的大衣___________  Jim的房间 _________
儿童节___________      教师节___________      新年___________
苹果树___________      女教师___________      五只猴子___________
三、用所给词的适当形式填空：
1.There are four ______(season)in a year.
2.How many ______(month) are there in a year?
3.She eats too many _______(candy).
4.He drinks a lot of______(juice).
5.What about my_______(lesson).
6.He grows ________(tomato)and ________(potato)on the farm.
7.We should take care of _______(tree).
8.I will go to Beijing with my_________(parent).
9.There are many big ________(house) in it.
10.The grass______(be) green in spring.
11.I want to buy a pair of ________(shoe).
12.Lily and Lucy’s ______(room) is small but beautiful.
13.The_________(leaf) become yellow in autumn.
14.we can see a lot of _____(sheep) in the village.
15.You should brush your ________(tooth) every day.

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