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1、名词单数变复数 Whats this in English? Its an apple. What are these? They are two apples. -What are these? -Whats this? -Its a pen. -They are pens. -What are those? -Whats that? -Its an English book. -They are English books. watchesorangespens -Whatre these ? -Theyre . 名词 一名词分可数名词和不可数名词 1. 可数名词 个体名词都是可数名词。每
2、个可数名词都有其单 数和复数形式。 A. 单数：表示“一个”的概念。用名词的单数时， 名词前需加 a 或 an。 如：a book（一本书）， an apple（一个苹果）， an orange（一个橘子） B. 复数：表示两个或两个以上的物体。 如：two pencils（两枝铅笔）， three weeks（三周）等。 1.一般情况下，直接在词尾加-s 构成复数形式。 如：book-book s, bag-bag s, cat-cat s, bed-bed s name pen card ruler names pens cards rulers box 2. 以s, x, ch, sh等
3、结尾的名词， 在词尾加-es构成复数形式。 boxes classclasses watchwatches brushbrushes s x sh ch 2. busbuses foxesfox (狐狸) dish (盘子) dishes peachpeaches sandwichsandwiches 3. 以“辅音字母+y”结尾的名词， 应改y为i，再加-es。 familyfamilies babiesbaby y y l b 4. 以“元音字母+y”结尾的名词， 直接在词尾加-s构成复数形式 。 boyboys daydays o a y y 4. key cities strawber
4、ries keys city strawberry (草莓) partiesparty 5. 以f或fe结尾的名词，先将f或 fe变成v，再加-es构成复数形式 。 knifeknives leavesleaf (树叶) 以o结尾的名词, 表示无生命事物的名词，词尾加-s, 表示有生命事物的名词，词尾加-es 。 加-es的名词有: potato, tomato, Sum up: 1.一般情况下,直接在名词词尾加-s. 2.以s,x,sh,ch结尾的名词,在词尾加-es. 3.以辅音字母加y结尾的名词，要变y为i再加-es. 5.以f 或 fe结尾的名词，先将f或 fe变为v,再加- es.
5、6.以o结尾的名词,表示无生命事物的名词加-s, 表示有生命事物的名词加-es。 4.以“元音字母+y”结尾的名词，直接在词尾加-s . 不可数名词：不可数名词： 有些词在汉语中可数,在英语中却不可数。 如：bread（面包）等。 此类不可数名词要表示“一”这个概念时,需用其 它方式表达,数词+量词+OF+名词。 如: a piece of bread 等。 注意事项： 不可数名词总是用单数的形式。 不可数名词一般没有复数形式。 不可数名词前，不要加数字。 this that I you he / she / it am / is these those we you they are 单数
6、复数 句子单数变复数 1. This is a book. 2. That is an eraser. 3. It is a red apple. 4. I am a boy. 5. He / She is a teacher. 6. Whats this ? These are books. Those are erasers. They are red apples. We are boys. They are teachers. Whatre these ? 复数句子变单数句子 These are flowers. 单数 一般疑问句,并作肯定回答: 划线提问: : This is a f
7、lower. Are these flowers ? Yes, they are. What are these ? v写出下列各词的复数 I _ him _ this _ her _ watch _ child _ day _ foot _ book _ dress _ we them thesethem watcheschildren daysfeet booksdresses v写出下列各词的复数 tooth _ sheep _ box _ strawberry _ you _ peach _ sandwich _ man _ woman _ paper _ juice _ water
8、_ milk _ rice _ tea _ teethsheep boxes strawberries youpeaches sandwiches men women paperjuice water milk ricetea 小学英语语法 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 after two_ (baby) 4.My father likes to eat_ (potato). 5.Chinese_ (peo
9、ple)like to eat noodles. chairschairs tomatoestomatoes babiesbabies potatoespotatoes peoplepeople 小学英语语法 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). toystoys dishesd
10、ishes Pencil-boxesPencil-boxes busesbuses feetfeet 小学英语语法 三、选择填空 ( )1I can see three _ in the zoo. A monkeies B monkeys C monkey ( )2. The pig has four _. A. foot B. feet C. foots ( )3. I can see ten _ in the picture. A. sheep B. dog C. pig ( )4. The _ has three_. A.boys, watches B. boy, watch C. bo
11、y, watches ( )5. Can you see _on the plate? A. bread B. breads C. breades B B B B A A C C A A 小学英语语法 ( )6. Mr Black often drink some _. A. milk B. milks C.milkes ( )7. There are some _on the floor. A. child B. man C. books ( )8. Lucy will have some _. A. photo B. photos C. photoes ( )9. I need a pen and some _. A. books B. desk C. chair ( )10. There is some _ in the river. A. fish B. fishes C. fishs A A C C C C A A A A
