新概念英语第一册15课语法名词单数变复数
|
40页
|
184人阅读
|
2人下载
普通
内容正文:
名词的“变身术”
单数 → 复数
1
1.什么是单数和复数
2.名词单复数的变化规则
3.趣味练习小游戏
CONTENTS
名词有很多种,我们今天只学习其中一种哦!—— 可数名词!
什么是可数名词?
结论:可数名词有单数和复数两种形式,我们今天学习的就是可数名词如何变成复数!
例子:
一个苹果 (an apple) → 两个苹果 (two apples)
一只狗 (a dog) → 三只狗 (three dogs)
一本书 (a book) → 五本书 (five books)
定义:就是可以一个一个数清楚的人或事物。
一、什么是单数和复数?
单数:一个
(人、物体、动物)
例: an apple
复数:两个或两个以上
(人、物体、动物)
例: three apples
cat
dog
book
apple
名词单复数的变化规则
cats
dogs
books
apples
练一练
car
pen
cars
pens
规则1 :一般情况直接在词尾加 s
5
bus
box
brush
watch
名词单复数的变化规则
buses
boxes
brushes
watches
练一练
fox
class
foxes
classes
规则2:以 s, x, sh, ch 结尾,加es
6
名词单复数的变化规则
规则3 : 以o结尾的名词,大部分加s,少数加es
常见加 es的词:tomato → tomatoes 西红柿
potato → potatoes 土豆
hero → heroes 英雄
photo
photos
zoo
zoos
tomato
tomatoes
potato
potatoes
7
baby
family
candy
名词单复数的变化规则
babies
families
candies
规则4:辅音字母 + y 结尾,变 y 为 i 再加 es
study
boy
studies
boys
如果 y 前面是 元音字母(a,e,i,o,u),直接加 s
8
leaf
knife
wolf
名词单复数的变化规则
leaves
knives
wolves
规则5: 以 f 或 fe 结尾的单词,一般去掉 f/fe,再加 ves
9
名词单复数的变化规则
规则6 : 单复数同形
sheep羊
fish鱼
deer鹿
例句:
Look! One sheep, two sheep, three sheep.
I see a fish, I see many fish.
注意:
fish 表示不同种类时可加 es(fishes),小学阶段一般用 fish 表示复数。
10
名词单复数的变化规则
规则7: 不规则变化(特殊记忆)
man
men
woman
women
child
children
这些名词不按规律变,需要单独记。
tooth
teeth
foot
feet
mouse
mice
11
名词变复有规律,一般情况加 s
s, x, sh, ch 结尾加 es
o 尾分有无生命,有 es 来无 s
辅音 y 变 i 加 es,元音 y 直接 s
f, fe 变 v 再加 es,roof 特例要记熟
特殊变化单独记,单复同形别乱改
HELP!
①选选看
亲爱的小朋友们:小丸子被海浪冲到无名岛上啦!选择正确即可拯救成功!
三、趣味练习题
13
A
B
1.I see three ______ in the park.
dogs
A.dog
B.dogs
C.doges
C
本组+1
A
B
C
2. There are two _______on the table.
A.box
B.boxs
C.boxes
boxes
本组+1
B
A
3.The _____________ are flying in the sky.
butterflies
A. butterflies
B. butterfly
C. butterflys
C
本组每人+10
16
A
B
C
4.My mom bought five ________for me.
A.candy
B. candys
C. candies
candies
本组+2
A
B
C
5. Look at those ________ on the tree.
A. leaf
B. leafs
C. leaves
leaves
本组+2
18
B
A
6.I brush my ________ every morning.
teeth
A. teeth
B. tooth
C. tooths
C
对方-1
B
A
7.The ________ are playing football.
men
A. men
B. mens
C. mans
C
对方-2
A
B
C
8.We saw many ________ on the farm.
A. sheepes
B. sheeps
C. sheep
sheep
本组+1
B
A
9. These ________ are old.
radios
A. radios
B. radioes
C. radioe
C
本组+1
A
B
C
10. I like eating two _________.
A. tomatos
B. tomato
C.tomatoes
tomatoes
本组每人+10
②特殊单复数练习
爷爷年纪大了,有些特殊的单复数单词记不清楚了,请你帮爷爷填上正确的复数形式吧。
24
男人们在搬运重物
man → ________
men
女人们在喝下午茶
woman → ________
women
child → ________
children
操场上有三个小孩在玩耍
小丸子要好好保护自己的牙齿。
tooth → ________
teeth
章鱼有好多只脚呀!
foot → ________
feet
家里进了好多老鼠!好害怕
mouse → ________
mice
农场里好多绵羊……
sheep → ________
sheep
小河里有好多条鱼啊!
fish → ________
fish
小丸子在公园里和小鹿们玩得很开心
deer → ________
deer
③改错题
找出错误并改正
下列句子中有一个名词复数形式写错了,请找出并改正。
改正:____________________
I have two cats at home.
2.I have two cat at home.
改正:___________________________
There are three buses on the street.
1. There are three bus on the street.
下列句子中有一个名词复数形式写错了,请找出并改正。
改正:_______________________
My sister likes eating candies.
4. My sister likes eating candys.
改正:___________________________
The leaves are falling from the tree.
3. The leafs are falling from the tree.
下列句子中有一个名词复数形式写错了,请找出并改正。
改正:___________________________
How many children are there in the room?
5. How many childs are there in the room?
改正:________________________
I brush my teeth every day.
6. I brush my tooths every day.
下列句子中有一个名词复数形式写错了,请找出并改正。
改正:___________________________
Look! Three sheep are eating grass.
7. Look! Three sheeps are eating grass.
改正:________________________
She has five watches on her desk.
8. She has five watchs on her desk.
下列句子中有一个名词复数形式写错了,请找出并改正。
改正:_____________________
There are many potatoes.
9. There are many potatos.
改正:____________________
These are my radios.
10. These are my radioes.
Goodbye!
40
$