资源简介

(共28张PPT)
Unit 2
Lesson10 How Many Are There
School in Canada
Lead in
Let’s sing a song
Is it wet or dry outside today
Is it hot or cold
Is it cloudy
What is the temperature today
Do you like this kind of weather Why
Lead in
Free talk
Guess words by looking at pictures
Lead in
four pencils
Lead in
two chairs
Guess words by looking at pictures
Lead in
two boxes
Lead in
six buses
Lead in
five tomatoes
Lead in
four potatoes
Lead in
one photo
Presentation
Look at the pictures in Lesson 10.
Who can guess what this lesson in about
Yes. It’s about making plural nouns.
Presentation
Look at new words
word/w d/单词；字；话语
He knows this word.
w
d
or
difference / d fr ns/差别
di
ffe
ren
ce
I can see differences.
Presentation
Pencils and chairs
1
Can you find the differences
This is one pencil.
This is a chair.
These words have no s.
These are many pencils.
These are many chairs.
These words have an s.
Text Reading
Presentation
This is one pencil.
This is a chair.
These are many pencils.
These are many chairs.
Can you find the differences
These words have no s.
These words have an s.
Presentation
pencil
--- pencils
chair
--- chairs
可数名词单数变复数的规则①
一般情况下，可数名词变复数是直接在单词词尾加-s。
blackboard
--- blackboards
window
--- windows
door
--- doors
crayon
--- crayons
eraser
--- erasers
student
--- students
Text Reading
This is a box.
Boxes and buses
2
This is a bus.
These words have no es.
These are many boxes.
These are three buses
These words have an es.
Presentation
This is a box.
This is a bus.
These are many boxes.
These are three buses
These words have no es.
These words have an es.
Presentation
box
--- boxes
bus
--- buses
可数名词单数变复数的规则②
以“sh, ch, s, x”结尾的名词变复数时,一般直接在词尾加-es 。
wich
--- witches
dress
--- dresses
dish
--- dishes
fox
--- foxes
class
--- classes
gas
--- gases
Text Reading
This is a tomato.
Tomatoes, potatoes
and photos
3
This is a potato.
These are many tomatoes.
These are many photos.
These are many potatoes.
Presentation
This is a photo.
Do you see an s or an es in these words Yes!
This is a tomato.
This is a potato.
These are many tomatoes.
These are many photos.
These are many potatoes.
This is a photo.
Do you see an s or an es in these words Yes!
Presentation
tomato
--- tomatoes
potato
--- potatoes
可数名词单数变复数的规则③
以辅音字母加o结尾的名词变复数,一般在词尾加-es, 读为 /z/ 。photo是一个例外,其复数形式是photos。
radio
--- radios
zoo
--- zoos
photo
--- photos
以元音字母加o结尾的名词变复数,一般在词尾加-s。
Text Reading
This man is old.
Men,women and children
4
This woman is dancing.
These men are young.
These children are playing.
These women are singing.
Presentation
This child is walking.
Do you see an s or an es in these words No!
This man is old.
This woman is dancing.
These men are young.
These children are playing.
These women are singing.
This child is walking.
Do you see an s or an es in these words No!
Presentation
man
--- men
woman
--- women
可数名词单数变复数的规则④
上文中出现的men, women和children属于不规则的名词复数变化形式。
child
--- children
Presentation
构成法 例词
单复数同形 sheep — sheep 绵羊　 deer— deer 鹿　
Chinese— Chinese 中国人　 Japanese—
Japanese日本人　 fish— fish 鱼
变内部元音: a变成e oo变ee man — men 男人　foot — feet 脚　tooth — teeth 牙齿　 goose— geese 鹅
词尾发生变化 child — children 孩子 mouse— mice 老鼠
有一些名词只有复数形式 pants长裤 scissors 剪刀 shorts短裤　
glasses 眼镜
Presentation
Key Sentences
How many kites are there in the sky
There are five kites.
Key Sentences
These are many books on the desks.
Practice
单数 复数 单数 复数
book sheep
door foot
class child
dish man
hero Chinese
radio mouse
bus brush
watch photo
books
doors
sheep
feet
classes
children
dishes
men
heroes
Chinese
radios
mice
buses
brushes
watches
photos
Practice
根据句意,写单词。
1.This is a photo. These are many ____________.
2.This is a bus. These are many ____________.
3.This is a tomato. These are many ____________.
4.I have a box. I have many_______________.
5.I have a brother. I have many_______________.
6.I have a pen. I have many_______________.
photos
buses
tomatoes
boxes
brothers
pens
Summary
word
difference
There are four girls .
How many girls are there in the class
可数名词单数变复数的规则
规则变化 不规则变化
一般情况下直接在单词词尾加-s 单复数同形
以“sh, ch, s, x”结尾的可数名词一般直接在词尾加-es 单词内部元音a变为e, oo变为ee
以辅音字母加o结尾的可数名词一般在词尾加-es 词尾发生变化
以元音字母加o结尾的可数名词一般在词尾加-s

展开更多......

收起↑