(共40张PPT)
Unit 4 Shopping in the City
Lesson22
At the Supermarket
冀教版·四年级上册
Where is it
What do you want to do in it
Review
Where is it
What do you want to do in it
Where is it
What do you want to do in it
Where is it
What do you want to do in it
Where is it
What can you see
Supermarket
Lead in
potato
tomato
candy
bag
1 What′s this
/t 'mɑ t / n. (名词)西红柿
tomato salad 西红柿沙拉 tomato soup 番茄汤
例句：
复数：
短语：
I want to buy some tomatoes.
我想买一些西红柿。
Language points
tomatoes
/p 'te t / n. (名词)马铃薯；土豆
例句：
a small potato小人物
potato chips薯片
复数：
短语：
I like eating potatoes. 我喜欢吃土豆。
potatoes
黑人(negro)英雄(hero)爱吃西红柿(tomato)和土豆(potato)。
部分以 o 结尾的名词变复数时，词尾加 es
巧记：
/'k ndi/ n. (名词)糖果
The children like candy very much.
孩子们非常喜欢糖果。
例句：
/b ɡ/ n. (名词)包；袋
tea bag茶包 paper bag纸袋
shopping bag 购物袋 ice bag 冰袋
例句：
复数：
短语：
He bought a bag of apples yesterday.
他昨天买了一袋苹果。
bags
拓展
可数名词单数变复数的基本变化规则：
变化规则 例词
一般在词尾加 s。 book—books 书；dog—dogs 狗
以s，x，ch，sh结尾，在词尾加 es bus—buses 公共汽车；box—boxes 盒子
以“辅音字母＋y”结尾，变y为i，再加 es baby—babies 婴儿；family—families 家庭
以o结尾，在词尾加 es或 s potato—potatoes 土豆；zoo—zoos 动物园
以f/fe结尾，变f/fe为v，再加 es wolf—wolves 狼；knife—knives 刀子
Read and match
candy
potato
bag
tomato
2 At the supermarket
Hi, kids! Let′s buy some vegetables.
Great!
Okay!
I like tomatoes.
I like potatoes.
Mrs. Smith, I like candy, too.
Danny, candy isn′t good for your teeth.
How about some fruit
Okay.
Danny, don′t use that bag. We have our shopping bag.
Okay .
You are good kids.
Danny, candy isn′t good for your teeth.丹尼，糖果对你的牙齿不好。
用法：
这是一个含有be动词的否定句，即：在be动词的后面加not。 句中所包含的短语be good for意为“对……有好处”，for后面要加sb.或 sth .
Language points
How about some fruit 来些水果怎么样？
how about/ what about ……怎么样
例句：
短语：
/ 'ba t/ prep. (介词)关于；对于
This is a book about animals.
这是一本关于动物的书。
例句：How about some tea 来些茶怎么样？
How about playing the guitar 弹奏吉他怎么样？
用法：
句型结构：How about＋其他
(1) 用来向对方提出建议，相当于句型Would you like… 语气很委婉。
例句：How about the weather in Beijing
北京的天气如何？
(2) 当你提出了自己的想法，需要确定对方的想法时，可用这一句型。
例句：I′d like a glass of water. How about you
我想要一杯水。你呢？
(3) 可以用来询问天气。
Danny, don′t use that bag. 丹尼， 不要用那个包。
May I use your eraser
我可以用一下你的橡皮吗？
例句：
/ju z/ v. (动词)使用；利用
Don′t talk loudly in the library.
别在图书馆大声交谈。
句型结构：Don′t＋ 动词原形＋ 其他．
例句：
祈使句，省主语，只用谓语就可以。表示请求或命令，加上please表客气。Stand up, please.请起立。Come here.来这里。若要变成否定句，Don′t, No, Never打头是规律。
祈使句用法：
Pair work. Talk and write.
I want to buy some tomatoes, potatoes and candy. What do you want to buy
3 Let′s do it !
I want to buy...
Pair work. Talk and write.
Practice
I want to buy ...
apple, banana, orange
Pair work. Talk and write.
I want to buy ...
dress, hat
Pair work. Talk and write.
I want to buy ...
ball, toy bus
Pair work. Talk and write.
Exercise
一、看图，补全单词。
公园
1. p t t 2. t m t 3. p k 4. b g
o
a
o
o
a
o
a
r
a
二、选出与所给单词同类的一项。
( ) 1.tomato A. fruit B. potato C. vegetable
( ) 2.Mrs. A. Miss B. some C. hi
( ) 3.supermarket A. candy B. shop C. bag
( ) 4.your A. kid B. I C. our
( ) 5.that A. fruit B. this C. like
B
A
B
C
B
三、单项选择。
1. We are the supermarket.
A. to B. at C. on
2. Kim likes .
A. tomato B. potato C. tomatoes
B
C
3. use that bag.
A. Not B. Don′t C. Doesn′t
4. some candy
A. What B. How about C. How much
5.Candy isn′t good our teeth.
A. for B. at C. with
B
B
A
Summary:
Phrases: Tomato, potato, candy, bag, about, use
Sentences: I like tomatoes.
Candy isn′t good for teeth.
How about some fruit
Homework
1. Let′s listen and read!
2. Let′s make a shopping list.
End of lesson
