Unit 8 It must belong to Carla. Section A (2a~2d)课件(共23张PPT，内嵌音频) 人教版英语九年级全册

(共23张PPT)
Unit 8
It must belong to Carla.
Section A (2a-2d)
Whose pencil box is this
Tony
It must be ___________.
=It must belong to __________.
Tony’s
Tony
*belong to “属于”
Who is in the house
Mr Green has gone abroad.
It can’t be Mr Green .
Whose magazine is it
I am not sure .
It might/could be Larry’s .
It mignt /could belong to Larry.
Use “must” to show that you think something is probably true.
Use “might” or “could” to show that you think something is possibly true.
Use “can’t” to show that you are almost sure something is not true.
Tips
Linda
dislike
Pairwork:
Carla
like
Judy
Jean
Bob
Things in the schoolbag
__________________________
__________________________
__________________________
2a Bob and Anna found a schoolbag at the park.
Listen and write down the things in the schoolbag.
T-shirt
hair band
tennis balls
1. The person ________ go to our school. 2. The person _________ be a boy. 3. It __________ be Mei’s hair band. 4. The hair band _________ belong to Linda. 5. It _________ be Linda’s schoolbag. Use “must” to show that you think
something is probably true.
Use “might” or “could” to show that you think something is possibly true.
Use “can’t” to show that you are
almost sure something is not true.
2b Listen again. Fill in the blanks.
can’t
must
could
might
must
2b Listen and follow. Pay attention to the pronunciation, intonation and ton.
Bob: Hey, look! Whose schoolbag do you think this is
Anna: I don’t know. Look, here’s a school T-shirt.
Bob: Well then, the person must go to our school. Oh! Here is a hair band, so the
person can’t be a boy.
Anna: It could be Mei’s hair band. She has long hair.
Bob: Or the hair band might belong to Linda. She was at the picnic, wasn’t she
Anna: Yes, she was. But then the schoolbag could belong to Rita. She's always
forgetting things.
Bob: Oh, look! Tennis balls.
Anna: Then it must be Linda’s schoolbag. She has long hair and she’s on the
tennis team.
Bob: You’re right!
2c Make conversations using the information in 2a and 2b.
Look! There’s a schoolbag here.
What’s inside
There’s a T-shirt, …
Pairwork
Look! There’s a
schoolbag here.
What’s inside
There are tennis
balls, ...
It must be Linda’s
schoolbag.
Pairwork
1. Whose schoolbag is lost
2.What’s in the schoolbag
3.Where did she go yesterday
Linda’s
There are some books, her pink hair band and some tennis balls.
She went to the music hall and the park.
Read the conversation and answer the questions.
2d
Reading
Eplaination
anything valuable 一些贵重的东西
当形容词修饰不定代词something, anything, nothing等时, 形容词应放在不定代词的后面。
must在此处表示推测, 意为“一定”。英语中当情态动词后接have done时, 表达对过去的事情进行推测, 故must have done something表示“过去一定做过了”这样的意思。
e.g. The light in the room is already on. She must have come.
Role-playing
情态动词表示推测
We use __________ when we are sure that something is ture because there’s very strong evidence（证据）.
We use ________________ when we think something is possible,but we are not sure.
We use ____________ when we feel sure something is not ture.
一定
不可能
must
could/might
can’t
也许，可能
Practice
1.—Excuse me, whose book is this
—It＿＿be John’s. It has his name on it.
　A. must　 B. need　 C. can’t D.could
2.The man____be my English teacher. He has gone to Canada.
　A. might　 B. must　 C. can’t D.can
A
strong evidence
C
feel sure it is not ture
3.—I think the girl under the tree must be Alice.
—No, it＿＿be her. She’s in the gym now.
　A.can’t B.mustn’t C.may D.must
5.Martin＿＿get here in time, but I am not sure.
　A.must B.might C.can’t D.should
Practice
A
feel sure it is not ture
B
possible
情态动词表示推测可以分为以下几种情况:
1.情态动词+ do
此结构表示对现在或将来情况的推测和判断
—Do you know where she is now
—I think she might travel in Beijing.
2.情态动词+ be doing
此结构表示对现在或将来正在进行的情况的推测和判断。
At this moment, my father can’t be working in the office.
3.情态动词+ have done
此结构表示对过去情况的推测和判断。
The road is wet. It must have rained last night.
4.情态动词+ have been doing
此结构表示对过去正在进行的情况的推测和判断。
Your mother must have been looking for you at that moment.
Exercises
根据句意及首字母或汉语提示完成句子
1. Everyone likes to a_________Mr. Smith’s classes. They are always interesting and lively.
2. W___________ baseball is this Does it belong to Jim
3. Look! The r is eating a red carrot. How lovely the animal is!
4. We prepared a _______(野餐)and drove down by the river.
5. They lift the baskets of oranges onto the _______(卡车).
ttend
hose
abbit
picnic
truck
Exercises
用括号中单词的适当形式填空
1. China’s fight against COVID-19 gives the world ________ (value) experience.
2. The new tennis racket must be _______ (her).
3. I am sorry I _______ (leave)my keys at home.
4. Parents are always _________(worry)about their children too much.
5. I will call Lin Tao __________(invite)him to my birthday party.
valuable
hers
left
worried
to invite
Exercises
(Sally finds a schoolbag on the playground. When she picks it up, she sees Linda coming to her.)
Sally: Excuse me. ______
Linda: No, it isn’t. Mine is in the classroom.
Sally: _______
Linda: I’m not sure. Maybe it’s Kate’s. _______
Sally: It can’t be hers. Hers is red, but this one is blue.
Linda: Let’s see what is in the schoolbag. Oh, there is a hair band in it.
Sally: ______ Sonia has long hair, and she always forgets things.
Linda: There’s also a table tennis ball in the schoolbag.
Linda: Then it must be Sonia’s. She is on the school table tennis team.
Linda: We’ll give it to her. Where is she
Sally: _______
Linda: OK. Let’s give it back to her.
F
D
A
G
B