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Unit 5 It must belong to Carla.
Part 1: Teaching design (第一部分：教学设计)
Structures: Must, might, could and can’t for making inferences
Target language: Whose volleyball is this?
It must be Carla’s. She loves volleyball.
It could be Ted’s.
Vocabulary: picnic, chase, escape, belong to, toy car, plate, mystery, appointment, worried, wake, neighbor, garbage
Learning strategies: Sequencing, Deducing
SECTION A
Goals
●To learn must, might, could and can’t for making inferences
●To listen and speak making inferences
Procedures
Warming up by learning about modal verbs
Modal verbs are used to express ideas such as possibility, intention, obligation and necessity.
CAN, COULD, WILL, WOULD, SHALL, SHOULD, OUGHT TO, DARE and NEED are some examples.
eg: I would have told you, if you had wanted me to.
eg: Yes, I can do that.
must
certainty 1. That must be Jerry. They said he was tall with bright red hair.
2. That must have been the right restaurant. There are no other restaurants on this street.
3. NO FUTURE FORM 1. That must not be Jerry. He is supposed to have red hair.
2. That must not have been the right restaurant. I guess there is another one around here somewhere.
3. NO FUTURE FORM have to
1a Looking and writing
Hello, class. On page 34 is a picture with many things in it. Write the things you see in the correct columns in the chart.
1b Listening and matching
You are going to listen and match on page 34 each person with a thing and a reason. Pay attention to the use of MUST in the sentences.
Tapescript
Girl 1: Whose volley ball is this?
Boy 1: It must be Carla’s. She loves volley ball.
Girl 2: Oh, that toy car must belong to Jane’s little brother. He was the only little kid at the picnic. And the magazine must belong to Dengwen. He loves cats.
Boy 1: Oh, and look, someone left a book.
Girl 2: Oh, yeah… This book must be Mary’s. Hemingway is her favorite author.
Girl 1: OK… and how about this CD?
Girl 2: Hmmmm… The CD must belong to Grace. She always listens to classical music.
1c Doing pairwork
In pairs practice the conversation in the picture on page 34
Then make conversations using information in the chart in 1b.
Whose volleyball is this? It must be Carla’s. She loves volleyball.
Whose books are these? They must be Mary’s. The man is her favorite author.
Whose CD is this? It must be Grace’s. She likes listening to classical music.
Next is the conversation making inferences.
Girl 1: Whose toy car is this?
Boy 1: It must be Deng Wen’s. He loves toy car.
Girl 2: Oh, that CD must belong to Grace’s little brother. He was the only little kid at the picnic. And the book must belong to Grace. He loves cats.
Boy 1: Oh, and look, someone left a magazine.
Girl 2: Oh, yeah… This magazine must be Carla’s. She likes reading magazine in English.
Girl 1: OK… and how about this volleyball?
Girl 2: Hmmmm… The volleyball must belong to Mary. She always plays volleyball after school.
2a Listening and writing
Bob and Anna found a backpack outside their school gate. Listen to their conversation and write down the things found in the backpack. Pay attention to the uses of modeal verbs making inferences.
Tapescript
Bob: Oh, look! Whose backpack 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 Kumi’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 backpack could belong to Rita. She’s always forgetting things.
Bob: Then it must be Linda’s backpack. She has long hair and she’s on the tennis team.
Bob: You’re right!
2b Listening and filling
Next you are to listen to the tape once again. Fill in the blanks with modal verbs you hear used to making inferences.
2c Filling and telling
On page 35 is a chart in which you will see 8 sentences. A word is missing from each sentence. Fill in a word from this unit.
The notebook must be Ming’s. It was on her desk.
The homework can’t be Carol’s. She wasn’t at school today.
The soccer ball might be John’s or Tony’s. They both play soccer, don’t they?
The French book must be Li Ying’s. She’s the only one who’s studying French.
I can’t find my backpack. It might be still at school.
The photo must be Lu’s. Those are his parents.
The red bicycle can’t be Hu’s. She has a blue bicycle.
This ticket might be my aunt’s or uncle’s. They’re both going to the concert.
3a Reading, numbering and circling
On page 36 you see a box. In it is a thank-you message from Linda to Anna. Read it, number the 5 parts and circle the words you don’t know.
Subject: Thanks!             From: Linda
_④_ If you have any idea where it might be, please call me.
_②_ I think I dropped it during the concert so it might still be in the symphony hall.
_⑤_ I tried to call you but your mom said you were still at your optometrist appointment ( I hope you new glasses look nice!).
_③_ I really need it because I have a math test on algebra tomorrow. It’s crucial that I study for it because it counts 30% to the final exam.
_①_ I’m really anxious, because I can’t find my backpack.
Thanks,
Linda
3b Doing pairwork
In pairs talk about the words you don’t understand. You can use “can’t”, “must”,” could” or “might”.
A: What do you think “anxious” mean?
B: Well, it can’t mean “happy”.
A: It might mean “worried”.
B: Oh, yes. She’s worried because of her test.

A: What do you think “concert” mean?
B: Well, it can’t mean “music”.
A: It might mean “a performance of music by players or singers”.
B: Oh, yes. She was in the symphony hall.
4 Doing pairwork
In pairs talk about the things from the backpack on page 37. You are going to make guesses about the owner of the backpack.
A: Here’re some earrings. The owner can’t be a boy.
B: Well, it could be a boy. The earrings might be a present for his mother.
A: Here’s a school T-shirt. The owner must be a student.
B: Well, it could be a classmate of ours. The school T-shirt is the same as ours.
A: Here’s a hair band. The owner can’t be a boy.
B: Well, it could be a boy. The hair band might be a present for his mother.
Closing down by looking and saying
Look at the picture below and say what is happening in the classroom.

SECTION B
Goals
●To learn Must, might, could and can’t for making inferences
●To use Must, might, could and can’t for making inferences in listening, speaking, reading and writing
Procedures
1 Looking and writing
Hello, class. Have you ever seen any UFOs or aliens? What are they? How do they look?
Now turn to page 37, look at the pictures and write a sentence about each picture. Use Must, might, could and can’t for making inferences. 

                                 
The UFO is land. It is coming down from the sky!
The terrible, ugly, frightening alien is chasing the two people.
The frightened man is looking back at the alien.
A woman with camera is shooting films.
They must be making a movie.
…
2a Listening and numbering
To know more about the UFO and aliens you shall listen to a recording. While listening pay attention to the uses of Must, might, could and can’t for making inferences and try to number the pictures on page 37.
Tapescript
Man: Hey, look at the man running down the street. I wonder what’s happening?
Woman: He could be running for exercise
Man: But he’s wearing a suit.
Woman: Well, he might be late for work.
Man: He looks kind of scared.
Woman: Oh, no! What’s that?
Man: Where?
Woman: There’s something in the sky.
Man: It could be a helicopter.
Woman: No, it cant’ be a helicopter. It’s too big. It must be a UFO.
Man: A UFO? What’s going on?
Woman: Look, now the UFO is landing…
Man: And there’s a strange creature getting out. It must be an alien.
Woman: And the alien is chasing the man! I must be dreaming.
Man: Maybe we should call the police. (pause) Hey, wait a minute. What’s that?
Woman: Where?
Man: Over there.
Woman: It’s a woman with a camera.
Man: She could be from the TV news.
Woman: No, look at all those other people. They’re actors. Oh! They must be making a movie.

2b Listening and completing
You are going to listen to the tape again and complete the sentences in the box on page 37. Use Must, might, could and can’t for making inferences. 
They see… The man says… The woman says…
1. a man running He could be running for exercises. He might be late for work.
2. something in the sky It could be a helicopter. It must be a UFO.

3. a strange creature It must be an alien. I must be dreaming.
4. a woman with a camera She could be from the TV news.
 They must be making a movie.
2c Doing pairwork
In pairs role play the conversations between the man and woman. Use Must, might, could and can’t for making inferences. 
A: Why do you think the man is running?
B: He could be running for exercise.
A: No, he’s wearing a suit. He might be running to catch a bus.
B: There’s something in the sky. It could be a helicopter.
A: No, it cant’ be a helicopter. It must be a UFO.
B: And there’s a strange creature getting out. It must be an alien.
A: I must be dreaming.
B: Look, there’s a woman with a camera.
A: She could be from the TV news.
B: Oh! They must be making a movie.
3a Reading and underlining
There’s a newspaper article here on page 38. Read it, underline what causes the strange things and circle all the expressions used.
Strange events in Bell Tower neighborhood
Our neighborhood used to be very quiet. However, these days, strange things are happening in our neighborhood and everyone is unhappy. Zhou Gu, the local school teacher is extremely worried. When he was interviewed by the local newspaper, he said, “Every night we hear strange noises outside our window. My wife thinks that it could be an animal, but my friends and I think it must be teenagers having fun. My parents called the police, but they can’t find anything strange. They think it might be the wind. I don’t think so！”
Zhou’s next door neighbor Qi Hui is unhappy too. “At first, I thought it might be a dog, but I can’t see a dog and I still hear the noises outside.” Everyone in our neighborhood is worried, and everyone has his or her ideas. There must be something visiting the homes in our neighborhood, but what is it?
3b Writing another paragraph