(共25张PPT)
Read in groups
A: Whose football is this
B: Bill’s
A: It might be Bill’s. Let’s ask him. Bill,
is this your football
C: No, it’s not mine.
A: Well, it isn’t Bill’s. He says it’s not his.
C: Is it Anna’s
A: Let’s ask her. Anna, is this your football
C: No, it isn’t.
A: So it’s not Anna’s football. And it can’t be Maria’s.
Because I didn’t take hers. Then whose football is it
B: Is it Lee’s
A: Yes, it doesn’t belong to Bill, Anna or Maria.
So it must be Lee’s.
Period 1 1a-2c
Section
A
Unit 8 It must belong to Carla.
To learn the new words: whose truck picnic rabbit
To learn to understand and use must, might, could and can’t for making inferences
To write, listen and speak about whom something belongs to
Liu xiang
-It______ be Liu Xiang’s.
-Whose exercise book is this
It must belong to Liu Xiang.
(属于)
Because it has his name on it.
must
-It_______ belong to Bush.
Because___________________
Bush
-Whose red bicycle is this
can’t
his bike is white and blue.
-It_______ be Bush’s.
can’t
Could this
T-shirt be
John’s
It can’t be John’s.
Because it’s much
too small for him
John
What does she do
She could/might be a/an______.
Look and say
nurse
What does she do
She could/might
be a/an ______.
teacher
What does he do
He could/might
be a/an ______.
doctor
情态动词must, might, could, can’t 后接动
词原形, 可以表示对现在的情况的推测.
must表示非常肯定的猜测
（nearly 100% probably true）
might /could 表示有可能的猜测。
（ 20%-80% possibly true）
can’t 表示肯定不可能。（0% almost not true）
1a
Look at the picture. Write the things you see in the correct columns in the chart.
Clothing Fun things Kitchen things
hat volleyball plate
T-shirt
jacket
baseball cap
toy truck
book
magazines
CD
cup
Classify the things
Listen and match each person with a thing and a reason.
1b
Person Thing Reason
Jane’s little brother volleyball J.K. Rowling is her favorite writer.
Mary
toy truck
She loves volleyball.
Carla
magazine
He was the only little kid at the picnic.
Deng Wen book She always listens to pop music.
Grace CD He loves rabbits.
1c
Thing Person Reason
book
Mary J.K. Rowling is her favorite writer.
toy truck
Jane’s little brother He was the only little kid at the picnic.
volleyball
Carla She loves volleyball.
magazine Deng Wen
He loves rabbits.
CD
Grace She always listens to pop music.
A:Whose book is this
B:It must be Mary’s /It must belong to Mary.
J.K. Rowling is her favourite writer.
---Whose … is this
It must be sb’s/ belong to sb , because…
I am not sure. It could/might be …
It can’t be… because…
Things in the backpack
1.T-shirt
2.___________
3.___________
hair band
tennis balls
Bob and Anna found a schoolbag at the park. Listen and write down the things in the schoolbag.
2a
2b
must
can’t
could
might
must
Listen again. Fill in the blanks.
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.
情态动词 must, might, could, can’t 后接动词原形,
可以表示对现在的情况的 .
It can’t ( )…
It might/could ( ) …
It must ( ) …
+ be sb’s
It must /might/could
推测
be Tony’s（是…的）
belong to Tony.（属于…）
不可能
可能
一定
belong to sb.
及时小结才能巩固所学知识
Whose...is this
随堂练习
I. Fill in the blanks with must, might / could, can’t, belong to.
1).Whose earrings are these They __________ be Mary’s. she never wears earrings.
2).The telephone is ringing, but nobody answers it. He ____________ be out.
3).－ “Whose is this book Oh, it________ be Mary’s. Her name is on the back.”
－ “No, it _________________ me, she gave it to me yesterday.”
can’t
must
belongs to
could/might
1．—What do you think “upset” mean
—I’m not sure. It ________ mean sad,
A．must B．can
C．might D．can’t
2．John___ come to see us tonight, but he isn't very sure yet. A. might B. can C. has to D. must 3．This backpack must be ________. I saw her carry it yesterday.
A．Lucys B．Lucy
C．Lucys’ D．Lucy’s
A
C
D
II.Choose the correct answer.
4．This hook ________ be Carla’s. Her name is on the book.
A．might B．could
C．must D．can’t
5．Jack’s bike is blue, so this yellow one ________ be his.
A．mustn’t B．can’t
C．couldn’t D．mightn’t
6．The guitar ________ belong to Alice. Only she plays the guitar here.
A．could B．must
C．can’t D．can
C
B
B
(2013.新疆)After a long walk,the old man____________ be tired now.
A: can’t B: must C: has to D: need
答案：B
【解析】can’t “一定不……”。must表示推测时，意为“一定……” ；has to “不得不”; need “需要”;由“走了很长一段路后”可推知“现在那位老人一定累了”，表示肯定推测，故选B。
(2013.山东潍坊)Diaoyu Islands __________ China ever since ancient times.
A: belong to B: belong in
C: belong under D: belong with
答案：A
【解析】belong to 意为“属于”，为固定短语，故选A。
晚上八点多 ，突然听到有敲门声，请你根据下面的词组提示，写几句话来猜测是谁在敲门，并写出理由。
要求：你可参照以下句型
can’t be a parent, at home;
can’t be a thief, knock at the door;
might/ could be a neighbor, want some help;
must be my aunt, like to…
Discuss and writeUnit 8 It must belong to Carla.
Period 1 Section A 1 (1a-2c)教学设计
一、教学目标：
1. 语言知识目标：
1) 能掌握以下单词：truck, picnic, whose, pink, rabbit, magazine
能掌握以下句型：
① The person must go to our school.
② —Whose boo ( http: / / www.21cnjy.com )k is this —It must be Mary's. /It must belong to Mary.
2) 能够用情态动词表推测.
2. 情感态度价值观目标：让学生根据已有事实推测可能性。
二、教学重难点
1. 教学重点：
1) 掌握本课时中出现的生词truck, ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 ) picnic, volleyball, whose,
2) 学会描述表示物品所属提问和回答：—Whose book is this —It must be Mary's.
2. 教学难点：Whose .......is this 句型
must might could can’t 表示推测
三、教学过程
Step 1 Revision and lead-in
A: Whose football is this
B: Bill’s
A: It might be Bill’s. Let’s ask him. Bill, is this your football
C: No, it’s not mine.
A: Well, it isn’t Bill’s. He says it’s not his.
C: Is it Anna’s
A: Let’s ask her. Anna, is this your football
C: No, it isn’t.
A: So it’s no ( http: / / www.21cnjy.com )t Anna’s football. And it can’t be Maria’s. Because I didn’t take hers. Then whose football is it
B: Is it Lee’s
A: Yes, it doesn ( http: / / www.21cnjy.com )’t belong to Bill, Anna or Maria. So it must be Lee’s.
Step 2 Presentation:
Whose exercise book is this
-It______ be Liu Xiang’s.
It must belong to Liu Xiang.
Because it has his name on it.
...
Step 3 Finish 1a.
1. Look at the cha ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )rt in 1a, then discuss with your group mates. Try to fill in the chart with words to describe people.
2. Let some Ss say their answers. Let other Ss add more.
Step 4 Listening work on 1b
1. T: Here are some t ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )hings belonging to those five people. Listen and match each person with a thing and a reason.
2. Play the recording for the Ss to listen.
3. Ss listen ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )and try to match the each person with a thing and a reason.
4. Check the answers.
Step 5. Pair work: work on 1c
1. Look at the conv ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )ersation in 1c and make conversations in pairs.
2. Let some pairs ask and answer in pairs.
e.g. A: Whose book is this
B: It must be Mary's. J.K. Rowling is her favorite writer.
3.Make your own new conversations with partners.Step 6. Listening
Work on 2a:
T: Bob and Anna f ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )ound a schoolbag at the park. Listen and write down the things in the schoolbag.
1. Look at the chart in 2a.
2. Play the reco ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )rding for the Ss to listen and check the words they hear.
3. Play the recording again to check the answers.
Work on 2b:
1. Let Ss read the sen ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )tences below. Explain some main sentences for the Ss. Make sure they know what to do.
2. Play the r ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )ecording for the Ss to fill in the blanks with the right words.
3. Play the recording again to check the answers.
Step 7. summary
情态动词 must, might, could, can’t 后接动词原形,
可以表示对现在的情况的推测。
Whose...is this
It can’t ( )… + be sb’s
It might/could ( ) … belong to sb.
It must ( ) …
Step 8. Exercises
Step 9. Homework
晚上八点多 ，突然听到有敲门声，请你根据下面的词组提示，写几句话来猜测是谁在敲门，并写出理由。
要求：你可参照以下句型
can’t be a parent, at home;
can’t be a thief, knock at the door;
might/ could be a neighbor, want some help;
must be my aunt, like to…
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