Unit 8 It must belong to Carla 课时3 Section A Grammar Focus-4c语法课件 -2025年新目标英语九年级

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2. Whose birthday is it
It must belong to Carla.
Section A (Grammar Focus-4c)
新目标 英语（九年级）
Unit 8
2. Whose birthday is it
语言
能力
学习
能力
思维
品质
文化
意识
准确判断语境，在语言实践中运用情态动词做出正确推测。
学习本课新词汇:laboratory, coat, sleepy, pocket
掌握句型：—Whose volleyball is this
—It must/might/could/can’t be Carla’s.
—It must/might/could/can’t belong to Carla.
通过观察讨论归纳，总结情态动词表推测的用法，提高思维的逻辑性。
运用本单元所学习的must，could，might，can情态动词，表达对事物的推测。同时灵活运用不同的情态动词进行推测，进一步提高口语表达的准确性。
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2
3
4
学习目标
Warm up
Guessing Game
I’m Lily.
I like dancing.
Lily _______________ be a dancer when she grows up.
could/may/might
此处could/might/may表示推断，意为“可能”，通常与be连用。
Fill in the blanks with modal verbs.
Review
Guessing Game
This football _____ be Lily’s.
It ______ be Li Ming’s.
can’t
must
此处can’t 表示推断，意为“不可能”。通常与be连用。(否定推测用can't)
I’m Li Ming.
I like playing football.
Guessing Game
The man _____ have a toothache.
must
此处must表示推断，通常与be连用，意为“一定是，肯定是”。 must这种表示推测的用法只用于肯定句中。
I have a toothache.
Whose volleyball is this It _______ be Carla’s.
She loves volleyball.
Whose hair band is this The person _______be a boy.
It _______ be Mei’s hair band. Or it ________belong to Linda. They both have long hair.
Why do you think déjà vu happens I’m not sure, but some people believe the scenes of déjà vu ______ come from past dreams.
must
Whose volleyball is this It _______ be Carla’s.
She loves volleyball.
Whose hair band is this The person _______be a boy.
It _______ be Mei’s hair band. Or it ________belong to Linda. They both have long hair.
Why do you think déjà vu happens I’m not sure, but some people believe the scenes of déjà vu ______ come from past dreams.
must
can’t
could
might
Whose volleyball is this It _______ be Carla’s.
She loves volleyball.
Whose hair band is this The person _______be a boy.
It _______ be Mei’s hair band. Or it ________belong to Linda. They both have long hair.
Why do you think déjà vu happens I’m not sure, but some people believe the scenes of déjà vu ______ come from past dreams.
must
can’t
could
might
must
Whose volleyball is this It _______ be Carla’s.
She loves volleyball.
Whose hair band is this The person _______be a boy.
It _______ be Mei’s hair band. Or it ________belong to Linda. They both have long hair.
Why do you think déjà vu happens I’m not sure, but some people believe the scenes of déjà vu ______ come from past dreams.
must
can’t
could
might
must
1.表推测的情态动词的意思
must__________ could/might__________ can’t__________
2.情态动词_________(有/没有)人称和数的变化。
3.情态动词后必须跟______________.
一定,肯定
也许,可能
不可能
没有
V原形
句式 情态动词 含义 用法
肯定句 must 一定 表示有把握的肯定推测。
may/ might/ could 也许；可能 表示没有把握的肯定推测。
否定句 can’t/ couldn’t 不可能 表示有把握的否定推测。
may not/ might not 可能不 表示不太有把握的肯定推测。
疑问句 can/ could 可能 表示推测。
情态动词表示推测的意义和用法
可能性
might
may
could
can
must
can't
0%-100%
不可能
也许，可能(4个)
肯定,一定
表示推测的情态动词
The light in the teachers’ office is still on. Miss Gao ______ be working.
must表推测用在肯定句中
【注意】mustn’t “禁止, 千万不要”，不表推测。
情态动词 must表推测
You have worked all this week .You _______ be tired.
Students ________ go to swim in rivers by themselves.
You ________ late.
must
1.must. “一定；肯定”.表示_____________.
must
mustn’t
mustn’t
肯定猜测
______ it rain tomorrow It’s so sunny at the moment.
【拓展】could 表推测时，可用于肯定句、否定句和疑问句。
它比 can 更委婉，更不确定。
情态动词 can’t表推测
She ______be at school .It’s Sunday today.
He couldn’t have understood.
Where could it be
can’t
2.can’t，意为“不可能；应该不是”.表____________.
Can
can表推测
用在否/疑句
否定猜测
According to the radio ,it may/might/ rain this evening.
【注意】may not/ might not 表示不太有把握的否定推测，
意为“可能不”.
情态动词 may等表推测
Will you please answer the phone It may/might be your mom.
It might not be a bad idea to get a car alarm for your new sports car. You know new cars tend to attract thieves.
3.may , might, 表示“可能”.表示没有把握的推测.
might的可能性比 may要小一些。
(1) “情态动词+动词原形”，表示对现在的事情的推测。
我不知道她在哪儿。她可能在武汉。
I don’t know where she is. She may be in Wuhan.
(2)“情态动词+be+动词-ing形式”，表示对正在进行
的事情的推测。
那个穿着西装的男人也许正跑着去赶公共汽车。
The man in a suit might be running to catch a bus.
(3) “情态动词+have+动词的过去分词”，表示
对过去或已经完成的事情的推测。
地是湿的，一定是下过雨了。
The ground is wet. It must have rained.
拓展
用适当的情态动词填空。
1. — Susan has bought a large house with a swimming pool.
— It ______ be very expensive. I never even dream about it.
2. — Listen! Is Mr. Green giving a report in the hall
— No, it ______ be him. He has gone to Japan.
3. Ann hasn’t come to school today. I think she___________ be
ill.
4. The guitar _______________ belong to Alice. She likes playing
the guitar.
5. — I wonder if this is Jack’s book.
— It ______ be his. It has Linda’s name on it
must
can’t
may/might/could
may/might/could
can’t
【活学活用】
Whose volleyball is this It must be Carla’s.
She loves volleyball.
Whose hair band is this The person can’tbe a boy.
It could be Mei’s hair band.
Or it might belong to Linda. They both have long hair.
Why do you think déjà vu happens I’m not sure, but some people believe the scenes of déjà vu must come from past dreams.
方框里两句都表示______________，
不同点是：belong to后__________________________
be动词后 _________________________________
某物属于某人
直接加人名或人称代词宾格
要用名词所有格形式或名词性物主代词
总结:1.belong to 的意思__________
2.be sb’s (sb’s:__________________)
=belong to sb ( sb:___________________)
名词所有格/名词性物主代词
名词/代词的宾格
属于
不能用于进行时态
和被动语态
1.The book must be Mary’s .
The book must ________ _______ _______.
2.The pen must belong to me.
The pen must ________ _________.
belong to Mary
be mine
同义句
1. A: Where’s Jean
B: I’m not sure. She __________ (is / might be / must be) in the laboratory.
2. A: Everyone is going to the pool after school.
B: Really It __________ (must be / can’t be / could be) hot outdoors.
3. A: That’s the phone.
B: Hmm. I wonder who it ___________ (must be / could be / should be).
4. A: I wonder if these are Jim’s glasses.
B: They ___________ (can’t be / might be / could be) his. He doesn’t wear
glasses.
5. A: I hear water running in the bathroom.
B: It _________ (could be / must be / can’t be)Carla. She was thinking of
taking a shower.
Choose the best way to complete each sentence using the words in the brackets.
could be
can’t be
must be
might be
must be
n.实验室
adv.在户外
4a
1. A: Many people are wearing coats.
B: The weather must be ________________________.
2. A: Sally has been coughing a lot.
B: She might be ______________________________.
3. A: This restaurant is always very crowded.
B: The food _________________________________.
4. A: Whenever I try to read this book, I feel sleepy.
B: It can’t ___________________________________.
Complete these responses.
4b
n.外套
adj.困倦的
be interesting
cold
ill
must be delicious
Look at this picture of a room. How much can you tell
about the person who lives here Is it a boy or a girl
What are his/her hobbies Discuss your ideas with a partner.
A: It could be a girl’s room because it’s
very tidy.
B: I guess so. But it might be a boy’s room because the clothes look like boys’ clothes.
4c
一、单项选择.
1. — He _______be in the classroom. I think.
— No, he _____be in the classroom. I saw him go home a minute ago.
A. can; may not B. must; may not C. may; mustn’t D. may; can’t
2. —Whose book is this
—It ___________ our geography teacher's. You see, his name is on it.
A. can't be B. can be C. mustn't be D. must be
3.—Oh, it’s raining hard.
—Be careful! The road ______ be wet.
A. could B. must C. might
4.—We can see some wild animals in the forest, right
—It’s hard to say. There ________ be only a few left.
A．may B．must C．need D．could
5.—You did well in the high jump, Tina. You ________ have practiced a lot.
—Yeah. I trained hard at school for two months.
A．can B．could C．must D．might
6.—Where is Bob
—I’m not sure. He ________ be on the playground.
A．must B．can’t C．might
二.用所给单词的适当形式填空
1.Those 　　　 　(Germany) are all very interested in Chinese culture.
2.Do 　　　 　(postman) still ride bikes to send letters to us
3.“Wear your 　　 　　(glove), or you will feel cold!” This is what my mom often says to me.
4.To reduce rubbish, China is limiting the number of people who are allowed 　　 　　(climb) up the north side of Qomolangma.
5.When taking pictures, those students took off their 　 　　　(cap) and threw them into the air.
Germans
postmen
gloves
to climb
caps