【新课标】Unit 8 It must belong to Carla Section A 4a-4c课件(共49张PPT)

(共49张PPT)
Section A
4a-4C
To learn to use must, might, could and can’t for making inferences
It must be Carla’s.
It could be Mei’s hair band.
I’m not sure, but it can’t be a dog.
Objectives
______ _______
outside their window
It could be ____
________.
Victor’s wife
Victor and
his friends
It must be teenagers
___________.
People
What they hear/see
What they think
The police
nothing _________
It might be
__________.
Helen
_________ outside
It might be _______.
strange noises
an
animal
having fun
strange
the wind
noises
a dog
Something unusual
is
happening.
One woman
in the area
The writer
something
_______________
running away
Maybe it is
_______________.
a bear or a wolf
The noise-maker is having too much fun
_______________ in the neighborhood.
creating fear
Review
We live in a small town and almost everyone knows each other. It __________ very quiet. However, these days, something unusual ____________ in our town. Victor’s wife thinks that it _________ an animal, but Victor and his friends think it __________ teenagers having fun. The policemen think it _________ the wind. Helen thought it ________ a dog at first, but she changes her mind later.
used to be
is happening
could be
must be
might be
might be
Fill in the blanks.
Review
One woman in the area thinks it’s ______ big _______ be a dog. Maybe it was a bear or a wolf. I think the ____________ is having too much fun creating fear in the neighborhood.
too
to
noise-maker
报警
隔壁邻居
太……不能……
感到不安
不知道
起初
离开
造成恐惧
做某事愉快
太多的乐趣
逃跑
在我们小区
call the policemen
next-door neighbor
too...to...
feel uneasy
have no idea
at first
go away
create fear
have fun doing sth.
too much fun
run away
in our neighborhood
laboratory
outdoors
coat
sleepy
n. 实验室
adv. 在户外；在野外
n. 外套；上衣
adj. 困倦的；瞌睡的
New words
1. 这是谁的排球
_______ __________ is this
这一定是卡拉的。她热爱排球运动。
It ______ be ________. She loves volleyball.
Whose volleyball
must Carla’s
Grammar Focus
2. 这是谁的发带？
______ ______ ______ is this
它可能是梅的发带。或者可能属于琳达。她们两人都是长头发。
It ______ be Mei’s hair band. Or it ______ belong to Linda. They both have long hair.
could
might
Whose hair band
3. 那晚你看见了什么？
_______ did you see that night
我不确定，但不可能是狗。它更大。我想也许是一头熊或一匹狼。
I’m _____ _____, but it _____ _____ a dog. It was bigger. I think it _______ _____ a bear or a wolf.
What
not sure
can’t be
might be
情态动词表示推测
情态动词表推测
must
must表很大的可能性，表示“肯定，一定”，只用于肯定句。
e.g. This book must be yours. It has your name on it.
There must be something wrong with my bike. It doesn’t work.
You must know the famous writer Lu Xun.
注意：
must表推测时不用否定形式。
如果用否定，mustn’t：禁止；不许，而不表示推测。can’t be：一定不会用。
2. can
can 用于疑问句或否定句，表示惊异，怀疑，不相信等。 can’t 表示不太可能。
Can it be possible 那有可能吗？
Where can he go 他能去哪儿呢？
You can’t be serious! 你不是认真的吧!
That girl can’t be Linda. Linda has gone to America.
3. could, might, may
表示“可能”，might, could语气更委婉，might更不确定。
You may still have a chance. They haven’t decided yet.
You could be right. I am not sure.
I might become a doctor in the future.
may，might表推测时，可用于否定句，但不用于疑问句。
e.g. He may/ might not be at home.
他有可能不在家。
Your friend may/might not come today.
你朋友今天也许不会来了。
表推测的时态
情态动词+be doing 表示对现在的推测
e.g. He must be doing his homework now.
They can’t be watching TV now. It’s Thursday.
My mother might be cooking at home.
情态动词+ have done 表示对过去的推测
They must have left. It’s too late now.
You can’t have read this book. It just came out last week!
They may have heard the news.
Talk about the pictures with must, may, could, might, can’t
She must be tired.
She can’t be relaxed.
She might feel worried.
Talk about the pictures with must, may, could, might, can’t
It must be…
It can’t be…
It might be…
Talk about the pictures with must, may, could, might, can’t
There must be…
There can’t be…
There might be…
Talk about the pictures with must, may, could, might, can’t
The man must be….
The dog can’t be….
…
根据句意, 从括号内选择合适的单词填空。
1. Amy has practiced dancing for five hours.
She ______ (must / can’t) be very tired.
2. Miss Yang ______ (must / can’t) be at home. She has gone to Shanghai.
3. Don’t play on the street. You ______ (could /can’t) be hurt by cars.
must
can’t
could
4. Bruce _______ (must / might) pass the exam. I’m not sure.
5. I can’t find my pen at school. It _______ (could / can’t) be at home.
could
might
Choose the best way to complete each sentence using the words in brackets.
1. A: Where’s Jean
B: I’m not sure. She ________ (is/ might be/ must be) in the laboratory.
might be
n. 实验室
4a
2. A: Everyone is going to the pool after school.
B: Really It _______ (must be / can’t be /could be ) hot outdoors.
must be
表示“位移”的动词用现在进行时态表将来，例如：go去，come来，leave离开，arrive到达，return 回来，fly 飞。
e.g. I am coming.=I will come.
He is leaving for Paris.=He will
leave for Paris.
adv. 在户外，在野外
3. A: That’s the phone.
B: Hmm. I wonder who it _______ (must
be / could be / should be).
could be
4. A: I wonder if there are Jim’s glasses.
B: They _______ (can’t be / might be /
could be) his. He doesn’t wear glasses.
can’t be
wonder v. “想知道” (want to know)
No wonder+句子，“难怪.....”
e.g. No wonder you are angry.
难怪你觉得生气。
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.
could be/ must be
think of 想要；打算
e.g. I thought of playing basketball.
我想打篮球。
1. A: Many people are wearing coats.
B: The weather must be _____________
____________.
2. A: Sally has been coughing a lot.
B: She might be ____________________.
getting colder/ cold outside
having a sore throat/ ill
Complete these responses.
n. 外套
4b
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 _______________.
must be delicious
be that boring
adj. 困的
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.
4c
It could be a girl’s room
because it’s very tidy.
I guess so. But it might be a boy’s room because the clothes look like boys’ clothes.
It could/might/can’t be...
because ...
I guess so/I don’t think so.
But it might/could/must be ...
because …
1. Whenever I try to read this book, I feel sleepy.
sleepy adj. 困的；想睡的。可作定语和表语。
asleep adj. 睡着的。强调状态，常作表语。
fall asleep 入睡；睡着
sleep v. 睡觉 n. 睡眠；睡觉
sleep, sleepy, asleep
Language points
【运用】根据句意, 用sleep, sleepy或asleep填空。
1) Look at that ________ dog.
2) Tom is _____________________. Please keep quiet.
3) I think people need eight hours of ________ a day.
4) Grandpa fell ________ when he was watching TV.
asleep
sleepy
sleep
sleeping / asleep / sleepy
(1) I will be happy if Sandy __________(接受) my offer.
(2) Julia __________(receive / accept) presents from her son on Mother’s Day every year.
(3) I went to the door to __________(receive / accept) those visitors.
(4) Li Hua __________(receive / accept) a warm welcome when she was in England.
【语境应用】完成句子。
accepts
receives
receive
received
根据句意及首字母提示完成句子。
1．I feel s__ in class today because I stayed up late watching the football match last night.
2．We have three chemistry l__ in our school.
3．You can put off your c__ in the room.It's very warm here.
4．You'd better take a s__ before going to bed.
5．The machine is making too much n__ ．Could you please turn it off
leepy
aboratories
oat
hower
oise
Exercises
1. — Excuse me. Is this the right way to the Summer Palace
— Sorry, I am not sure. It _____ be.
A. might B. will
C. must D. can
单项选择。
2. — Isn’t that Ann’s husband over there
— No, it _____ be him — I’m sure he doesn’t wear glasses.
A. can’t B. must not
C. won’t D. may not
3. You ____ be tired — you’ve only been working for an hour.
A. must not B. won’t
C. can’t D. may not
4. — Is John coming by train
— He should, but he _____ not. He likes driving his car.
A. must B. can
C. need D. may
根据汉语意思完成英语句子, 每空一词。
1. 现在埃米正在洗淋浴。请一会儿给她打电话。
Amy is _______ _______ _______ now. Please call her later.
2. 昨晚格雷格咳嗽得很厉害，因此今天早晨他去看医生了。
Greg ________ ______ ______ last night, so he went to see the doctor this morning.
taking a shower
coughed a lot
Summary
Homework
Read the Grammar Focus.
Finish the exercise in 4c.
Look after your objects,
Goodbye!
1. — Whose dictionary is this
— It _______ be Jack’s. His name is on it.
A. can B. might
C. must D. could
C
2. — Who is that girl reading under the tree over there
— It _______ be Gina. I saw her in the classroom
just now.
A. mustn’t B. might not C. can’t D. couldn’t
3. The trousers are ____short for me.Could you please
show me another pair
A. much too B. too much C. too many D. much
C
A
4. Her parents are _______ interested in Beijing Opera, so they often go to see it.
A. all B. both C. whole D. none
5. —Whose guitar is this
— It _______ Lisa. She plays the guitar.
A. might be B. must be
C. can belong D. might belong to
B
D