人教版九年级全Unit 8 It must belong to Carla Section A 3a-3c课件(共21张PPT)

(共21张PPT)
Unit 8
It must belong to Carla.
Section A 3a-3c
Review
Translate the phrases.
at the picnic
belong to
pop music
hair band
attend a concert
go to a picnic
pick up
在野餐
属于…
流行音乐
发带
出席音乐会;欣赏一场音乐会
去野餐
捡起
Whose hair band is it
It …
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.
Listen and match each person with a thing and a reason.
1b
Practice the conversation in the picture above.Then
make conversations using the information in 1b.
1c
A: Whose book is this
B: It must be Mary’s. J. K. Rowling is her favorite writer.
It must be very expensive.
The people who do it must be very fit.
That might be fun.
It may be too challenging for us.
It could be dangerous.
It can't be that dangerous to go onsafari. So many people do it.
Look at these sentences.
情态动词
表推测
Lead-in
情态动词must，can，could，may和might均可表示推测，可以对过去、现在或将来的情况作出语气强弱不同的推测。
语法重点: 情态动词表推测
表示可能、怀疑、允诺、愿望、义务、必要、猜测等的动词就是情态动词。情态动词可以表示说话人的语气或某种情态，也可以表示推测。
英语中表示推测的情态动词主要有 must, can, could, may, might, can’t等。
must ＞ can ＞ could ＞ may ＞ might ＞can’t
Review
What modal verbs have we learned
shall
could
must
may
might
need
should
can
will
would
Modal Verbs
Linda: Mom, I’m really worried.
Mom: Why What’s wrong
Linda: I can’t find my schoolbag.
Mom: Well, where did you last put it
Linda: I can’t remember! I attended a concert yesterday so
it might still be in the music hall.
Role-play the conversation.
2d
Mom: Do you have anything valuable in your schoolbag
Linda: No, just my books, my pink hair band and some tennis balls.
Mom: So it can’t be stolen.
Linda: Oh, wait! I went to a picnic after the concert. I remember I had
my schoolbag with me at the picnic.
Mom: So could it still be at the park
Linda: Yes. I left early, before the rest of my friends.I think somebody
must have picked it up. I’ll call them now to check if anybody
has it.
1. —Whose volleyball is this 这是谁的排球？
—It must be Carla’s. She loves volleyball. 它一定是卡拉的。她喜欢
排球。（教材第57页）
(1) 此处 must 表肯定推测，语气比较强，意为“一定，肯定”，通常与 be 连用，这种用法只用于肯定句中。
e.g. There must be something wrong with the computer. 这台电脑一定 是出了什么毛病。
Language Points
1.belong to sb. 可用来指某物属于某人 , to是介词，后跟名词或代词的宾格形式等。
例: This book belongs to me.这本书是我的。
探究三：belong (to)的用法
2.“sth. belong(s) to sb.”也可以用“sth. +be +名词性物主代词或者名词的所有格形式”表示。
eg. -Whose T-shirt is this
-It must belong to Mary.同义句___________________
=It must be Mary’s.
The book belongs to her.同义句 ___________________
= The book is hers.
Grammar Focus
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.
Choose the best way to complete each sentence using the words in the brackets.
might be
must be
n. 实验室
adv. 在户外，在野外
4a
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.
could be
can’t be
must be
Mysteries about Stonehenge
One of the greatest mysteries is _______________.
Because the stones are so _____ and _______.
We don’t know who built it but the builders must have been _____________ and a great_________.
When
How
Who
1.What
2.______
4.______
hard-working
planner
big
heavy
3._____
how it was built
Why
Read Para. 4 and fill in the blanks.
Read Para. 4 carefully and answer questions.
1. How old is Stonehenge believed to be
It must be 5,000 years old.
2. Was Stonehenge built overnight
No, it was built for a long period time.
3. What’s the biggest mystery of Stonehenge Why
One of the biggest mystery is how it was built. Because the stones are so big and high.
4. Was the volunteers successful in building another Stonehenge
No, they failed to build another Stonehenge.
5. What are we sure of the builder of Stonehenge
They must have been hard-working and great planners.
1. Did it take a long time to build Stonehenge
2. Is there any other mystery about Stonehenge Why
Let’s read Para.4
Yes. It must be almost 5,000 years old.
Yes. How it was built.
Because the stones are so big and heavy.
2. However, these days, something unusual is happening in our town.
构成：不定代词+形容词
（定语后置）
e.g. something important
一些重要的事情
something interesting
一些有趣的事
词缀：un- 表示否定
usual 平常的 unusual 不平常的
happy 快乐的 unhappy 不快乐的
lucky 幸运的 unlucky 不幸的
friendly 友好的 unfriendly 不友好的
easy 轻松的 uneasy 不安的
反义
3. noise n. 声音；噪音；喧闹声, 形容词 noisy 吵闹的
e.g. There was a lot of noise coming from the classroom.
教室传来一片哄闹声。
I can’t hear you, it’s very noisy here.
我听不清你说什么，这里太吵了。
【辨析】noise, sound, voice
noise: 通常指不悦耳的、令人烦恼的嘈杂声，隐含贬义。
sound: 普通用词，含义笼统，指人们能听到的各种声音，无褒贬色彩。
voice: 指人说话或唱歌时发出的声音。