资源简介

(共26张PPT)
Unit 8
It must belong to Carla.
Section B 1a~1d
学习目标
进一步感知运用“情态动词+be+doing”结构对正在进行的动作表示推测的用法；
01
根据观察到的现象进行合理性推测，锻炼逻辑思维推理能力；
02
通过谈论“外星人事件” ，细心观察，客观解释奇怪现象，做到科学认识世界。
03
alien
n. 外星人
He believes that aliens visit Earth in UFOs.
他相信外星人乘坐不明飞行物造访地球。
land
v. 着陆；降落
The plane landed safely.
飞机安全着陆了。
New words
suit
n. 西服；套装
v. 适合
① a business suit 公务装
② The city lifestyle seems to suit her - she
looks great.
这个城市的生活方式似乎很适合她——
她看起来很棒。
run after
追逐；追赶
He ran after me to hand me some papers.
他追在我后面递给我一些文件。
New words
can 不肯，may 不问
must 肯定不否问。
can (could)，may (might)，must 表“推测”时
所适用的句式区别。
can 一般
不用于肯定句;
Can [Could] this be true
He can't be at home now.
It could(may/might) rain later this evening.
can 不肯，may 不问
must 肯定不否问。
may (might)一般不用于疑问句
He may have caught a cold today because his face looks pale.
I'm not sure if she might come tomorrow.
can 不肯，may 不问
must 肯定不否问。
must 一般仅用于肯定句，不用于否定句和疑问句
The window is broken. Someone must have thrown a stone at it.
You have worked hard all day. You must be tired.
mustn't
不能用于表“推测”
否定推测用can’t.
新课讲授
What is this movie about
What might you feel when you see
a UFO and the alien
['e li n] n.外星人
Are you interested in the UFO and aliens
excited
scared
surprised
a
b
c
Make inferences.
What might the UFO be doing
It might be landing.
n.陆地；v.着陆
Pre-listening
a
b
c
What is the alien doing
It is running after the man.
追逐；追赶
Pre-listening
a
b
c
Why is the man running
He could /might be running for/to...
Pre-listening
a
b
c
Look at the pictures. Then use the words in the box to write a sentence about each picture.
a. _____________________________________
b. _____________________________________
c. _____________________________________
An alien is running after a man.
The man is running, looking afraid.
A UFO is landing.
land
man
UFO
run
alien
run after
What might be the right order of this story
Pre-listening
1a
a
b
c
What might be the right order of this story
I think picture A might be the first one because the UFO must land first , and then the alien can get out and run after the man .
I think picture B could be the first one . Maybe the alien runs after the man because it wants to catch him .A UFO comes here to take them to another planet .
a
b
c
Listen and number the pictures[1-3] in 1a.
1
2
3
While-listening
1b
Listen and write two or three sentences to finish the story.
a
b
c
1
2
3
A woman is filming with a camera.
They are making a movie.
…
While-listening
1b
Listen again. Complete the sentences.
They see ... The man says ... The woman says ...
1. a man running he might be _____________ he could be ________________
2. something in the sky it could be ______________ it must be
________________
3. something strange it must be _______________ I must be
_______________
4. a woman with a camera she could be ________________ they must be
________________
late for work
a plane
an alien
from the TV news
a UFO
dreaming
making a movie
running for exercise
While-listening
1b
M: Hey, look at the man running down the street. I wonder _______________.
W: He ________________ for exercise.
M: But he’s wearing a suit. He _________ late for work.
W: He looks kind of afraid. (pause) Oh, no! What’s that
M: Where
W: There’s something in the sky.
M: It _________ a plane.
W: No, it _________ a plane. It’s too big. It ________ a UFO.
M: A UFO ________________
W: Look, now the UFO is landing ...
Listen again and fill in the blanks.
must be running
what’s happening
might be
could be
can’t be
What’s going on
must be
在空中
M: And there’s something strange getting out. It ____________ an alien.
W: And the alien is ____________ the man! I ____________________.
M: ________we should call the police. (pause) Hey, wait a minute. What’s that
W: Where
M: Over there.
W: It’s a woman ______________.
M: She __________ from the TV news.
W: No, look at all those other people. They’re actors.
Oh! They _______________ a movie.
Maybe
could be
must be
must be dreaming
must be making
running after
with a camera
拿着相机的妇女
Retell the story according to the mind map.
What happened
They must be ...
He might be ...
It could be ...
It must be ...
She could be ...
a man running
something in the sky
something strange
a woman
with a camera
Post-listening
Role play the conversation between the man and woman.
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
late for work.
Hey, look! There’s something in the sky.
It could be a plane.
observation
inference
充足理由进行推断
1d
Post-listening
1.A UFO is landing.
land
(1)作不及物动词，意为“降落，登陆”。
The plane can land safely.
(2)作及物动词，意为“使着陆；使靠岸”。
He managed to land his kite. whose
(3)作名词，意为“陆地；土地”。
Elephant is the biggest animal on the land.
Language points
在这种结构中，
如果特殊疑问词在句中作主语，特殊疑问句语序；
如果特殊疑问词在句中不作主语，特殊疑问句用陈述语序。
2.Why do you think the man is running
考点
“疑问词 + do you think + 其他”构成的特殊疑问句
Who do you think is the tallest in your class
Where do you think we should go for a holiday
一、单项选择.
1. Peter said he saw a UFO _______ in front of the supermarket
when he was hanging out on the street.
A．entering B．landing C．to enter D．to land
2.Where do you think ________ he ________ his CD
A．did; buy B．has; bought C．/; bought D．does; buy
3.Look, our math teacher is coming some books in the hand.
A. has B. there is C. with D. by
当堂检测
Why do you think the man is running
He could be running for exercise.
No, he’s wearing a suit.
He might be running to catch a bus.
It must be an alien.
run after , be late for , run for exercise, catch a bus, in the sky, make a movie
alien , suit , land ,UFO
words
phrases
sentences
课堂总结
Homework
Level B：
Master the new words and expressions learned in this lesson.
Level A：
Write a short passage to share one of your unusual experiences with must, could/might, can’t。

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