(共20张PPT)
Unit 8
It must belong to Carla.
Section B 1a-1d
一、语言能力
学习并掌握词汇land ,alien, run after,suit等；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。
二、学习能力
培养学生从听力材料中提取目标语言和重要信息的能力；掌握情态动词
对现在进行的动作进行推测的用法。
三、文化意识
通过谈论“外星人事件” ，细心观察，客观解释奇怪现象，用科学的视
角认识世界。
四、思维品质
通过活动练习，让学生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;通过小组对话培养合作精神和发散思维。
情态动词表推测
含义
可能
不可能
could ; may ;might
can’t/couldn’t
可能不
may not/might not
一定
must
Tip:表示不可能常用can’t
Review
Guessing games
What does he do
He could/may/might be a/an …
a superman.
a teacher.
He must be a/an...
a doctor.
Guessing games
What does he do
He could/may/might be a/an …
a photographer.(摄影师)
He_______be a doctor.
He must be a/an...
an engineer.
can’t
What is this movie about
Make inferences推测
What is it
can't
must
Use "must,could, might, can't."
It be a UFO.
1.must/could/might/can't+do / be
(表示对现在的动作或状态推测)
It be a plane.
a UFO
What might the UFO be doing
might
Use "must,could, might, can't."
It be landing.
2.must/could/might/can't+be doing
(表示对正在发生的事情推测)
Make inferences推测
Why is the man running
He be running for exercise. Because he is wearing a suit.
can't
He be running for a bus.
might/could
He be running to avoid something. Because he looks afraid.
might/could
Make inferences推测
What is the alien doing
It be running after the man for his hat or tie.
might/could
It is running after the man.
Why might the alien be running after the man
Make inferences推测
Pre-listening
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 .
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
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
________________
1c
late for work
a plane
an alien
from the TV news
a UFO
dreaming
making a movie
running for exercise
Post-listening
Fill in the blanks according to the conversation.
The man in a _______ is running and he looks _________. He _________ be late for work.
Something is _________. It _______ be a plane. No, it ________ be a UFO.
Something strange is _____________ the man. It _______ be an _________.
There is a woman with a ____________. She ________ be making a movie.
suit
afraid
might
landing
could
running after
must
alien
camera
must
must
Post-listening
Role play the conversation between the man and woman.
1d
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
Post-listening
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
Exercises
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
Exercises:从方框中选词并用其适当形式填空。
camera run land sky catch
1. I guess he must be ___________ for exercise.
2. He looked up and saw a kite flying in the ________.
3. He might be running _________ a bus.
4. In ten minutes the plane will ________ in Beijing.
5. Luckily, I had my ________ along. I can take some photos for you.
running
sky
to catch
land
camera
Summary
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
Thank you for listening
