资源简介

(共17张PPT)
Unit 8
It must belong to Carla.
Section B 1a-1c
What do you think the baby is doing
The baby might/could/must be …ing….
What do you think the bird is doing
The bird might/could/must be …ing….
She wants to go to Jay’s concert but she can’t.
She must be crying for that.
Why do you think the girl is crying
She could/might be crying for …
because…
failing the exam
① 对过去情况的推测：
②对正在进行情况的推测：
③对现在或将来情况的推测：
情态动词表推测的3种情况
他们一定是迷路了否则他们现在就在这里了。
Tom 三点才离开。他可能错过火车了。
must/may/might/could have done sth.
must/may/might/could +V原形
They must have got lost or they’d be here by now.
Tom didn’t leave till 3 o’clock. He may/might have missed the train.
must/may/might/could +be doing
There’s a lot of noise from next door. They must be having a party.
隔壁太吵了，他们一定在开派对。
Don’t play with the knife. You could cut yourself.
走了这么长的路，你一定很累了。
别玩刀，你会切到自己的。
You must be tired after your long walk.
It could/might/can’t/must be _________.
Activity 1: View and say
UFO: unidentified flying object (不明飞行物,飞碟)
Have you ever seen it
What might be in a UFO
a UFO
an alien
(外星人)
There must/might be an alien in a UFO.
Look at the pictures and use "must,could, might, can't" to make inferences(推测).
What might the UFO be doing
It _____ be landing.
must
land [l nd] v. 着陆；降落
Why is the man running
He ___________be running for a bus.
could\might
He_______be running for exercise.Because he is wearing a suit.
can't
There might be an alien in it.
对此时此刻正在发生的事情进行推测：情态动词 + be + doing
Someone might be running after him.
Look at the pictures and use "must,could, might, can't" to make inferences(推测).
What is the alien doing when the man is running
It is running after the man.
Why might the alien be running after the man
It __________ be running after the man for his hat or tie.
could\might
The alien is running while the man is running.
Not only is the alien running, but also the man is running.
Why does the man feel scared
The alien is running after him so…
… because the alien is running after him.
Choose the best linking word or phrase.
1. It was snowing, ______ I could not go out. (so/but)
2. ______ I am very tired, I am going to bed. (as/but)
3. I study ________ I want to learn. (because/though)
4. The watch was cheap, ______ it goes quite well. (but/so)
5. We all tried out best. ________, we lost the game. (however/while)
6. You can go by air ______ by train. (and/or)
7. _______ the task was difficult, they managed to finish it on time.
(though/but)
8. We must _______ finish our task _______ do it well.
(not only… but also; not…but)
9. I was reading a magazine ______ he came in. (when/since)
10. ______ Mary was writing a letter, the children were playing outside. (so/while)
so
As
because
but
However
or
Though
not only
but also
when
While
land man UFO run alien run after
Look at the pictures. Then use the words in the box to write a sentence about each picture.
a. __________________________________
b. __________________________________
c. __________________________________
A UFO is landing.
The alien is running after the man.
The man is running, looking afraid.
1a
run after 在……后面跑、追
run away 逃跑
run out 用完；耗尽
run out of 用完；耗尽
1b
Listen and number the pictures [1–3] in 1a. Then write two or three sentences to finish the story.
1
2
3
While-listening
1b
Listen and number the pictures [1–3] in 1a. Then write two or three sentences to finish the story.
——————————————————————
——————————————————————
——————————————————————
A woman is filming with a camera.
They are making a movie.
1c
Listen again. Complete the sentences.
They see … The man says … The woman says …
1. a man running he could be _____ he might 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 ____
They see … The man says … The woman says …
1. a man running he could be __________ he might 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
running for exercise
a plane
a UFO
an alien
dreaming
from the TV news
making a movie
Man: Hey, look at the man running down the street. I wonder what’s happening.
Woman: He could be running for exercise.
Man: But he’s wearing a suit. He might be late for work.
Woman: He looks kind of afraid. (pause) Oh, no! What’s that
Man: Where
Woman: There’s something in the sky.
Man: It could be a plane.
Woman: No, it can’t be a plane. It’s too big. It must be a UFO.
Man: A UFO What’s going on
Woman: Look, now the UFO is landing ...
Man: And there’s something strange getting out. It must be an alien.
Woman: And the alien is running after the man! I must be dreaming.
Man: Maybe we should call the police.(pause) Hey, wait a minute. What’s that
Woman: Where
Man: Over there.
Woman: It’s a woman with a camera.
Man: She could be from the TV news.
Woman: No, look at all those other people. They’re actors. Oh! They must be making a movie
情态动词 +V原形 表示对动作进行推测
情态动词+ be+ adj./n. 表示对状态进行推测
情态动词 +be+V-ing 表示对正在进行的情况进行推测
Mr. Li is not in his apartment. He might be working at his office.
（1）suit在此处为可数名词，意为“西服；套装”。
My teacher often wears a black suit.
（2）suit也可作动词，意为“适合”。
This tie suits you well.
suitable是suit的形容词形式，意为“合适的；适宜的”。
be suitable for意为“适合......的”。
Why are you wearing a coat It’s not very suitable for the hot weather.
No, he’s wearing a suit.
suit /sju:t/, /su:t/ n. 西服；套装 v. 适合

展开更多......

收起↑