(共29张PPT)
Section A (1a-1c)
Guessing
Who has the following things
Lead in
CDs
toy cars
football
hat
glasses
watch
truck [tr k ] n. 卡车; 货车
picnic [p kn k] n. 野餐
rabbit [r b t] n. 兔; 野兔
pink [p k ] 粉红的;粉色
valuable [‘v lju bl] 贵重的;很有用的;宝贵的
truck
picnic
rabbit
valuable
pink
表示推测的情态动词
在英语中,表示对某事物的确定程度,
即表示推测的时候,我们通常会用到以下情态动词:
must, might, could, can’t
Presentation
must
can’t
could
might
100%
probably true
20%~80%
possibly true
0
almost not true
一定
可能
不可能
He can’t be _______.
He must be _______.
Wang Baoqiang
Cheng Long
Can you guess what it is
It could be_______________.
It also might be__________.
a white vase
two faces
It could be ________.
It also might be ___________.
Can you guess what it is
a dog
two girls
It could be
__________.
It also might be
______________.
Can you guess what it is
Three birds
a beautiful face
Whose dog is this
It must be Liu Dehua’s.
It must belong to Liu Dehua.
his
him
He is a basketball player.
Whose car is this
It might / could be __.
It can’t be _________.
It must be_________.
Yao Ming’s
It must belong to Yao Ming/ him.
Liu xiang
-It______ be Liu Xiang’s.
-Whose exercise book is this
It must belong to Liu Xiang.
(属于)
must
-It_______ belong to Bush.
Because___________________
Bush
-Whose red bicycle is this
can’t
his bike is white and blue.
1a
Look at the picture. Write the things you see in the correct columns in the chart.
1a Look at the picture.Write the things you see in the correct columns in the chart.
Clothing Fun things Kitchen things
hat volleyball plate
T-shirt
sweater
book
magazine
CD
toy car
cup
1c PAIRWORK
Practice the conversation in the picture above. Then make conversations using the information in 1b.
A: Whose book is this
B: It must be Mary’s. J.K. Rowling is her favorite writer.
1. I didn’t hear the phone. I ___ asleep.
A. must be B. must have been
C. should be D. should have been
2. Mary ____ be in Paris. I saw her in town only a few minutes ago.
A. mustn’t B. shouldn’t C. can’t D. may not
Practice
Ⅰ.单项选择
3. Peter ____ come with us tonight, but he isn’t very sure yet.
A. must B. may C. can D. will
4. I thought you ____ like something to read, so I have brought you some books.
A. may B. might
C. could D. must
2.favorite, like, love
e.g. I like Jeremy Lin best.=I love Jeremy Lin .
=My ________ basketball star is Jeremy Lin .
favorite
1.must be +sb.’s 意为“一定是某人的”
must belong to sb.意为“一定属于某人”
The book must be Mary’s.
=The book must belong to Mary.
summary
3.表示猜测的常用表达方式有:
(1)must be “肯定是……” , 表示把握较大的推测。
(2)may/might/could be “可能/或许是” , 把握不大。
(3)can’t be “肯定不是……” , 把握性很大的否定。