北师大版 高二 (6-7) unit 13
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英语课件. 北师大版 高二 (6-7) Unit 13. Lesson 3 Making guesses about People. Objectives. At the end of this lesson, you’ll be able to :. ♠ understand how to express guesses by using Modals for Guessing. Grammar Modals for Guessing 情态动词表示猜测. - PowerPoint PPT PresentationTRANSCRIPT
北师大版 高二 (6-7) Unit 13北师大版 高二 (6-7) Unit 13
Lesson 3
Making guesses about
People
Objectives
♠ understand how to express guesses by
using Modals for Guessing
At the end of this lesson, you’ll be able to :
Grammar
Modals for Guessing
情态动词表示猜测
Look at the dialogue again and
complete the gaps with modal
verbs:
must, may, may not, might, can’t,
could.
1. I think my French tutor ______ know
one of them.
2. They _____ be so frightened.
3. They _____ have been separated from…
4. They ______ have gone exploring…
5. They _____ be there.
6. They _______ have any water.
might
must
may
could
can’t
may not
4. What meaning do the sentences
in in Exercise 3 express:
A. decision?
B. advice?
C. guesses?
5. Which of the modal verbs in Exercise
3 express the following?
a strong belief that something is / was
true 肯定、一定a strong belief that something is /was
not true 不可能
a possibility that something is / was t
rue 可能、也许
a possibility that something is /was n
ot true 可能不,也许不
Answers:Strong belief/true:
Strong belief/ not true:
They can’t be there.
They must be so frightened! Their
parents must be very worried.
Possibility /not true:
They may not have any water.
Possibility /true:
I think my French tutor might
know one of them. They may have
been separated from… They could
have gone exploring…
• I think my French
tutor might know
one of them.
b) unlimited
present time
6. Look at these sentences again and d
ecide what they are talking about: a),
b) or c)
•They might have
fallen behind.
a) past event•They might be
sheltering in a cave.
c) something
happening now
may /might have +PP( 过去分词 )
must have +PP( 过去分词 )
肯定句
对过去的推测
对现在的推测
must be + n. / adj.
maybe/ must be + v-ing(正在进行)
must +v.( 原形 )
can’t have + PP( 过去分词 )
can’t have been+ n. / adj.对过去的推测
对现在的推测
否定句
can’t be + n. / adj.
can’t +v.( 原形 )
can’t be doing ( 正在进行 )
7. Complete the gaps in the sentences wi
th the modal verbs. More than one answ
er is possible.
1. She goes out every weekend. She
______________ have young children.
2. He looks depressed( 沮丧的 ). He _____
_____ be having some problems.
must, can’t, may, might, might not,
could
might not / can’t
may/might/could
3. This woman looks like a scholar.
She ___________________ work at t
he university.
4. His shoes are muddy ( 沾满泥的 ).
He ______ be working in an office
all day.
may/might/could
can’t
6. He often goes abroad.
He ________________ be working fo
r the Foreign Office.
might/may/could
5. Her clothes are all very expensive.
She ________________________ be
earning a lot of money.
must/might/could/may
8. Try to guess what happened i
n the past.1. A young woman is looking at a new
ring on her finger.
She might have got married recently.
2. A mother is telling her son off. ( 责备 / 怪 )
He might have come home late.
3. A boy has a broken arm.
4. There is a lot of broken glass on the
street.
5. A man is lying asleep on a park
bench.
He might have fallen off a tree.
There might have been an accident.
He might be drunk.
6. A housewife is cheering.
7. A driver is taking a set of tool kit from the boot.
8. A girl with wet hair is traveling on
the bus.
Her husband must/might have won.
His car must have been broken down.
She might have been swimming.
9. Rewrite the sentences using modal ve
rbs and suitable verb forms may be mor
e than one correct answer.
1. I’m sure she’s relaxing in her room.
She _______________ in her room.must be relaxing
2. Perhaps the postcode was wrong,
and that’s why the letter never arrived.
The postcode _______________
wrong, and that’s why the letter
never arrived.
may/might/could have been
3. I don’t believe you failed the exam.
You _______________ the exam.can’t/couldn’t have failed
4. It’s possible that Sam doesn’t like
classical music.
Sam ____________ classical music.
5. I’m sure John is not forty-five yet.
John _______ forty-five yet.
may/might not like
can’t be
6. It is possible that he’s studying
astronomy now.
He __________________________ as
tronomy now.7. Maybe they lied to me about their
adventure.
They ______________ to me
about their adventure.
may/might/could be studyinging
may/might/could have lied
8. It’s quite probable that Bill didn’
t win the competition.
Bill _______________________ th
e competition.
can’t/couldn’t have won
Best Choice
1. ---Do you know where David is? I
couldn’t find him anywhere.
---Well. He _____ have gone far—
his coat’s still here.
A. shouldn’t B. mustn’t
C. can’t D. wouldn’t
2. ---Excuse me. Is this the right way
to the Summer Palace?
---Sorry, I am not sure. But it _____ be.
A. might B. will
C. must D. can
3. ---Tom graduated from college at
a very young age.
--- Oh, he _____ have been a very
smart boy then.
A. could B. should
C. might D. must
4. ---- I heard they went skiing in the
mountains last winter.
---- It ____ true because there was
little snow there.
A. may not be B. won’t be
C. couldn’t be D. mustn’t be
5. Jack ______ yet, otherwise he
would have telephoned me.
A. mustn’t have arrived
B. shouldn’t have arrived
C. can’t have arrived
D. needn’t have arrived
6. ---Didn’t you know that you went
driving at 100 kilometers an
hour, Madam?
--- _____. My old car can do no
more than 80, officer.
A. I may not have been
B. I couldn’t have been
C. I mustn’t have been
D. I shouldn’t have been
Finish the Exx. on p 58-59.
Homework
II. 情态动词
1. must be relaxing 2. might have arrived
3. can’t have failed
4. might not like
5. can’t be 6. may be living
7. might have lied
8. might not have won
《赢在课堂》随堂演练参考答案:
情态动词 ( p58)
I. 2. can’t be 3. must have
4. can’t have 5. must be
6. can’thave 7. must get up
8. can’t get up
II.
2. can’t have lived 3. can’t have given
4. must have given 5. must have sent
Weekly Lesson3 :
II. 6. must have married 7. can’t have married
8. must have been 9. can’t have been
III.2. Mary may have won…
3. He might have been …
4. He may know … 5. She could be …
6. They could be… 7. She may not be …
8. She might not have been