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(共18张PPT)
Unit 5 The Value of Money
Discovering Useful Structures
Warming-up
Compare the sentences and think about the functions of modal verbs.
A. The exam may be difficult. a. The exam is difficult.
B. You should be studying harder. b. You are studying harder.
C. I can’t study all night during the semester. c. I study all night during the semester.
1. We can discuss it now. 2. You must do it at once.
3. Would you please pass me the salt 4. You needn’t have stayed.
5. You ought to help him. 6. I would rather do it myself.
Understanding
Modal verbs have many functions, including the following (A-F). Find modal verbs in previous sections and discuss their functions.
A necessity B possibility C obligation D request E advice F intention
B
C
D
A
E
F
在形式上，情态动词没有实义动词的变化，只有can/will/have to/may等几个有过去式，其他情态动词如must/ought to等的过去式都与现在式同形。
2. 否定形式及缩略形式
Grammar summary
1. 基本特征
表示能力 The little boy can read and write.
表示可能和推测 They made a bet which would settle their argument.
表示许可或禁止 You can’t open it until two o’clock.
表示发出指令或提出要求 Could you offer me work here
表示帮助或发出邀请 Wouldn’t you like to come with me
表示提出建议 You could ask the teacher for help.
表示愿望 I would like to know the date.
表示义务或需要 We have to wear uniforms at school.
Grammar summary
3. 主要表意功能
Grammar summary
Sorting exercise
Degree of probability: high low
It may rain tomorrow.
It should rain tomorrow.
It will rain tomorrow.
It could/might rain tomorrow.
1
2
3
4
Grammar summary
Negative advice: stronger weaker
You must not say things like that.
You shouldn’t say things like that.
You ought not to say things like that.
You don’t have/need to say things like that.
You had better not say things like that.
You can’t say things like that.
1
2
3
4
5
6
Sorting exercise
Understanding
Read the sentences below and think about the differences between “was/were going to be/do” and “would be/do”.
We thought it was going to rain but it was a beautiful day.
I was going to tell him, but he didn’t give me a chance.
The children were going to play football when it began to rain.
He said he was going to see the match but it was cancelled.
He said he would be there at 8 o’clock and so he will.
They told me that they probably would not grow corn the next year.
She burnt the letters so that her sister would never read them.
When my parents went on business trips, my grandparents would look after me.
Grammar summary
was/were going to be/do 表示过去计划、安排要做的事
表示说话人根据当时的迹象推断即将发生的事
表示过去的打算或计划，但因外界干扰而中断，常有but 出现，多用于非正式场合或口语中
would be/do 表示过去将要发生的事
表示愿意或承诺要做的事
表示过去某个时期常见的情况或习惯性的动作
除用于口语外，多用于正式场合或书面语中
In the film The Million Pound Bank Note, Henry Adams is stuck in a foreign country without money and friends, and with nowhere to stay. While this situation _______ seem unusual, it can sometimes happen to travellers. In case it happens to you on a trip abroad, what _______ you do First, and most importantly, you _______ stay calm. Fear _______ cause you to become confused. You need to think clearly. Second, you should go to your nearest consulate.
Practice
Read the passage and fill in the blanks with suitable modal verbs in the box.
may must can ought to might had better would should
may
should
must
can
They _________ be able to help to some extent. Third, you _______ do well to check with some local charities. They _______ offer help to travellers in need. Fourth, you ___________ avoid getting into trouble. You _______ think that stealing some money or food would help you, but you should not do so. Getting caught _______ ruin your life.
Practice
ought to
would
might
had better
might
would
may must can ought to might had better would should
(1) Philip bought two tickets for The Phantom of the Opera. He ____________ (watch) this musical with his girlfriend on the weekend.
(2) I was so surprised at the news that David (play) the role of the dinosaur in the play that I gave him a hug out of joy.
(3) Lily decided that she (settle) in New York and pursue her dream of becoming an actress.
Practice
Both “would do” and “was/were going to do ” can be used to talk about future events or intentions in the plete the following sentences that describe the future using either form of the given verbs.
would watch
would play
would settle
(4) Hey, Timmy. I __________________ (call) you. But now that you are here, I don’t have to.
(5) The competition was so close that no one was sure who ____________ (win) the Best Actor award.
(6) Jim is not here right now. He said he __________ (be) on duty at the library this afternoon.
Practice
was going to call
would win
would be
(1) The clerk in the consulate told Henry that they _____________________________________ (not, give, a loan).
(2) Henry entered the gentlemen’s house, wondering if they _______________________________ (offer, a job).
(3) The gentlemen said that Henry _______________________ (know, everything) in an hour and a half.
Practice
Complete the sentences with would, was/were going to, and the words in brackets.
would not/weren’t going to give him a loan
would/were going to offer him a job
would know everything
(4) Henry ____________________________________________ (explain why, not pay, the bill) right away when the waiter became impatient.
(5) The owner of the tailor’s shop never thought he __________________________ (hold, such a large note).
(6) After one month, Henry went to see the gentlemen with Portia. He ____________________________________________ (give back, note).
Practice
was going to explain why he could not pay the bill
would hold such a large note
was going to give the note back/give back the note
Practice
Work in pairs. Discuss the scene from The Million Pound Bank Note on page 52 and share your understanding of the story. Use modal verbs when necessary. The example below may help you.
EXAMPLE
A: I think it’s kind of Roderick and Oliver to give Henry the money.
B: I’m afraid I disagree. They shouldn’t be making a bet on him.
A: But Henry might get into trouble if they didn’t offer him the money.
B: Well, if they really wanted to help Henry, they could offer him a job.
A: Maybe you’re right. But I guess that would be a different story ...
Assignment
Finish Exercise 2 & 3 on page 87.
Goodbye!

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