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Unit 4 Doing the right thing

Được đăng lên bởi Bi Lala
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Group List:

1.Doan Van Dung
2.Lam Hong Duong
3.Tran Van Duy
4.Pham Thi Hai
5.Le Thi Hien (20/09)
6.Le Thi Hien (02/02)
7.Nguyen Thi Hoa
8.Dao Van Hoa
9.Trinh Xuan Hoan

• MODAL VERBS
• REQUESTS AND OFFERS

MODAL VERBS
Can, could, may, might, must, will, would, shall, should,
ought to, be allowed to.

Introduction to Modal verbs:
They are known as modal auxiliary verbs, modal verbs also have some
own characteristic as follows:
 Form:
1. There is no –s in the third person singular.
Eg: He can use our phone.
He must be tired.
It might rain.
2. There is no do/does in the question.
Eg: Can I help you?
What should I do?

3. There is no don’t/doesn’t in the negative.
Eg: She can’t dance.
You mustn’t steal!
4. They are followed by an infinitives without to. The exception is ought to .
Eg: They can speak French and English.
You must go.
You ought to see a doctor.
5. They have no infinitives and no –ing forms. Other expressions are used
instead:
Eg: I’d love to be able to ski.
I hate having to get up on cold, winter mornings.
6. Modal auxiliary verbs don’t usually have past forms. Other expressions
are used instead:
Eg: I had to work hard at school.
Could is used with a past meaning in some cases:
Eg: I could swim when I was six.
7. They can be used with perfect infinitives to talk about the past:
Eg: You should have told me that you can’t swim. You might have drowned!

 Use:
1. Each modal verb has at least two meanings. One use of all of them is to
express possibility or probability.
Eg: I must post this letter. (= obligation)
You must be tired! (= deduction, probability)
Could you help me? (= request)
We could go to Spain for our holidays. (= possibility)
May I go home now? (= permission)
‘Where’s Anna?’ ‘I’m not sure. She may be at work.’ (= possibility)
2. Modal verbs express our attitudes, opinions and judgements of events.
Compare the dialogues.
Eg: -Who’s that knocking on the door?
It’s John.( This is a fact.)
-Who’s that knocking on the door?
It could/may/might/must/should/can’t/will be John.( These all express our
attitude or opinion.)

What is the general form of Modal verb?
Please give the rule of Mv:
(+) S + mv+ Vinf + O
Eg: I can stay at my grandfather’s tonight.
(-) S + mv + not + Vinf + O
Eg: You should not stay up late.
(?)Mv + S + Vinf +O
Yes, S + mv
No, S + mv + not
Eg: Can I park here?
Yes, you can.
No, you can not.

Unit 4: Do the right thing
Note the following points:
1. Must I ….? is possible, but question forms with have to are more c...
Group List:
1.Doan Van Dung
2.Lam Hong Duong
3.Tran Van Duy
4.Pham Thi Hai
5.Le Thi Hien (20/09)
6.Le Thi Hien (02/02)
7.Nguyen Thi Hoa
8.Dao Van Hoa
9.Trinh Xuan Hoan
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