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Lesson 43 --- MUST
Lesson43: MUST
 
We use must to say that we feel sure something is true.

Example:
You뭭e been travelling all day. You must be tired.
(Travelling is tiring and you뭭e been travelling all day, so you are probably
tired.)

Positive: + must be (tired/hungry/home etc.)
He/she/it+ must be (doing/coming/joking, etc.)
We/you/they+ must be (do/get/know/have)

Negative: I + must not be (tired/hungry/home, etc.)
He/she/it + must not be (doing/coming/joking, etc.)
We/you/they+ must not be (doing/coming/joking, etc.)


Examples:
1.You must be crazy to believe everything he says.
2.He뭩 not answering the phone. He must be out.
3.His house is next to the freeway. It must be very noisy there.
4.He lives in the province. He must be used to quiet.
5.He lives in the city. He must not be used to quiet and solitude.

Exercise 1. Put in must or must not.
1.You뭭e been travelling all day. You must be very tired.
2.That restaurant_____________ be very good. It뭩 always full of people.
3.That restaurant ___________ be very good. It뭩 always empty.
4.It rained every day during their vacation, so they _____________ had a very
good time.
5.You got here very quickly. You _____________have walked very fast.


Exercise 2: Complete the sentences with a verb in the correct form.
1.I뭭e lost one of my gloves. I must have dropped it somewhere.
2.They haven뭪 lived here very long. They must not know many people.
3.Ted wasn뭪 at work last week. He ___________________ sick.
4.
Ted isn뭪 at work today.He must ________________ sick.
5.Sarah knows a lot about movies. She must ____________________ to the
movies a lot.
6.Look! James is putting on his coat. He must_____________________ out.
7.I left my bike outside last night, and this morning it isn뭪 here anymore.
Somebody must ____________ it.
8.Megan was in a very difficult situation. It must not __________________
easy for her.
9.There is a man walking behind us. He has been walking behind us for the
last 20 minutes. He must _____________ us.

Steven:What happened to Rick?
John:He must have been crazed. The last time I saw him, he was just standing on the edge of the building.
Steven:Then what happened after that?
John:Then I saw him spread out his arms and leap from the platform like a flightless bird.
Steven: That's terrible.
John:Yes. I just shut my eyes against the wall. Then the next thing I knew was the clamor of police cars and a crying old lady. She must have been his mother.
Steven:I don't know why he did it. Something must have depressed him so.
John:Yeah, I think so.

1.You must have been half-asleep when a strange noise woke you up. Would
you check it out?
2.You must be tired after working so many hours in a day. What do you do to
relax?
3 Your mother told you, you must attend your cousin's birthday party even if
you've a lot of homework to do. What will you do?

4. You must have been very thrilled when you saw your favorite movie star in person. Would you ask for his or her autograph?

5. You have a party to attend but your boss tells you that you must finish the report today? What will you do?

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