Modal Verbs

1.

MODAL VERBS
FOR DEDUCTION AND SPECULATION
MUST
COULD
MIGHT

2.

Mike works as a computer I’m sure of this
programmer; he must have a
information.
well-paid job.
Jack could be late for the
hockey match.
Helen
soon.
might
come
back
I guess so.
May be, she’ll
come back soon,
may be, she won’t
come back soon.

3.

MUST
COULD
MIGHT

4.

Choose the correct variant, explain your choice.
1. If Susan said that it
be true. She never lies.
A) must
B ) could
C) might
2. I don’t know it exactly. This story
be true.
A) must
B ) could
C) might
3. You have walked for 2 hours. You
be tired.
A) must
B ) could
C) might
4. Tom and Olga are good friends. He
have her phone
number.
A) must
B ) could
C) might
5. He
be his son, they look a bit similar to each other.
A) must
B ) could
C) might
6. Don’t swim in the river. It
be dangerous!
A) must
B ) could
C) might

5.

Imagine you are at the airport. Say your own sentences with
must, could or might as if you are:
- a passenger;
- a stewardess;
- a pilot;
- a check-in offer;
a security officer;
a customs officer;
a baggage packer;
- seeing off your friend;
- a shop-assistant in the duty free shop.