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Worksheets

MODALS OF DEDUCTION AND SPECULATION

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

Their shop is easy to locate. It’s right around the corner.  She _____ miss it!

a)

might

b)

can't

c)

must

2.

Chris’s things are still here so he _____ gone home.

a)

shouldn’t have

b)

might have

c)

can't have

3.

What a great show! They _____ go on a world tour.

a)

can't

b)

might

c)

must

4.

She can’t remember the suspect’s face. But she _____ seen a distinguishing feature.

a)

couldn’t have

b)

must have

c)

may have

5.

It _____ be sugar-free. It has ice cream in it.

a)

can't

b)

may not

c)

must

6.

Clara and Laura weren’t replying to my chat messages. Maybe they went to the movies or they _____ gone to a spa.

a)

might have

b)

couldn't have

c)

must have

7.

Anthony is posting a lot of pictures on facebook these days. I am not sure but he _____ gone on vacation.

a)

can't have

b)

might have

c)

must have

8.

Your sisters tell different versions of what happened. One of them _____ be lying.

a)

must

b)

may

c)

could

9.

I _____ known about this faulty wiring. I would have noticed it.

a)

couldn't have

b)

must have

c)

might have

10.

Look at this piece of art. Maybe it’s Monet or it _____ be Van Gogh.

a)

would

b)

could

c)

couldn't