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Worksheets

Modal Verbs of Certainty and Possibility

Total questions: 35

Worksheet time: 3hrs 55mins

Name
Class
Date
1.

It _______rain later because it's very cloudy.

a)

can

b)

mustn't

c)

should

d)

might

2.

We ____ leave now before it's too late.

a)

must

b)

could

c)

might

d)

would

3.

You _________ catch a cold if you go out in this weather.

a)

may

b)

can

c)

may not

d)

can't

4.

We __________ visit Aunt May if it does not rain tomorrow.

a)

may

b)

can

c)

may not

d)

can't

5.

I _________ run very fast.

a)

can

b)

may

c)

may not

6.

There_________ be a storm in the evening.

a)

can

b)

may

c)

have to

d)

can't

7.

He ________ paint very well.

a)

can

b)

may

c)

have to

d)

may not

8.

_____________ you swim when you were 10 years old?

a)

Must

b)

Have to

c)

Could

d)

Doesn't have to

9.

I'm not going to class today because I ____________ go to the dentist.

a)

would

b)

must

c)

could

d)

couldn't

10.

I felt sick yesterday. I _______________ eat anything.

a)

had to

b)

couldn't

c)

must

d)

mustn't

11.

Aiman ....... swim very well, she is a great swimmer.

a)

should

b)

can

c)

mustn't

d)

can't

12.

Qaisara ...... play the piano. She is a musician.

a)

cannot

b)

can

c)

mustn't

d)

can't

13.

The windows are very dirty. I …………………….. clean them.

a)

must

b)

musn't

c)

will

d)

shouldn't

14.

Darwisya _____ play both the piano and the guitar.

a)

can

b)

have to

c)

must

d)

will

15.

She ________ ride a bike.

a)

can

b)

may

c)

have to

d)

may not

16.

He ______ play football but he ______ play tennis.

a)

can

b)

can't

c)

may

d)

have to

17.

_______ they speak French? No they _____.

a)

Can

b)

can't

c)

have to

d)

may

18.
English is difficult for Anna, but now she_____ fluently because she spent many years studying English.
a)
can speak
b)
is able to speak
c)
is able speak
d)
can speaks
19.

I .................................. ride a bike when I was 10.

a)

can

b)

could

c)

will be able

d)

can't

20.

John __________ paint our house. He's a professional painter.

a)

could

b)

can

c)

couldn't

d)

cannot

21.

My sister is very bad in the kitchen. She __________ cook.

a)

can

b)

can't

c)

could

d)

couldn't

22.

Mary __________ sing. She's part of the school band.

a)

is able to

b)

was able to

c)

cannot

d)

able to

23.

I stayed up all night finishing this report for the boss.


You _____ really tired.

a)

must feel

b)

might feel

c)

feel

24.

I wonder why the TV is on in the living room. No one is in there.


Grandma _______ to turn it off. She was in the living room earlier and was probably watching it.

a)

must forget

b)

must have forgotten

c)

must be forgetting

25.

I _________ study hard because I failed the course.

a)

could

b)

can´t

c)

must

26.

You ________be hungry! You just have eaten a piece of bread and an apple.

a)

can´t

b)

must

c)

could

27.

Maribel...........speak English very well.

a)

Are

b)

Can

c)

Should

d)

Cannot

28.

My little brother.............walk when he was 5 months old.

a)

Could

b)

Could not

c)

Can

d)

Cannot

29.

Are you running in the big race tomorrow, Alan?

No, I'm not. I ______ run. I broke my foot on Saturday and now it's in a cast.

a)

can

b)

can't

c)

may

d)

may not

30.

A: Where's Tracy? I've been looking for her all morning.

B: I haven't seen her. She _____ be sick.

a)

can

b)

can't

c)

might

d)

might not

31.

2. (A) Can he swim?

(B) Yes, he ….

a)

a) can

b)

b) could

c)

c) can’t

32.

When Tom was 16, he was a fast runner. He _____ run 200 meters in 22 seconds.

a)

can

b)

can't

c)

could

d)

couldn't

33.

"When is the party? If it's on Saturday, I _____ be able to make it!"

a)

must

b)

might

c)

may

34.

"If you're not there, I will be so lonely. You _____ come!"

a)

might

b)

could

c)

may

d)

must

35.

"Bring an umbrella! The weather said it _____ rain tonight.

a)

must

b)

would

c)

may

d)

might