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Worksheets

Modals of Speculation Present

Total questions: 56

Worksheet time: 26mins

Name
Class
Date
1.

They _______ be away for the weekend but I am not sure.

a)

may

b)

must

2.

He _______ be French, judging by the color of the passport he is holding.

a)

could

b)

must

3.

You _______ be right but I’m going to check anyway.

a)

might

b)

must

4.

The exam _______be easy. You never know.

a)

might

b)

can't

5.

It _______be true about dinosaur living in the lake in Congo. It’s impossible!

a)

might

b)

can't

6.

She _______be at the party, she is having high temperature.

a)

might

b)

can't

7.

This _______be the right answer but we’ll have to check with the teacher to make sure.

a)

could

b)

must

8.

She _______ steal things from shops. She’s rich and famous.

a)

could

b)

can't

9.

I really think Liverpool_______lose the final of the King’s Cup.

a)

could

b)

can't

10.

She’s been revising 10 hours a day for 3 weeks. She _______ be exhausted.

a)

could

b)

must

11.

Nobody’s answering. They _______ be out.

a)

can't

b)

must

12.

He _______ be from the USA. He doesn’t speak English.

a)

can't

b)

must

13.

The police … suspect Tom. He’s never committed a crime!

a)

might

b)

could

c)

can't

14.

Don’t buy those cheap DVDs. They … be illegal copies.

a)

could

b)

must

c)

can't

15.

Be careful in the station. There … be pickpockets.

a)

may

b)

must

c)

can't

16.

Your mother ..... be a great cook. You are always so keen to get back home to eat!

a)

can't

b)

might

c)

must

17.

Oh, the phone is ringing. Answer it. It ..... be Kate. She always rings at this time.

a)

must

b)

could

c)

can't

18.

What's that noise? I'm not sure, it .... be the dog.

a)

must

b)

could

c)

can't

19.

You haven't eaten all day. You .... be hungry.

a)

can't

b)

must

c)

may

20.

He....be American. He doesn't speak English.

a)

can't

b)

must

c)

might

21.

He...be the robber, he's too tall!

a)

can't

b)

may

c)

must

22.

He ... like football, but I can't remember.

a)

can't

b)

may

c)

must

23.

Paul is behaving in a very unusual way. I think he ______ again.

a)

can't drink

b)

might be drinking

c)

can be drinking

24.

I think there ______ a mistake in your tax return. You should check it.

a)

can't be

b)

might be

c)

must be

25.

If Suzan said that, it ______ true. She never lies.

a)

might be

b)

must be

c)

can be

26.

Sorry, but I'm not Connor. You ______ me for someone else.

a)

might be confusing

b)

must confuse

c)

must be confusing

27.

I'm not sure I trust Peter. He ______ the person we think he is.

a)

might not be

b)

can't be

c)

must not be

28.

You have walked for ten hours. You ______ exhausted.

a)

can be

b)

can't be

c)

must be

29.

He ______ his son, they look completely different.

a)

might be

b)

can't be

c)

must not be

30.

There's a bit of traffic, so I ______ arrive in time.

a)

might not

b)

must not

c)

can't

31.

He ______ be very proud of you right now. You disappointed him.

a)

must not

b)

can't

c)

might

32.

I wouldn't swim in this river if I were you. It ______ dangerous.

a)

might be

b)

can't be

c)

can be

33.

They _______________ enjoy doing exercise. They're always working out.

a)

must

b)

may

c)

should

d)

can't

34.

We ________________ find some cheap granola bars in that supermarket, but I'm not entirely sure.

a)

must

b)

can't

c)

may

d)

should

35.

I didn't feed Rusty this morning. He ______________ be hungry.

a)

must

b)

should

c)

may

d)

could

e)

can't

36.

William has an English accent. He ______________ come from London, but I think someone said that he was from another city.

a)

must

b)

can't

c)

may

d)

should

37.

They ______________ like Real Madrid. Barcelona fans hate that team.

a)

must

b)

may

c)

could

d)

can't

38.

It ________________ rain later today if those clouds keep building up. On the other hand, it may stay dry.

a)

must

b)

can't

c)

may

d)

should

39.

Tom __________________ enjoy studying online. He told me that he hates computers.

a)

must

b)

may

c)

should

d)

can't

40.

That ______________ be Paul's car. He told me that his car was a Japanese model and that's a Toyota, but then again, I may be wrong.

a)

must

b)

should

c)

may

d)

can't

41.

David _________________ help you, but on the other hand, he could be too busy today. There's a fifty-fifty chance he will do it.

a)

must

b)

should

c)

may

d)

can't

42.

That _____________ be the new accountant. I was told that she is a woman.

a)

must

b)

should

c)

may

d)

can't

43.

James _______________ like that dish. He's just asked the waiter for the recipe and said he wants to cook it himself.

a)

can't

b)

must

c)

should

d)

could

44.

The flight attendant said that our flight ______________ arrive early, but it depends on whether the pilot encounters any winds across the Atlantic.

a)

must

b)

may

c)

could

d)

can't

45.

James _______________ hate shopping. He always gets moody when we say we're going to Quicentro and acts up.

a)

must

b)

can't

c)

could

d)

may

46.

Whose is this coat? It _____ be Paul's. It's way too small for him.

a)

must

b)

may

c)

can't

47.

Come in and sit down. You _____ be tired after the journey.

a)

must

b)

might

c)

can

48.

The exam results will be out soon. It _____ be this week or possibly next week.

a)

must

b)

might

c)

can't

49.

The house isn't hard to find. It's the red one at the end. You _____ miss it!

a)

must

b)

might

c)

can't

50.

Don't call her. It's late and ...... but I don't know

a)

she can't be sleeping

b)

she may be sleeping

c)

she can be sleeping

51.

This can't be true! You......

a)

may be joking

b)

must be joking

c)

can be joking

d)

might be joking

52.

I can't open this file. There...

a)

can be something wrong

b)

might be something wrong

c)

must be something wrong

d)

could be something wrong

53.

Don't call her. It's late and ...... but I don't know

a)

she can't be sleeping

b)

she may be sleeping

c)

she can be sleeping

54.

Well, you know her. She ...... in the garden with her flowers.

a)

can be

b)

may be

c)

must be

d)

should be

55.
We ___ be going to Italy next summer, but we haven't decided yet.
a)
must
b)
might
56.
Remember to take an umbrella. It ___ rain later.
a)
could
b)
must