wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Past Modals of Deduction

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

A: Hey, look at these photos of our great-grandmother that I found in the attic!

B: Wow, she was so gorgeous! She _____________________ very popular with the guys!

a)

must have been

b)

couldn't have been

c)

can have been

2.

I’m not sure, but I think Giovanna ____________ have broken up with her boyfriend. She didn’t bring him for the Christmas’ dinner, after all. What do you think?

a)

may

b)

can't

c)

must

3.

Robert _______________ Mrs. Cruz! Mrs. Cruz was murdered four days ago at around 9 PM, and Robert was in my house all night on that day. I even have videos to prove it! He’s innocent!

a)

can't have killed

b)

must have killed

c)

may have killed

4.

I had the opportunity to study medicine in a prestigious university but I decided to follow my passion and become an actress instead. Imagine that, I _____________________________ a doctor.

a)

could have become

b)

must have become

c)

can't have become

5.

A: I think I saw Nicholas at the mall yesterday.

B: That’s impossible. You _____________________________ Nicholas! He has been in hospital since last week.

a)

can't have seen

b)

must have seen

c)

mustn't have seen

6.

Alexandra applied for Harvard University and she received the results in the morning. She hasn’t said anything yet but she’s extremely happy right now.

a)

She must have passed the exam.

b)

She must have failed the exam.

c)

She can't have passed the exam.

7.

I can’t remember very well but I think I watched this movie some years ago. The characters and the story seem familiar but I’m not completely sure.

a)

I may have watched this movie.

b)

I must have watched this movie.

c)

I can't have watched this movie.

8.

A: Did you see our neighbours' new cars?

B: Yeah! They _________________ the lottery!

a)

must have won

b)

could have won

c)

can have won

9.

Oh no! Where are my keys? I know! I ________ have left them on my office’s desk! This is the fifth time this month!

a)

must

b)

might

c)

could

10.

A: Look at this! I passed the exam without studying!

B: Really? That exam ________ have been difficult then!

a)

can't

b)

must

c)

might