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WorksheetsPast Modals of Deduction
Total questions: 10
Worksheet time: 8mins
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!
must have been
couldn't have been
can have been
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?
may
can't
must
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!
can't have killed
must have killed
may have killed
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.
could have become
must have become
can't have become
A: I think I saw Nicholas at the mall yesterday.
B: That’s impossible. You _____________________________ Nicholas! He has been in hospital since last week.
can't have seen
must have seen
mustn't have seen
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.
She must have passed the exam.
She must have failed the exam.
She can't have passed the exam.
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.
I may have watched this movie.
I must have watched this movie.
I can't have watched this movie.
A: Did you see our neighbours' new cars?
B: Yeah! They _________________ the lottery!
must have won
could have won
can have won
Oh no! Where are my keys? I know! I ________ have left them on my office’s desk! This is the fifth time this month!
must
might
could
A: Look at this! I passed the exam without studying!
B: Really? That exam ________ have been difficult then!
can't
must
might
