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Modal Verbs of Possibility and Certainty
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I think it was the cat that took the fish from the table! The cat MUST HAVE TAKEN / MIGHT HAVE TAKEN the fish from the table.
The cat must have taken the fish from the table.
Oops!
Okay!
Tom is alone while his parents are away. Perhaps he is feeling lonely. He ...
He MAY BE feeling lonely.
Oops!
Okay!
Olivia feels happy. I'm sure she CAN'T HAVE GOT/ MUST HAVE GOT the job.
I'm sure she MUST HAVE GOT the job.
Oops!
Okay!
I'm sure they haven't eaten all the food. It's not possible! They MAY HAVE EATEN/ CAN'T HAVE EATEN all the food.
They can't have eaten all the food.
Oops!
Okay!
I'm sure that Brenda isn't over thirty. Brenda...
Brenda can't be over thirty.
Oops!
Okay!
Sarah isn't sure whether to study psychology at university. She MUST/ MIGHT study psychology at university.
She MIGHT study psychology at university.
Oops!
Okay!
Perhaps Pam and Tim decided not to come. They CAN'T HAVE DECIDED not to come/ They MIGHT HAVE DECIDED not to come.
Pam and Tim might have decided not to come.
Oops!
Okay!
Let's go the party. It's possible that we will meet some new friends. We CAN'T/ MAY meet some friends there.
We MAY meet some new friends there.
Oops!
Okay!
She went to a party last night and was late for school today. I'm sure she overslept. She ... overslept.
She MUST HAVE overslept.
Oops!
Okay!
Tell me what's wrong. There's a chance I'll be able to help you. I ... be able to help you.
I MAY/ COULD/ MIGHT be able to help you.
Oops!
Okay!
Rephrase using a modal verb: I am sure Pedro feels very lonely living all alone in Tokyo.
Pedro MUST FEEL/ BE very lonely living all alone in Tokyo.
Oops!
Okay!
I'm sure that David took your books by mistake. David MUST HAVE / CAN'T HAVE taken your books by mistake.
David MUST HAVE taken your books by mistake.
Oops!
Okay!
It is possible that Heather hasn't left yet. Heather MIGHT NOT HAVE LEFT / MAY HAVE LEFT yet.
Heather might not have left yet.
Oops!
Okay!
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