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Modals for Deduction
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Perhaps he is working today.
He may be working today.
Oops!
Okay!
I'm sure that Susan is not the thief.
Susan can't be the thief.
Oops!
Okay!
I'm sure Jane isn't late today.
Jane can't be late today.
Oops!
Okay!
Emily is crying. She --------------- be sad.
must
Oops!
Okay!
John will probably come to the party. John
John may come to the party.
Oops!
Okay!
Did you hear me come in last night? No, I (be) -----asleep.
must have been
Oops!
Okay!
I'm sure the cat is in the house somewhere.
The cat must be at home.
Oops!
Okay!
It is possible that you forgot your wallet at home.
You might have left your wallet at home.
Oops!
Okay!
It is impossible that he is Spanish.
He can't be Spanish.
Oops!
Okay!
I'm sure they aren't at work today.
They can't be at work today.
Oops!
Okay!
I’m certain that she is a doctor.
She must be a doctor.
Oops!
Okay!
I had an umbrella when I came out but I haven't got it now.You (leave) ------------- it on the bus.
might have left
Oops!
Okay!
Perhaps he left the car unlocked.
He might have left the car unlocked.
Oops!
Okay!
I'm sure Jane is sleeping now.
Jane must be sleeping.
Oops!
Okay!
I'm sure you forgot doing your homework.
You can't have forgotten doing your homework.
Oops!
Okay!
I'm sure she is at home today.
She must be at home today.
Oops!
Okay!
Kate is shivering. She ------------- be cold.
must
Oops!
Okay!
Perhaps he was at home yesterday.
He might have been at home.
Oops!
Okay!
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