MODALS FOR DEDUCTIONS PAST AND PRESENT | Baamboozle - Baamboozle

No one is opening the door. They probably aren't at home. OUT

They must be out.

Sue never go to cafes with us. Maybe she can't afford to eat out. MIGHT

She might not be able to afford to eat out.

I'm sure the dog is in the house. I've just heard it barking. BE

The dog must be in the house.

There's some possibility that Jack will arrive in half an hour. GET

Jack may/might/could get here in half an hour.

I'm sure that Liz doesn't love Harry.

Liz can't love Harry.

There's a possibility that the dentist will see you soon.

The dentist might / may / could see you soon.

I think it's possible for anyone to break into this house!

Anyone could/may/might break into this house.

I'm sure that Brenda isn't over thirty.

Brenda can't be over thirty.

I'm sure that Helen feels lonely.

Helen must feel really lonely.

It is impossible that you forgot your wallet at home. You paid for our lunch today.

You can't have forgotten your wallet at home. You paid for our lunch today.

It is possible that you left your wallet at home.

You might have left your wallet at home.

It's not possible John had made dinner yet

John can't have made dinner yet.

I don't believe you are telling the truth.

You can't be telling the truth. / You must be lying. / You must be telling a lie.

It's likely that Mary will come for dinner tonight.

Mary might / may come for dinner tonight.

There is no more milk in the fridge, so my guess is mum forgot to buy some.

There's no more milk in the fridge, mum must have forgotten to buy some milk.

I'm sure Jane isn't late today.

Jane can't be late today.

I'm certain the cat is somewhere in the house.

The cat must be somewhere in the house.

I'm sure that Susan is not the thief.

Susan can't be the thief.

I'm sure you didn't remember to do your homework. FORGOTTEN

You must have forgotten to do your homework.

Did you hear me come in last night? No, I _________ asleep.

must have been

I had an umbrella when I came out but I haven't got it now. I _____________ it on the bus.

might have left

It is impossible that he is Spanish.

He can't be Spanish.

I’m certain that she is a doctor.

She must be a doctor.

John will probably come to the party.

John may/might come to the party.

I'm sure they aren't at work today.

They can't be at work today.

Perhaps he is working today.

He may/might be working today.

Perhaps he was at home yesterday.

He might have been at home yesterday