Modals of deduction

They are more than an hour late. They ______ gotten lost.

• must have

• could have
• can´t have

Patrick _____ gone to the opera. He hates classical music !!!

• can have

• must have

• can´t have

You passed !! you ____ been so happy when you heard the results !!

• must have
• couldn´t have

• may not have

It ____ been food poisoning. Nobody else who ate the fish got sick.

• must have

• can´t have

• might have

You____ seen marco in town. He´s on vacation in Spain right now.

• can´t have

• might not have

• may have

Sasha ____ heard the news yet, so let´s call her just in case.

• couldn´t have

• might not have

• must have not

I _____ left my bank card at the café - I used it just now to pay for the coffee.

• must have
• might not have

• can´t have

He hasn´t answered his phone for two days, i supose he _____ lost it.

• may have

• can´t have

• might

I ___ left my hat at the restaurant. That is the last place i had it.

• can´t have

• must have

A: 'I haven't seen Ross today. Is he off sick?'

B: 'He __________ be - I saw his car in the car park.'

• can't

• can

• must

• may