Past modals of deduction

Nobody knows exactly why he died. But we think it__________ been an accident.

• can have

• might have

• should have

Sarah looked very happy. She _______ passed her driving test.

• must have

• can't have

• couldn't have

Which sentence is NOT a correct sentence?

•  Erin must have missed the train.  

• Erin can have missed the train.  

• Erin may have missed the train.  

Which sentence is NOT grammatically correct?

• Joseph must have forget about the party.  

• He can’t have got lost!  

• I may have left the form at home.  

Maybe John went to the shop.

• John must have gone to the shop.  

• John may have gone to the shop.

• John might not have gone to the shop.  

I'm sorry but Mr. Banks isn't here. He _______ left.

• can't have

• might have

• must have

They _______ bought a new house. They are both unemployed.

• can't have

• mustn't have

• could have

I don't know where they went but they _________ gone to Paris or Marseille.

• can have

• must have

• could have

You ____________ been ill yesterday. Jessie saw you at the bowling alley.

• couldn't have

• mustn't have

• may not have

I can't believe Jim hasn't arrived yet. He _____________taken the correct train.

• mustn't have

• shouldn't have

• can't have