Past Modals

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

• can have

• might have

• should have

I  _________ revised more for the exam. I was lazy, and now I'll fail!

• should have

• might have

• should have

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

• should have

• can't have

• must have

I didn't know you were going to Phil's party yesterday. You _________ told me!

• must have

• can't have

• should have

I can't believe Jim hasn't arrived yet. He _________ taken the wrong train.

• must have

• should have

• can have

I can't believe Jim hasn't arrived yet. He _________ taken the right train.

• mustn't have

• shouldn't have

• can't have

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

• musn't have

• couldn't have

• may not have

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

• could have

• can have

• must have

You _________ paid more attention. Now we are lost.

• ought to have

• must have

• can't have

The window was broken, so the thieves _________ got in through that window.

• may have

• should have

• must have