LEVEL 4, UNIT 6, PERFECT MODALS

If I had gone to sales, I´m sure I ______ bought something. (past wilingness)

• might have

• should have

• would have

• could have

Claire was very upset. You didn´t go to her birthday party. You _______ . (past regret)

• should have gone.

• shouldn´t have gone

• could have gone

• couldn´t have gone

No one´s answering the phone. They _____ gone out. (possibility)

• must have

• must not have

• might have

• might not have

The lights are out. They ______ gone to sleep. (possibility)

• couldn´t have

• might not have

• might have been

• might have

We ______ invited Tony if we had known that he was in town. (willingness)

• wouldn´t have

• could have

• would have

• couldn´t have

You _______ shouted with Samantha. She will never forgive you. (regret)

• must not have

• shouldn´t have

• should have

• couldn´t have

You shouldn´t have washed the dishes. I _____ put everything in the dishwater. (willingness)

• could have

• should have

• might have

• would have

You _______ gone to the party last Saturday. We had a great time. (regret)

• must have

• mustn´t have

• should have

• shouldn´t have

She _______ changed her mind. I´m not sure. (possibility)

• must have

• should have

• may have

• didn´t

You _______ spent too much money on CDs. You´ll have problems with your salary at the end of the month.

(past advice or regret)

• should have

• shouldn´t have

• must have

• mustn´t have