Past Modal Verbs for Speculating-Quiz

Marcela didn't come to class yesterday. She __________ an accident.

• couldn't have had

• may have had

• would have had

John didn't do his homework, so the teacher became very angry. John _________ his homework.

• could have done

• must have done

• should have done

Sharon was supposed to be here at nine o'clock. She __________ about our meeting.

• must forget

• must have forgotten

• couldn't have forgotten

Where do you think Juan is today? I have no idea. He ____________.

• may have slept

• should have slept

• couldn't have slept

George missed class today. He ___________ an accident.

• might have had

• might had had

• couldn't have had

Robert arrived without his books. He ___________ it.

• should have lost

• could have lost

• mustn't have lost

Thomas received a warning for speeding. He __________ so fast.

• would have driven

• should have driven

• shouldn't have driven

Henry's car stopped on the highway. It ___________ out of gas.

• may run

• may have run

• should have run

Alexis failed the exam. He ___________ enough.

• mustn't have studied

• might have studied

• should have studied

Susan did very well on the exam. She ____________ very hard.

• could have studied

• might have studied

• must have studied