Could Have Should Have Would Have

Raul did not do well on the test. He __ studied for it.

• should have

• could have

• would have

The quiz was a surprise. Teacher __ told us about it earlier.

• should have

• could have

• would have

I __ driven you home from school. I didn't know that you needed a ride.

• should have

• could have

• would have

The students __ written longer essays, but the teacher said 10 pages was long enough.

• should have

• could have

• would have

Adam __ asked his roommate for help with his homework. He didn't because his roommate was busy.

• should have

• could have

• would have

Yao __ eaten so much. Now he doesn't feel well.

• shouldn't have

• couldn't have

• wouldn't have

Mario __ given you money. He never has any!

• shouldn't have

• couldn't have

• wouldn't have

Kate __ been accepted to the school even if she had applied on time. Her grades aren't very good.

• shouldn't have

• couldn't have

• wouldn't have

Did I wake you? I'm sorry! I __ called you so late at night.

• shouldn't have

• couldn't have

• wouldn't have

If you had been ready on time you __ missed the bus.

• shouldn't have

• couldn't have

• wouldn't have