past modals

I’m not a fan of their logo. I think they ______ changed it years ago.

• could have

• would have

• must have

• should have

I can’t believe you met Steve Jobs in person. That _______ been amazing!

• should have

• must have

• couldn't have

• might have

Do you think we _______ avoided the economic crisis if we had taken greater precaution?

• should have

• might not have

• could have

• must have

The investigators have several ideas about what _______ caused the fire.

• should have

• might have

• would have

• wouldn't have

You _______ mentioned it in front of the rest of the team. I would have talked to him in private about it.

• shouldn't have

• should have

• would have

• could have

They said they were going to pick us up at 7 p.m. I think they _______ taken a wrong turn somewhere.

• must not have

• should have

• may have

• would have

Our security system shows that he swiped in with his badge at 8:14 AM, so he ________ been in the office yesterday.

• should have

• must have

• might have

• could have

Tim’s supposed to be here, but it looks like he _______ forgotten.

• may have

• would have

• couldn't have

• shouldn't have

Teresa’s English is flawless. She _______ had a lot of exposure to the language.

• should have

• may have

• could have

• must have

You ________ told me you needed help. I would have pitched in.

• must not have

• shouldn't have

• should have

• may have