Perfect and Modals

1. Janet's not in school today. She _________ have overslept.

• Should

• Might

• Couldn't

• Mustn't

My parents haven't arrived at the party yet. They don't know this city very well. They ____________ have gotten lost.

• Should

• Must

• Shouldn't

• Mustn't

. I'm sleepy today. I definitely __________ have stayed up so late last night.

• Couldn't

• could

• Might

• Shouldn't

How did Linda catch a cold? I'm not sure. She __________ have gone out in the rain.

• couldn't

• should

• may

• mustn't

Mother didn't answer the phone. She ____________ been sleeping.

• should have

• might have

• must have

• mustn't have

I think I ate too much at dinner. I definitely __________ skipped dessert.

• should have

• shouldn't have

• could have

• must have

He’s the best athlete in the world. He ________________ lost that race…

• couldn't have

• could have

• should have

• miight have

Nancy did very well on her history test. She ______________ studied hard.

• might have

• should have

• must have

• shouldn't have

We couldn't hear our teacher all day. He __________________ spoken louder.

• should have

• must have

• could have

• shouldn't have

It was a good movie. You _______________ seen it.

• could have

• should have

• must have

• shouldn't have