Past Modals for speculation and / or deduction | Baamboozle - Baamboozle

I'm sorry, but Samantha is not here. It's 5:00 p.m., so she _________________ already left the office

must have

He _______________ known it was your birthday. Otherwise, he would have wished you a happy day.

can't have

You ____________ tried to fix the roof yourself. You might have fallen off and been badly injured.

shouldn't have

I'm sorry, but Samantha is not here. it's 5:00 p.m., so she _________________ already left the office

must have

John has forgotten about the meeting. We ____________________ reminded him about it yesterday.

should have

Clara was very upset with you yesterday. You __________________ apologized for saying she was lazy.

should have

I left my bicycle in front of the library, but it's disappeared. Someone ____________ stolen it.

must have

Andrew didn't study for the test, but he's passed. I think he ________________cheated.

might have / may have

He _______________ bought a new car. He told me he didn't have any money.

can't have

I had to wait 45 minutes for a bus yesterday. It _______________ been an accident or maybe a strike.

might have / may have

Sarah __________________ been so happy when she found out she was being promoted!

must have

The boss is in a terrible mood. The meeting _________________ been good.

can't have

The concert was fantastic! You really _______________ come!

should have

He _________________ arrived by now. It's only a 20 minute journey!

must have

You _____________________ shouted at him. He'll never forgive you!

shouldn't have

She ____________________ studied really hard. She passed all her exams with excellent grades.

must have