Past Modal Verbs of Deduction ExerciseShe must have gone out-There is strong evidence.I might have made a mistake -There is a possibility that I made a mistake.He can't have been there.-It's impossible.You should have apologised-A criticismYou shouldn't have said that.-A criticism A Fill the gaps with must have, might have or can't have.1She studied really hard. She passed all her exams with excellent grades. 2You shouted at him. He'll never forgive you.3He arrived by now. It's only a 20 minute journey.4The concert was fantastic. You really come.5The boss is in a terrible mood. The meeting been good.6Sarah been so happy when she found out she was being promoted.7I had to wait 45 minutes for a bus yesterday. There been an accident or maybe a strike.8He bought a new car. He doesn't have any money.9Andrew did no revision for the exam but he's passed. I think he cheated.10I left my bicycle in front of the library and it's disappeared. Someone stolen it.11Clara was very upset with you yesterday. You apologised for saying she was lazy.12John has forgotton about the meeting. We reminded him about it yesterday.13I'm sorry but Samantha isn't here. She already left the office.14You tried to fix the roof yourself. You might have fallen off and been badly injured.15He known it was your birthday. Otherwise, I'm sure he would have wished you a happyday. B Now write some examples of your own.

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