Learning Task 2. Fill the gaps with must have, might have or can't have. 1 She studied really hard. She passed all her exams with excellent grades. 2 You shouted at him. He'll never forgive you. 3 He. arrived by now. It's only a 20 minute journey. 4 The concert was fantastic. You really come. 5 The boss is in a terrible mood. The meeting been well. 6 Sarah been so happy when she found out she was being promoted. 7 I had to wait 45 minutes for a bus yesterday. There been an accident or maybe a strike. 8 He bought a new car. He doesn't have any money. 9 Andrew did no revision for the exam but he's passed. I think he cheated. 10 I left my bicycle in front of the library and it's disappeared. Someone 11 Clara was very upset with you yesterday. You apologized for saying she was lazy. 12 John has forgotten about the meeting. We. reminded him about it yesterday. 13 I'm sorry but Samantha isn't here. She already left the office. 14 You tried to fix the roof yourself. You might have fallen off and been badly injured. 15 He known it was your birthday. Otherwise, I'm sure he would have wished you a happy day.​