Past modalsVersión en línea Past modals por English Laboratory 1 Look! Our car isn't in the driveway! Somebody _____________ a must be stealing it. b could have stolen it. c must have stolen it. d might have stolen it. 2 Our son promised to clean his room, but it is still messy. He ___________ a couldn't to have cleaned it. b can't clean it. c cannot clean it. d couldn't have cleaned it. 3 Paul's class starts at 8:30. It's 8:45 and he's not here yet. He __________ a might have missed the bus. b must have missed the bus. c must have been sick. d must be sick. 4 Betty said she was hungry, but she didn't eat very much after all. She ________ a couldn't have liked the food. b couldn't have been hungry. c couldn't like the food. d can't like the food. 5 The hockey player's injury kept him out of the Stanley Cup Playoffs. He _______ a must have been disappointed. b must have been disappointment. c must have been disappointing. d might have been disappointed. 6 I don't know why he hasn't called me back. He _______ a must have forgotten my number. b might forget my number. c might be forgetting my number. d might have forgotten my number. 7 My plants are dead. I ____ a can't have given them enough water. b couldn't give them enough water. c must give them more water. d can't not have given them enough water. 8 My white shirt now has green streaks in it. I ______ a can't have washed it properly. b can't wash it properly. c must not have not washed it properly. d must to wash it properly. 9 The twins have guilty expressions on their faces. They ______ a must have done something naughty. b must do something naughty. c might do something naughty. 10 My friend promised to pick me up at 7:00. It's now 7:25 and I don't see him. He _____ a might be forgetting. b must have forgotten. c might have forgotten. d might forget.
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