Past Modals — Exercise 2
Rewrite each sentence using an appropriate past modal: should have, might have, must have, or can’t have.
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We got lost because we didn’t bring a map. (should)
We should have brought a map.
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1.I’m not sure, but maybe Sarah forgot the meeting. (might)Sarah might have forgotten the meeting.
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2.We didn’t take an umbrella, and now we are soaked. (should)We should have taken an umbrella.
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3.There’s no way they finished the project in one day. (can’t)They can’t have finished the project in one day.
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4.I’m positive that James left the keys here. (must)James must have left the keys here.
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5.Jane didn’t study for the exam, and that’s why she failed it. (should)Jane should have studied for the exam.
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6.I regret not taking that job offer. (should)I should have taken that job offer.
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7.I think John didn’t hear the phone ring. (might)John might not have heard the phone ring.
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8.I’m certain they were at home. (must)They must have been at home.
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9.I’m sure he was confused by the instructions. (must)He must have been confused by the instructions.
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10.There’s no way Tom broke the window. (can’t)Tom can’t have broken the window.
Try this exercise as a worksheet