I’m sure that he didn’t forget about the meeting. (can’t) He __________________________ about the meeting., He can’t have forgotten about the meeting., I’m certain that they arrived very late. (must) They __________________________ very late., They must have arrived very late., It’s possible that she missed the train. (might) She __________________________ the train., She might have missed the train., I’m sure that Tom wasn’t at home yesterday evening. (can’t) Tom __________________________ at home yesterday evening., Tom can’t have been at home yesterday evening., Perhaps they didn’t understand the instructions. (have) They __________________________ the instructions., They may/might not have understood the instructions., I’m certain that you were very tired after the trip. (must) You __________________________ very tired after the trip., You must have been very tired after the trip., It’s possible that he took the wrong bus. (might) He __________________________ the wrong bus., He might have taken the wrong bus., I’m sure that she didn’t tell him the truth. (can’t) She __________________________ him the truth., She can’t have told him the truth., I’m certain that they enjoyed the concert. (must) They __________________________ the concert., They must have enjoyed the concert., Perhaps she left her phone at home. (might) She __________________________ her phone at home., She might have left her phone at home., I’m sure that he didn’t finish the project on time. (can’t) He __________________________ the project on time., He can’t have finished the project on time., I’m certain that it was very expensive. (must) It __________________________ very expensive., It must have been very expensive., It’s possible that they forgot to call you. (might) They __________________________ to call you., They might have forgotten to call you., I’m sure that she didn’t hear the alarm. (can’t) She __________________________ the alarm., She can’t have heard the alarm., I’m certain that he studied a lot for the exam. (must) He __________________________ a lot for the exam., He must have studied a lot for the exam., Perhaps they went out for dinner. (might) They __________________________ out for dinner., They might have gone out for dinner., I’m sure that we didn’t make a mistake. (can’t) We __________________________ a mistake., We can’t have made a mistake., I’m certain that she felt nervous before the presentation. (must) She __________________________ nervous before the presentation., She must have felt nervous before the presentation., It’s possible that he lost his keys. (might) He __________________________ his keys., He might have lost his keys., I’m sure that they didn’t know about the problem. (can’t) They __________________________ about the problem., They can’t have known about the problem.

Past probability/possibility

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?