Instructions: Read each sentence carefully. Choose could or might to complete the sentence, thinking about the level of possibility or the type of action described.
Name:
Date:
1. When I lived in the city, I (could / might) walk to work every day. (past ability)
2. I haven't checked the weather yet, but it (could / might) rain this afternoon. (uncertain possibility)
3. We (could / might) try calling the client again; they might be available now. (suggestion)
4. She looks tired; she (could / might) not have slept well last night. (speculation about the past)
5. If we leave early, we (could / might) avoid the worst of the traffic. (general possibility/opportunity)
6. He said he (could / might) be late for the meeting, but he wasn't sure. (uncertain possibility)
7. Before smartphones, people (could / might) only make calls from landlines. (past ability/limitation)
8. I'm not sure if the new software will work, but it (could / might) solve our problem. (weak possibility/hope)
9. (Could / Might) you please help me carry these boxes? (polite request)
10. The company (could / might) open a new branch next year, but it's not confirmed yet. (uncertain future plan)
11. If you study hard, you (could / might) pass the exam easily. (general possibility based on action)
12. I heard a noise; there (could / might) be someone at the door. (speculation/slight possibility)
13. They (could / might) not agree to our terms, so we need a backup plan. (uncertain future outcome)
14. When I was a child, I (could / might) play outside until dark. (past ability/permission)
15. We (could / might) order pizza for lunch today if everyone agrees. (suggestion/option)
16. The flight is delayed; the plane (could / might) be stuck in bad weather. (speculation about the cause)
17. Even with her injury, she (could / might) still compete in the race, though it would be difficult. (present possibility/ability despite obstacle)
18. I'm afraid I (could / might) not be able to attend the conference. (uncertainty/polite refusal)
19. If you put too much sugar, the cake (could / might) be too sweet. (general consequence/possibility)
20. He looked upset; he (could / might) have received some bad news. (stronger speculation/inference about the past)