Can, could, be able to: Ability and possibility

This exercise helps you practice using can, could, and be able to in different contexts to talk about ability and possibility. You will complete sentences and answer questions that test your understanding of how these forms work in the present, past, and future. The task is suitable for B1-level learners who want to improve their grammar accuracy and fluency.

1. I _____ usually finish my work before 6 p.m.

2. _____ solve the problem on your own?

3. He _____ reach me because his phone had no signal.

4. _____ attend the meeting tomorrow?

5. Even as a child, she _____ speak three languages fluently.

6. I'm not sure I'll _____ finish it today.

7. She _____ run 10 kilometers without stopping.

8. He _____ finish the report before the deadline.

9. _____ help me move this box?

10. I haven’t _____ sleep well lately.

11. They _____ fix the car before the trip.

12. _____ your sister play the guitar?

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