📝 Created by: El Arby Ameur | 📅 August 2026 | 🌐 lesson.tn
✍️ Modal Verbs Can Could Be Able To: Worksheets
Level: A2-B1 | Includes: 5 exercises with answer keys
GrammarExercisesworksheetsprintableanswers
Exercise 1: Fill in can, can't, could, or couldn't
I ______ swim very well when I was a child.
She ______ play the guitar. She's taking lessons.
He ______ come to the party because he was sick.
______ you help me with my homework, please?
They ______ speak French, but they want to learn.
When I was young, I ______ run 10 kilometers.
She ______ believe her eyes when she saw the surprise.
______ you please pass me the salt?
I'm sorry, I ______ attend the meeting tomorrow.
He ______ solve the problem because it was too difficult.
Answers:
1. could | 2. can | 3. couldn't | 4. Can/Could | 5. can't
6. could | 7. couldn't | 8. Could | 9. can't | 10. couldn't
Exercise 2: Complete with be able to (correct form)
I ______ (future) finish the project by tomorrow.
She ______ (past) solve the problem after hours of work.
They ______ (present perfect) save enough money.
______ you ______ (future) attend the meeting?
He ______ (negative future) come to the wedding.
We ______ (past) escape the fire.
She ______ (present) speak three languages.
I ______ (negative past) contact him yesterday.
They ______ (future) see the results next week.
He ______ (present perfect) finish all his work.
Answers:
1. will be able to | 2. was able to | 3. have been able to | 4. Will...be able to | 5. won't be able to
6. were able to | 7. is able to | 8. wasn't able to | 9. will be able to | 10. has been able to
Exercise 3: Choose the correct option
(Can / Could) you please close the door?
I (can / will be able to) meet you tomorrow.
When I was young, I (can / could) run very fast.
She (can to / can) speak five languages.
They (was able to / could) escape the fire despite the smoke.
(Can / Could) I use your phone? (polite request)
She (can / is able to) solve the problem. (present ability)
I (didn't can / couldn't) come to the party yesterday.
He (will can / will be able to) drive next year.
She (can / could) read before she started school.
Answers:
1. Could | 2. will be able to | 3. could | 4. can | 5. was able to
6. Could | 7. can | 8. couldn't | 9. will be able to | 10. could
Exercise 4: Correct the mistakes
She can to swim very well. → ____________________
He cans speak three languages. → ____________________
I didn't can come to the party. → ____________________
She will can help you tomorrow. → ____________________
Could you helped me with this? → ____________________
Answers:
1. She can swim very well.
2. He can speak three languages.
3. I couldn't come to the party.
4. She will be able to help you tomorrow.
5. Could you help me with this?
Exercise 5: Translate to English
أستطيع السباحة. → ____________________
هل يمكنك مساعدتي؟ → ____________________
لم أستطع الحضور أمس. → ____________________
سأكون قادرًا على السفر العام القادم. → ____________________
هل يمكنك إغلاق الباب من فضلك؟ → ____________________
Answers:
1. I can swim.
2. Can/Could you help me?
3. I couldn't come yesterday.
4. I will be able to travel next year.
5. Could you please close the door?