Worksheets

Modal Verbs (can / could / must / should / may / might / have to / need to)

B1–B2 grammar quiz on using modal verbs for ability, permission, obligation, advice, and possibility.

Level: B2 • Questions: 20

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Q1. You ___ bring your ID to enter the building.

(A) can (B) must (C) might (D) should

Explanation

‘Must’ = rule or obligation.

Q2. We ___ study tonight. The exam is tomorrow.

(A) can (B) should (C) might (D) must

Explanation

‘Must’ = necessity/obligation.

Q3. You ___ smoke here. It’s forbidden.

(A) shouldn’t (B) can’t (C) must (D) don’t have to

Explanation

‘Can’t’ = prohibition.

Q4. You ___ eat so much junk food. It’s not healthy.

(A) might not (B) mustn’t (C) can’t (D) shouldn’t

Explanation

‘Shouldn’t’ = mild negative advice.

Q5. You ___ wear a seat belt while driving.

(A) can (B) must (C) should (D) might

Explanation

‘Must’ = strong obligation.

Q6. When I was a child, I ___ climb trees easily.

(A) must (B) can (C) could (D) may

Explanation

Past ability → ‘could’.

Q7. You ___ go to the doctor. You look sick.

(A) must (B) can (C) should (D) might

Explanation

‘Should’ = advice or recommendation.

Q8. We ___ be late if we don’t hurry.

(A) must (B) might (C) should (D) can

Explanation

‘Might’ = possible future consequence.

Q9. You ___ park here without a permit.

(A) should (B) don’t have to (C) might not (D) mustn’t

Explanation

‘Mustn’t’ = not allowed (prohibition).

Q10. He ___ speak three languages fluently.

(A) should (B) can (C) must (D) could

Explanation

‘Can’ = ability in the present.

Q11. You ___ tell anyone our secret.

(A) mustn’t (B) can’t (C) don’t have to (D) shouldn’t

Explanation

‘Mustn’t’ = prohibition, not allowed.

Q12. He ___ be at work, but I’m not sure.

(A) might (B) must (C) should (D) have to

Explanation

‘Might’ = possibility (50%).

Q13. You ___ arrive before 8 p.m. It’s optional.

(A) don’t have to (B) can’t (C) shouldn’t (D) mustn’t

Explanation

‘Don’t have to’ = not necessary.

Q14. I ___ finish my homework before going out.

(A) should (B) must (C) can (D) have to

Explanation

‘Have to’ = external necessity.

Q15. He ___ be very tired; he’s been working all day.

(A) can (B) should (C) could (D) must

Explanation

‘Must’ shows strong probability.

Q16. I ___ swim when I was five years old.

(A) could (B) should (C) can (D) must

Explanation

‘Could’ = past ability.

Q17. It’s late. He ___ be at home now.

(A) can (B) could (C) should (D) must

Explanation

‘Must be’ = logical deduction (present).

Q18. We ___ finish this project by Monday. The boss said so.

(A) must (B) should (C) can (D) might

Explanation

Strong obligation → ‘must’.

Q19. ___ I borrow your pen, please?

(A) Should (B) Can (C) Must (D) Have to

Explanation

‘Can’ used to ask for permission.

Q20. If you feel bad, you ___ see a doctor.

(A) might (B) could (C) must (D) should

Explanation

‘Should’ = suggestion or advice.

Result Summary

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Modal Verbs (can / could / must / should / may / might / have to / need to)

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My Words / Kelime Defterim (this quiz)