Modals in English Grammar – Notes for Exams
🔹 What are Modals?
Modals are auxiliary (helping) verbs used to express ability, possibility, permission, obligation, necessity, probability, etc.
🔹 Common Modal Verbs:
-
Can / Could
-
May / Might
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Shall / Should
-
Will / Would
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Must
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Ought to
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Need / Need not
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Dare / Dare not
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Used to
🔹 Types and Use of Modals with Examples:
Modal | Use | Example |
---|---|---|
Can | Ability, permission | I can swim. / Can I use your pen? |
Could | Past ability, polite request | He could run fast. / Could you help me? |
May | Permission, possibility | May I come in? / It may rain today. |
Might | Less possibility | He might be at home. |
Shall | Suggestion (1st person), future (formal) | Shall we go? / I shall return soon. |
Should | Advice, expectation | You should study. |
Will | Future, certainty | He will pass the exam. |
Would | Politeness, hypothetical | Would you like tea? / I would go if I were you. |
Must | Strong necessity or obligation | You must wear a helmet. |
Ought to | Moral duty | We ought to respect elders. |
Need / Needn’t | Necessity / lack of necessity | You need not worry. |
Dare / Dare not | Challenge / Negation | He dare not speak. |
Used to | Past habit | I used to play cricket. |
❗ Common Errors Students Make:
❌ Incorrect | ✅ Correct | ❗Explanation |
---|---|---|
He can to swim. | He can swim. | No "to" after modals. |
She musts go now. | She must go now. | No ‘s’ with modal. |
He used to can swim. | He used to swim. | Don't use two modals together. |
You should to eat well. | You should eat well. | No "to" after should. |
🔥 Most Repeated MCQs on Modals (SSC, BANK, UGC NET)
📝 MCQ Practice Set – Modals
Q1. You ____ not worry about the exam. It’s easy.
a) should
b) must
c) need
d) needn’t
👉 Correct Answer: d) needn’t
📌 Common mistake: Choosing "should" instead of "needn't" which means "not necessary".
Q2. He ____ speak five languages when he was young.
a) could
b) can
c) may
d) should
👉 Correct Answer: a) could
Q3. Students ____ bring their ID cards to the exam hall.
a) would
b) might
c) must
d) may
👉 Correct Answer: c) must
📌 “Must” is used for strong obligation.
Q4. I ____ go to the doctor if the pain continues.
a) shall
b) might
c) could
d) must
👉 Correct Answer: d) must
Q5. You ____ speak politely to your parents.
a) can
b) ought to
c) would
d) could
👉 Correct Answer: b) ought to
Q6. ____ I borrow your book for a day?
a) Must
b) Could
c) Should
d) Might
👉 Correct Answer: b) Could
📌 “Could” is more polite than “can” in formal English.
Q7. He ____ be sleeping; the light is off.
a) must
b) can
c) may
d) will
👉 Correct Answer: a) must
📌 “Must” used for strong logical assumption.
Q8. You ____ park here. It's a no-parking zone.
a) must
b) should
c) needn’t
d) mustn’t
👉 Correct Answer: d) mustn’t
📌 Students often confuse “mustn’t” (prohibition) with “needn’t” (not necessary).
Q9. We ____ be at the station by 6 pm.
a) ought to
b) may
c) should
d) used to
👉 Correct Answer: a) ought to
Q10. He ____ play the guitar when he was 10.
a) might
b) could
c) should
d) will
👉 Correct Answer: b) could
Modals MCQs – Commonly Confused / Mistaken Questions
Q1. He ___ to finish the work before sunset.
a) must
b) ought
c) should
d) will
✅ Correct Answer: b) ought
❗ Common Mistake: Students choose "must" thinking it's about necessity, but "ought to" shows moral obligation which fits better here.
2. You ___ not drive so fast. It's dangerous.
a) must
b) can
c) should
d) mustn’t
✅ Correct Answer: d) mustn’t
❗ Common Mistake: Many choose "should" or "must", but "mustn’t" means strict prohibition, which fits the warning tone.
Q3. She ___ play the piano very well when she was five.
a) can
b) may
c) could
d) will
✅ Correct Answer: c) could
❗ Common Mistake: Students choose "can", forgetting that "could" is used for past ability.
Q4. You ___ see a doctor if your fever doesn’t come down.
a) may
b) would
c) must
d) could
✅ Correct Answer: c) must
❗ Common Mistake: Students choose "may" or "could", but "must" shows urgent necessity.
Q5. He ___ to go to school, but now he doesn’t.
a) used
b) used to
c) ought
d) can
✅ Correct Answer: b) used to
❗ Common Mistake: Many pick "used", but the correct form to show past habit is "used to".
Q6. She ___ have missed the train. She left very late.
a) can
b) must
c) might
d) would
✅ Correct Answer: b) must
❗ Common Mistake: Choosing "might" or "can" instead of "must", which shows a strong assumption based on evidence.
Q7. He ___ smoke a lot, but now he’s quit.
a) used to
b) must
c) should
d) would
✅ Correct Answer: a) used to
❗ Common Mistake: Students confuse "used to" (past habit) with "would" or "should".
Q8. You ___ be late. The teacher is very strict.
a) should
b) mustn’t
c) might
d) would
✅ Correct Answer: b) mustn’t
❗ Common Mistake: Many pick "should", but "mustn’t" gives a strict warning.
Q9. ___ you like to have tea or coffee?
a) Shall
b) Will
c) Would
d) Should
✅ Correct Answer: c) Would
❗ Common Mistake: Students use "will" instead of "would", but "would you like" is the polite form for offering.
Q10. You ___ take rest. You look tired.
a) ought to
b) mustn’t
c) can
d) may
✅ Correct Answer: a) ought to
❗ Common Mistake: Choosing "can" or "may", but "ought to" is correct for giving advice based on condition.
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