MODALS (सहायक क्रियाएँ) – Complete Guide for Competitive Exams
olds questions papers and tricks
📚 WHAT ARE MODALS?
Modals = Helping verbs that express Ability, Permission, Possibility, Obligation, Advice, etc.
✅ List of Modals:
- Can, Could, May, Might, Shall, Should, Will, Would, Must, Ought to, Used to, Need, Dare
🎯 CORE MODALS WITH TRICKS
1. CAN – क्षमता / सामान्य अनुमति
| Use | Rule | Example |
| Ability (क्षमता) | Can + V1 | I can swim. |
| Permission (अनुमति – informal) | Can + V1 | Can I go now? |
| Possibility (संभावना – general) | Can + V1 | It can rain today. |
🧠 TRICK: CAN = “कर सकता हूँ” (Ability)
- ✅ He can speak five languages. (Ability)
- ✅ Can you help me? (Request)
2. COULD – विनम्र अनुरोध / भूतकाल
| Use | Rule | Example |
| Past ability (भूतकाल) | Could + V1 | I could swim when I was 5. |
| Polite Request (विनम्र अनुरोध) | Could + V1 | Could you please help me? |
| Less possibility (कम संभावना) | Could + V1 | It could rain tomorrow. |
🧠 TRICK: COULD = Past of CAN + Polite Request
- ✅ I could run fast in my youth. (Past ability)
- ✅ Could I borrow your pen? (Polite)
3. MAY – अनुमति / संभावना
| Use | Rule | Example |
| Permission (औपचारिक अनुमति) | May + V1 | May I come in, sir? |
| Possibility (संभावना – 50%) | May + V1 | She may come today. |
| Wish (शुभकामना) | May + V1 | May you live long! |
🧠 TRICK: MAY = Formal Permission + 50% Possibility
- ✅ May I use your phone? (Formal)
- ✅ He may be at home. (Possibility)
4. MIGHT – कम संभावना / सुझाव
| Use | Rule | Example |
| Less possibility (कम संभावना – 30%) | Might + V1 | It might rain today. |
| Past of May (भूतकाल) | Might + have + V3 | He might have gone. |
| Suggestion (सुझाव) | Might + V1 | You might try this. |
🧠 TRICK: MIGHT = 30% Possibility (May से कम)
- ✅ She might be sleeping. (Uncertain)
- ✅ He might have missed the train. (Past possibility)
5. SHOULD – सलाह / कर्तव्य
| Use | Rule | Example |
| Advice (सलाह) | Should + V1 | You should study daily. |
| Duty/Obligation (कर्तव्य) | Should + V1 | We should respect elders. |
| Expectation (अपेक्षा) | Should + V1 | He should reach by 6 PM. |
🧠 TRICK: SHOULD = “चाहिए” (Advice/Duty)
- ✅ You should consult a doctor. (Advice)
- ✅ Students should obey teachers. (Duty)
6. MUST – मजबूरी / नैतिक कर्तव्य
| Use | Rule | Example |
| Strong obligation (मजबूरी) | Must + V1 | You must wear a seatbelt. |
| Moral duty (नैतिक कर्तव्य) | Must + V1 | We must help the poor. |
| Necessity (अत्यंत आवश्यक) | Must + V1 | I must finish this today. |
🧠 TRICK: MUST = “अवश्य” (Stronger than Should)
- ✅ You must stop at red light. (Compulsion)
- ✅ She must be tired after work. (Logical assumption)
7. WILL – निश्चय / भविष्य
| Use | Rule | Example |
| Future (भविष्य) | Will + V1 | I will go tomorrow. |
| Determination (दृढ़ निश्चय) | Will + V1 | I will succeed. |
| Request (अनुरोध) | Will + V1 | Will you help me? |
🧠 TRICK: WILL = “करूँगा” (Future/Determination)
- ✅ He will arrive at 5 PM.
- ✅ I will never give up.
8. WOULD – विनम्र अनुरोध / आदत
| Use | Rule | Example |
| Polite request (विनम्र) | Would + V1 | Would you please sit? |
| Past habit (भूतकाल की आदत) | Would + V1 | He would visit us daily. |
| Conditional (शर्त) | Would + V1 | If I were you, I would go. |
🧠 TRICK: WOULD = Polite + Past Habit + Condition
- ✅ Would you like some tea? (Polite)
- ✅ She would play for hours. (Past habit)
9. OUGHT TO – नैतिक कर्तव्य
| Use | Rule | Example |
| Moral obligation | Ought to + V1 | We ought to respect parents. |
| Advice | Ought to + V1 | You ought to study. |
🧠 TRICK: OUGHT TO = Should (Same meaning, formal)
- ✅ He ought to apologize. = He should apologize.
10. USED TO – भूतकाल की आदत
| Use | Rule | Example |
| Past habit | Used to + V1 | I used to play cricket. |
| Past state | Used to + V1 | She used to be shy. |
🧠 TRICK: USED TO = Past habit (अब नहीं)
- ✅ He used to smoke, but now he doesn’t.
🔥 DIFFERENCE BETWEEN SIMILAR MODALS (Most Important!)
SHALL vs WILL
| SHALL | WILL | |
| Traditional British | I/We + Shall | Others + Will |
| Modern/American | Rarely used | All subjects |
| Determination | I shall succeed! | He will succeed! |
✅ Exam Standard (British):
- I shall go. (Correct – I/We)
- He will go. (Correct – Others)
❌ I will go. (Informal – but acceptable now)
SHOULD vs MUST vs OUGHT TO
| SHOULD | MUST | OUGHT TO | |
| Strength | Medium (सलाह) | Strongest (मजबूरी) | Strong (नैतिक) |
| Meaning | “चाहिए” | “अवश्य/जरूर” | “करना चाहिए” |
| Example | You should exercise. | You must stop. | You ought to help. |
CAN vs COULD vs MAY vs MIGHT (Possibility)
| Modal | Possibility Level | Example |
| Can | 70% (General) | It can rain. |
| May | 50% (Possible) | It may rain. |
| Could | 40% (Less) | It could rain. |
| Might | 30% (Least) | It might rain. |
CAN vs MAY (Permission)
| CAN | MAY | |
| Formality | Informal | Formal |
| Use | General permission | Formal/Permission |
| Example | Can I use your pen? | May I come in, sir? |
COULD vs WOULD (Request)
| COULD | WOULD | |
| Use | Ability-based request | Willingness-based request |
| Example | Could you help me? | Would you help me? |
| Difference | “क्या आप कर सकते हैं?” | “क्या आप करेंगे?” |
📝 OLD EXAM QUESTIONS (पुराने प्रश्न पत्र)
SET 1: Basic Level
Q.1 I ______ swim when I was five. (SSC GD 2020)
- (a) can (b) could (c) may (d) will
Answer: (b) could ✅
Reason: Past ability → Could
Q.2 You ______ obey the traffic rules. (SSC CHSL 2021)
- (a) may (b) can (c) must (d) could
Answer: (c) must ✅
Reason: Strong obligation → Must
Q.3 ______ I come in, sir? (SSC MTS 2022)
- (a) Can (b) May (c) Might (d) Will
Answer: (b) May ✅
Reason: Formal permission → May
Q.4 You ______ take rest if you are tired. (NDA 2018)
- (a) must (b) should (c) can (d) would
Answer: (b) should ✅
Reason: Advice → Should
Q.5 He ______ be at home now. (SSC CPO 2020)
- (a) may (b) should (c) must (d) could
Answer: (a) may ✅
Reason: Possibility (50%) → May
SET 2: Intermediate Level
Q.6 I ______ rather die than beg. (SSC CGL 2019)
- (a) will (b) would (c) should (d) must
Answer: (b) would ✅
Reason: Preference → Would rather
Q.7 He ______ have reached by now. (Bank PO 2018)
- (a) should (b) could (c) may (d) might
Answer: (a) should ✅
Reason: Expectation → Should have + V3
Q.8 ______ you please pass the salt? (SSC CHSL 2022)
- (a) Can (b) May (c) Will (d) Could
Answer: (d) Could ✅
Reason: Polite request → Could (Will भी चलेगा)
Q.9 She ______ visit us next week. (SSC MTS 2021)
- (a) can (b) may (c) would (d) must
Answer: (b) may ✅
Reason: Possibility → May
Q.10 ______ God bless you! (SSC GD 2020)
- (a) May (b) Might (c) Can (d) Could
Answer: (a) May ✅
Reason: Wish → May
SET 3: Error Detection
Q.11 Find the error: (SSC CGL 2022)
He can (A) / speak English (B) / very fluently (C) / since his childhood. (D)
- (a) A (b) B (c) C (d) D
Answer: (d) D ❌
Correct: “…from his childhood.” (Since = point of time)
Actually “can” is correct for ability
Q.12 Find the error: (Bank PO 2021)
You must (A) / not smoke (B) / in the hospital (C) / because it is harmful. (D)
- (a) A (b) B (c) C (d) D
Answer: No error ✅
“Must not” = prohibition (Correct)
Q.13 Find the error: (SSC CHSL 2023)
I should (A) / have completed (B) / the work (C) / by next Monday. (D)
- (a) A (b) B (c) C (d) D
Answer: (a) A ❌
Correct: “I will have completed…”
Reason: Future completion → Will have + V3
Q.14 Find the error: (CDS 2022)
He said that (A) / he might (B) / come tomorrow (C) / if he gets time. (D)
- (a) A (b) B (c) C (d) D
Answer: No error ✅
“Might come” = Past reporting of “may come” (Correct)
Q.15 Find the error: (SSC CPO 2023)
You ought (A) / to help (B) / the poor (C) / if possible. (D)
- (a) A (b) B (c) C (d) D
Answer: No error ✅
“Ought to” = Moral duty (Correct)
SET 4: Advanced Level
Q.16 He ______ have stolen the money. (SSC CGL 2021)
- (a) can (b) might (c) shall (d) will
Answer: (b) might ✅
Reason: Past possibility (Less certain) → Might have + V3
Q.17 You ______ not worry. I will handle it. (Bank PO 2020)
- (a) need (b) would (c) must (d) should
Answer: (a) need ✅
Reason: Need not = Not necessary (Correct)
Q.18 I ______ go to the party, but I’m not sure. (SSC MTS 2023)
- (a) may (b) can (c) must (d) should
Answer: (a) may ✅
Reason: Uncertainty → May
Q.19 She ______ be very tired after the long journey. (NDA 2021)
- (a) must (b) can (c) could (d) would
Answer: (a) must ✅
Reason: Logical conclusion → Must
Q.20 ______ I use your phone? (SSC CHSL 2023)
- (a) Should (b) Would (c) May (d) Must
Answer: (c) May ✅
Reason: Formal permission → May
SET 5: Modal + Have + V3 (Perfect Modals)
Q.21 He ______ have arrived by now. (SSC GD 2022)
- (a) should (b) can (c) may (d) might
Answer: (a) should ✅
Reason: Expectation → Should have + V3
Q.22 She ______ have missed the train. (Bank PO 2019)
- (a) must (b) may (c) can (d) would
Answer: (b) may ✅
Reason: Past possibility → May have + V3
Q.23 He ______ have stolen the money. (SSC CGL 2020)
- (a) might (b) can (c) will (d) shall
Answer: (a) might ✅
Reason: Less certain past possibility → Might have + V3
Q.24 I ______ have helped him, but I was busy. (SSC CPO 2021)
- (a) should (b) could (c) would (d) must
Answer: (b) could ✅
Reason: Past ability/past possibility → Could have + V3
Q.25 If I had known, I ______ have come. (CDS 2022)
- (a) would (b) should (c) might (d) must
Answer: (a) would ✅
Reason: Conditional past → Would have + V3
🔥 PERFECT MODALS (Modal + Have + V3) – Important!
| Modal + Have + V3 | Use | Example |
| Should have + V3 | कुछ करना चाहिए था (लेकिन नहीं किया) | I should have studied. |
| Could have + V3 | कर सकता था (लेकिन नहीं किया) | I could have helped. |
| Would have + V3 | करता (Conditional) | I would have come. |
| May have + V3 | शायद किया हो | He may have left. |
| Might have + V3 | शायद किया हो (Less certain) | She might have taken it. |
| Must have + V3 | अवश्य किया होगा (Logical) | He must have reached. |
📊 QUICK REVISION TABLE
| Modal | Main Use | Example | Hindi Meaning |
| Can | Ability, Permission | I can swim. | कर सकता हूँ |
| Could | Past ability, Polite | I could run fast. | कर सकता था |
| May | Permission, Possibility | May I come in? | आ सकता हूँ |
| Might | Less possibility | It might rain. | शायद |
| Will | Future, Determination | I will go. | जाऊँगा |
| Would | Polite, Past habit, Conditional | Would you help? | करेंगे? |
| Should | Advice, Duty | You should study. | चाहिए |
| Must | Strong obligation | You must stop. | अवश्य |
| Ought to | Moral duty | We ought to help. | चाहिए |
| Used to | Past habit | I used to play. | करता था |
| Need | Necessity (negative) | I need not go. | ज़रूरत नहीं |
🎯 SUPER TRICKS SUMMARY
TRICK 1: Possibility Level याद रखें
- Can (70%) > May (50%) > Could (40%) > Might (30%)
TRICK 2: Permission Level
- May (Formal) → Can (Informal) → Could (Polite)
TRICK 3: Obligation Level
- Must (Strongest) > Ought to > Should (Weakest)
TRICK 4: Past Habit
- Used to + V1 (Past habit)
- Would + V1 (Past habit – repeated actions)
TRICK 5: Perfect Modals (Exam में पक्का!)
- Should have = किया होता (लेकिन नहीं किया)
- Could have = कर सकता था
- Would have = करता (Conditional)
- Must have = ज़रूर किया होगा
- May/Might have = शायद किया हो
💪 COMMON EXAM TRAPS
Trap 1: Should vs Must
- ❌ You must take rest. (Too strong – unnecessary)
- ✅ You should take rest. (Advice – correct)
Trap 2: Can vs May (Permission)
- ❌ Can I come in, sir? (Informal – not suitable for sir)
- ✅ May I come in, sir? (Formal – correct)
Trap 3: Could vs Would (Request)
- ❌ Could you like tea? (Wrong)
- ✅ Would you like tea? (Correct)
Trap 4: Used to vs Would
- ❌ I used to have a car. (Correct – state)
- ❌ I would have a car. (Wrong – not for state)
Trap 5: Must vs Should (Logical conclusion)
- ✅ He must be tired. (Logical – 90% sure)
- ✅ He should be tired. (Expectation – 60% sure)
📌 MOST IMPORTANT FOR EXAMS:
- Can vs Could → 1-2 questions
- May vs Might → 1-2 questions
- Should vs Must → 1-2 questions
- Modal + Have + V3 → 1-2 questions (पक्का!)
- Used to vs Would → 1 question
- Error Detection → 1-2 questions
💪 Practice Tips:
- 50 questions daily solve करें
- Perfect Modals पर ज़्यादा ध्यान दें
- Previous papers (SSC CGL, CHSL, Bank PO, NDA, CDS) solve करें
- Difference between similar modals याद रखें
- Context देखें कि वाक्य में क्या Meaning है
About The Author
