Step 2 of 6: Grammar

Day 39 • Modal Verbs Part 4

MUST & HAVE TO (Necessity & Compulsion) ⚡

Master expressing Obligations (करना ही है), Prohibitions (Mustn't = मना है), No Necessity (Don't have to), and time shifts with Had to & Will have to!

Day 39 Goals Tracker

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MUST (Strong Necessity & Rules)

करना ही चाहिए / बहुत जरूरी है (Internal decision or Official Rule)

1. Strong Personal Decision (खुद का फैसला):

I must study tonight. / I must call my mother.

👉 मुझे आज रात पढ़ाई करनी ही है। / मुझे माँ को call जरूर करना है।

2. Official Rules & Laws (नियम व कानून):

You must wear a seatbelt. / Visitors must show ID.

👉 Seatbelt पहनना अनिवार्य है। / Visitors को ID दिखाना जरूरी है।

3. Strong Advice (मजबूत सलाह - Stronger than should):

You must see a doctor immediately.

👉 तुम्हें तुरंत doctor को दिखाना ही होगा।

4. Logical Deduction (पक्का अनुमान):

He has worked all day. He must be tired.

👉 उसने पूरे दिन काम किया है। वह जरूर थका होगा।

HAVE TO / HAS TO (External Obligation)

करना पड़ता है / स्थिति के कारण जरूरी है (Schedule / Job / Circumstance)

1. External Condition (मजबूरी / परिस्थिति):

I have to study because I have an exam tomorrow.

👉 मुझे पढ़ना पड़ेगा क्योंकि कल exam है। (Exam forces it)

2. Daily Routine & Job Duties (रोज का काम):

I have to wake up at 6 AM. / He has to go to work.

👉 मुझे 6 बजे उठना पड़ता है। / उसे काम पर जाना पड़ता है।

3. Subject Agreement (have to vs has to):

I / You / We / They → have to

He / She / It / Name → has to

👉 Ravi has to attend the meeting.

🚨 MUSTN'T vs. DON'T HAVE TO (Crucial Difference!)

These two negatives mean completely opposite things in English!

MUSTN'T = Prohibited (मना है / बिल्कुल नहीं करना)

"You mustn't smoke here."

👉 यहाँ smoking करना सख्त मना है! (0% Allowed)

"You mustn't drive without a license."

👉 बिना license गाड़ी चलाना गैरकानूनी है।

DON'T HAVE TO = Not Necessary (जरूरत नहीं है / Optional)

"You don't have to come tomorrow."

👉 तुम्हें कल आने की जरूरत नहीं है। (आना चाहो तो आ सकते हो, पर compulsory नहीं है)

"You don't have to bring your laptop."

👉 Laptop लाने की जरूरत नहीं है (lab में computers हैं)।

💡 Remember: Mustn't = You have NO choice (Forbidden). Don't have to = You DO have a choice (Not required).

Common Mistakes to Avoid 🚨

He must goes. ❌

He must go. ✅

💡 Must always takes V1!

She must to study. ❌

She must study. ✅

💡 Never use 'to' after must!

I musted go yesterday. ❌

I had to go yesterday. ✅

💡 No 'musted' in English! Use 'had to' for past!

He doesn't has to go. ❌

He doesn't have to go. ✅

💡 After doesn't, use base 'have to', not 'has'!

She don't have to work. ❌

She doesn't have to work. ✅

💡 She takes doesn't have to!

You mustn't to park here. ❌

You mustn't park here. ✅

💡 No 'to' after mustn't!

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