Devoir : MUST ou HAVE TO
Obligation personnelle ou externe ? Une nuance importante des modaux !
Le piège expliqué
💭 MUST
Obligation personnelle, sentiment, recommandation
I must stop smoking. (Je dois arrêter de fumer - décision personnelle)
You must see this film! (Tu dois voir ce film - recommandation)
Exprime ce que la personne ressent comme nécessaire
📋 HAVE TO
Obligation externe, règles, lois
I have to pay my bills. (Je dois payer mes factures - obligation)
She has to wear a uniform. (Elle doit porter un uniforme - règlement)
Imposé par les circonstances, la loi, les règles
❌ Erreur fréquente
❌ I must to go
✅ I must go (Je dois partir)
✅ I have to go (Je dois partir)
🔄 Comparaison
I must call my mother = Je ressens le besoin de l'appeler
I have to call my mother = Elle m'a demandé de l'appeler
📋 Structures
MUST + base verb (pas de "to")
HAVE TO + base verb (conjugué)
Exercices d'entraînement
1. I ___ stop smoking.
2. I ___ pay my bills.
3. You ___ see this movie, it's amazing!
4. She ___ wear a uniform at work.
5. I ___ call my mother.
6. Students ___ arrive on time.
7. I ___ lose weight.
8. We ___ show our passport at the airport.
9. You ___ try this cake!
10. Children ___ go to school.