Corrigé modaux d’obligation : exercices d’anglais seconde

1. can
2. could : capacité générale passée.
3. will be able to : futur.
4. been able to : present perfect.
5. was able to (ou managed to) : réussite ponctuelle.
6. Can : verbe de perception.
7. be able to : après to, can est impossible.

1. must (moi) : je me l’impose.
2. have to (extérieur) : loi du pays.
3. have to (extérieur) : contrainte de l’horaire.
4. must (moi) : souhait personnel fort.
5. have to (extérieur) : réglementation.

1. mustn’t : interdiction.
2. don’t have to : pas d’obligation.
3. mustn’t
4. doesn’t have to
5. mustn’t
6. don’t have to

1. Last year, I had to wear glasses.
2. She won’t be able to come next week.
3. Yesterday, we had to queue for hours.
4. He hasn’t been able to find a job since June.
5. Tomorrow, you will have to show your passport at the border.

Exemples de réponses :

1. She should spend less time on social media.
2. You ought to revise tonight.
3. The council should install recycling bins.
4. He ought to be more polite.
5. They shouldn’t leave their rubbish on the beach.
6. You should go to bed earlier.

1. You should have worn a coat.
2. He shouldn’t have eaten three burgers.
3. They should have booked a table.
4. I shouldn’t have told her secret to everyone.
5. We should have checked the weather forecast.

1. Every spectator must have a valid ticket.
2. No, it isn’t: fans must stay seated during the match.
3. Throwing objects onto the pitch is forbidden.
4. No, he can’t: children under 12 have to be accompanied by an adult.
5. No, it isn’t: you do not have to print it, a digital copy is accepted.
6. Rule 6: arriving 30 minutes early is advice, shown by should.

1. I couldn’t sleep last night. (ou I wasn’t able to sleep)
2. You don’t have to answer straight away. (ou You needn’t answer)
3. You mustn’t run in the corridors. (ou Running in the corridors is forbidden.)
4. We should / ought to help our elderly neighbours.
5. She had to stay at home all day.
6. You should have called me!
7. In ten years, we may be able to cure this disease.

1. Nous avons réussi à sauver le chien juste à temps.
2. Tu n’as pas besoin de t’excuser.
3. Ils devraient dire la vérité.
4. Il faut que j’y aille maintenant.
5. Veux-tu que je ferme la fenêtre ?

1. She must finish her project. : pas de -s après un modal.
2. You must be careful. : pas de to.
3. I will be able to help you tomorrow. : deux modaux ne se suivent pas.
4. After hours of effort, he managed to / was able to climb to the top.
5. Do you have to wear a uniform?
6. Yesterday I had to stay at school until six. : must n’a pas de passé.

1. can’t
2. have to
3. don’t have to
4. mustn’t
5. should
6. were able to

Exemple de réponse modèle :