| # | Erreur frequente | Correction | Regle a retenir |
|---|
| 1 | She cans speak. | She can speak. | Les modaux sont invariables : jamais de -s |
| 2 | You must to leave. | You must leave. | Jamais de "to" apres un modal |
| 3 | I am can speak English. | I can speak English. | Ne pas combiner "be" + modal directement |
| 4 | He will can finish later. | He will be able to finish later. | Deux modaux ne peuvent pas se suivre |
| 5 | Would you can help me? | Could you help me? | Un seul modal par phrase |
| 6 | You don't must do this. | You don't have to do this. | "Must" ne s'utilise pas avec "do" au negatif |
| 7 | You must not come (quand optionnel) | You don't have to come. | Mustn't = interdit / Don't have to = pas obligatoire |
| 8 | I have caned drive since 16. | I have been able to drive since 16. | Pas de participe passe pour les modaux |
| 9 | She is musting finish. | She must finish. | Les modaux n'ont pas de gerondif |
| 10 | Can I have permission to enter? | May I enter? / Could I enter? | "Can" = trop informel pour permission formelle |
| 11 | I should to study more. | I should study more. | Pas de "to" apres should |
| 12 | Might I ask a question? | May I ask? / Could I ask? | "Might" comme permission directe est tres rare |
| 13 | She could to swim at age 5. | She could swim at age 5. | Jamais "to" apres could |
| 14 | I will be can do it. | I will be able to do it. | Pour le futur de "can", utiliser "be able to" |
| 15 | You should have to told me. | You should have told me. | Modal + have + PP : pas de "to" supplementaire |