Cool MateMust vs Ought vs Shall vs Should
Quand utiliser chacun en anglais, avec le sens, le registre et des exemples.
Must
Bloc à haute fréquenceA1
Ought
FormelTop 3000 (courant)B1
Shall
FormelTop 5000 (assez courant)A2
Should
Top 1000 (très courant)A1
| Must | Ought | Shall | Should | |
|---|---|---|---|---|
| Prononciation | 🇬🇧 /["/məst//mʌst/","/ˈmʌsnt/"]/🇺🇸 /["/məst//mʌst/","/ˈmʌsnt/"]/ | 🇬🇧 //ɔːt//🇺🇸 //ɔt// | 🇬🇧 /["/ʃəl//ʃæl/","/ʃɑːnt/","/ʃʊd/"]/🇺🇸 /["/ʃəl//ʃæl/","/ʃænt/","/ʃʊd/"]/ | 🇬🇧 /["/ʃəd//ʃʊd/","/ˈʃʊdnt/"]/🇺🇸 /["/ʃəd//ʃʊd/","/ˈʃʊdnt/"]/ |
| Sens | Quelque chose qui est nécessaire ou très important.Something that is necessary or very important. | devrait ou doit faire quelque choseshould or must do something | Utilisé pour indiquer une action future ou pour demander un avis ou des suggestions.Used to indicate future action or to ask for advice or suggestions. | used to tell someone what is the right thing to do |
| Exemple | You must finish your homework before playing outside. | You ought to apologize for your mistake. | This time next week I shall be in Scotland. | You should study for the exam to do well. |
| Registre | Neutre | Formel | Formel | Neutre |
| Fréquence | Bloc à haute fréquence | Top 3000 (courant) | Top 5000 (assez courant) | Top 1000 (très courant) |
| Niveau CEFR | A1 | B1 | A2 | A1 |
| Collocations | must see, must do, must have, must remember | ought to know, ought to be, ought to do | shall we dance, you shall not pass, shall I compare thee, shall I help you, shall we start | should do, should have, should not, should consider, should remember |
| Antonymes | can, may, might | ought not, should not | refuse, decline | must not, shall not |
| Erreurs fréquentes | Using 'must' in situations where 'have to' is more suitable., Confusing 'must' with 'might' or 'may', which imply possibility instead of necessity., Using 'must' with the gerund form instead of the base form of the verb. | Confused with 'should' – they are similar but 'ought' sounds more formal., Using 'ought' without 'to', e.g., 'You ought study.' which is incorrect., Incorrectly using 'ought' in negative forms like 'oughtn't' in some dialects. | Using 'shall' in first person only — 'shall' is typically used with 'I' or 'we' and not with other subjects., Confusing 'shall' with 'should' — 'shall' indicates future intent, while 'should' often indicates obligation., Using 'shall' in negative forms incorrectly — remember, it's not commonly used for negatives. | 'Should' is often confused with 'must,' leading to weaker advice than intended., Forget to follow 'should' with the base form of the verb, e.g., saying 'should goes' instead of 'should go.', Using 'should' for past events instead of 'should have.' |
| Notes d'usage | Utilisez 'must' pour donner des conseils forts ou faire des recommandations fortes. Évitez de l'utiliser dans des conversations décontractées où 'should' pourrait être plus approprié.Use 'must' when giving strong advice or making strong recommendations. Avoid using it in casual conversations where 'should' might be more appropriate. | Utilisez 'ought' pour donner des conseils ou faire des suggestions. Cela sonne plus formel que 'should' et est moins courant dans les conversations de tous les jours.Use 'ought' in advising or suggesting. It sounds more formal than 'should' and is less common in everyday conversation. | Couramment utilisé dans des contextes formels, comme les documents juridiques ou les discours officiels. Il est plus souvent utilisé en anglais britannique qu'en anglais américain. Dans les contextes informels, 'will' est préféré.Commonly used in formal contexts, such as legal documents or official speeches. It's more often used in British English than in American English. In informal contexts, 'will' is preferred. | Use 'should' for advice, suggestions, or expectations. It's appropriate in both spoken and written English, but avoid it in very formal contexts where 'ought to' might be preferred. |
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Questions fréquentes : Must vs Ought vs Shall vs Should
Quelle est la différence entre Must, Ought, Shall et Should ?
Must: Something that is necessary or very important. Ought: should or must do something Shall: Used to indicate future action or to ask for advice or suggestions. Should: used to tell someone what is the right thing to do
Lequel est le plus avancé : Must, Ought, Shall et Should ?
Ought est le niveau le plus élevé, à B1, sur l'échelle CEFR.
Must, Ought, Shall et Should sont-ils au même niveau CEFR ?
Must: A1, Ought: B1, Shall: A2, Should: A1 sur l'échelle CEFR.
Peux-tu montrer un exemple de chacun ?
Must: You must finish your homework before playing outside. Ought: You ought to apologize for your mistake. Shall: This time next week I shall be in Scotland. Should: You should study for the exam to do well.
Puis-je utiliser Must, Ought, Shall et Should de façon interchangeable ?
Pas toujours. Must, Ought, Shall et Should sont proches et se recoupent parfois, mais elles diffèrent par le registre, la fréquence et l'usage, donc remplacer l'une par l'autre peut changer le sens ou le ton. Regarde les différences ci-dessus avant de substituer.