I don't know it vs I'm not sure
Quand utiliser chacun en anglais, avec le sens, le registre et des exemples.
I don't know it
Top 2000 (courant)
I'm not sure
Bloc à haute fréquence
Le plus courant: I'm not sure
| I don't know it | I'm not sure | |
|---|---|---|
| Prononciation | 🇬🇧 //aɪ dəʊnt nəʊ ɪt//🇺🇸 //aɪ doʊnt noʊ ɪt// | 🇬🇧 //aɪm nɒt ʃʊə//🇺🇸 //aɪm nɑt ʃʊr// |
| Sens | I am not sure about it. | I don't know if it's true or not. |
| Exemple | After hearing the question, I replied, 'I don't know it.' | I'm not sure if it will rain tomorrow. |
| Registre | Neutre | Neutre |
| Fréquence | Top 2000 (courant) | Bloc à haute fréquence |
| Collocations | don't know it well, don't know it anymore, don't know it at all | I'm not sure about that, I'm not sure if, I'm not sure what to do |
| Erreurs fréquentes | Using 'know' incorrectly with a subject (e.g. 'I don't know he')., Omitting 'it' when referring to a specific thing (e.g. 'I don't know')., Confusing with 'I don't understand' which implies confusion, not lack of knowledge. | Using it too formally in writing., Confusing it with 'I'm not certain' - which is slightly more formal., Overusing it in situations that require decisiveness. |
| Notes d'usage | Used to express uncertainty or lack of knowledge about a topic; appropriate in both formal and informal contexts. | Used when expressing doubt about something. Common in conversations but less formal in writing. |
Vois-le dans de vrais extraits
Questions fréquentes : I don't know it vs I'm not sure
Quelle est la différence entre I don't know it et I'm not sure ?
I don't know it: I am not sure about it. I'm not sure: I don't know if it's true or not.
Lequel est le plus courant : I don't know it et I'm not sure ?
I'm not sure est le plus courant dans l'anglais de tous les jours.
Peux-tu montrer un exemple de chacun ?
I don't know it: After hearing the question, I replied, 'I don't know it.' I'm not sure: I'm not sure if it will rain tomorrow.
Puis-je utiliser I don't know it et I'm not sure de façon interchangeable ?
Pas toujours. I don't know it et I'm not sure 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.