Cool MateI don't know it vs I'm not sure
Cuándo usar cada una en inglés, con significado, registro y ejemplos.
I don't know it
Top 2000 (común)
I'm not sure
Bloque de alta frecuencia
Más común: I'm not sure
| I don't know it | I'm not sure | |
|---|---|---|
| Pronunciación | 🇬🇧 //aɪ dəʊnt nəʊ ɪt//🇺🇸 //aɪ doʊnt noʊ ɪt// | 🇬🇧 //aɪm nɒt ʃʊə//🇺🇸 //aɪm nɑt ʃʊr// |
| Significado | I am not sure about it. | I don't know if it's true or not. |
| Ejemplo | After hearing the question, I replied, 'I don't know it.' | I'm not sure if it will rain tomorrow. |
| Registro | Neutral | Neutral |
| Qué tan común | Top 2000 (común) | Bloque de alta frecuencia |
| Colocaciones | 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 |
| Errores comunes | 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. |
| Notas de uso | 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. |
Míralo en clips reales
Preguntas frecuentes: I don't know it vs I'm not sure
¿Cuál es la diferencia entre I don't know it e 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.
¿Cuál es más común: I don't know it e I'm not sure?
I'm not sure es la más común en el inglés cotidiano.
¿Puedes mostrar un ejemplo de cada una?
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.
¿Puedo usar I don't know it e I'm not sure indistintamente?
No siempre. I don't know it e I'm not sure están relacionadas y a veces se solapan, pero difieren en registro, frecuencia y uso, así que cambiar una por otra puede alterar el significado o el tono. Revisa las diferencias de arriba antes de sustituir.