Cool MateI don't know it vs I'm not sure
Quando usar cada um em inglês, com significado, registro e exemplos.
I don't know it
Top 2000 (comum)
I'm not sure
Bloco de alta frequência
Mais comum: I'm not sure
| I don't know it | I'm not sure | |
|---|---|---|
| Pronúncia | 🇬🇧 //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. |
| Exemplo | After hearing the question, I replied, 'I don't know it.' | I'm not sure if it will rain tomorrow. |
| Registro | Neutro | Neutro |
| Quão comum | Top 2000 (comum) | Bloco de alta frequência |
| Colocações | 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 |
| Erros comuns | 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. |
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Perguntas frequentes: I don't know it vs I'm not sure
Qual é a diferença 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.
Qual é mais comum: I don't know it e I'm not sure?
I'm not sure é a mais comum no inglês do dia a dia.
Pode mostrar um exemplo de cada?
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.
Posso usar I don't know it e I'm not sure de forma intercambiável?
Nem sempre. I don't know it e I'm not sure são relacionadas e às vezes se sobrepõem, mas diferem em registro, frequência e uso, então trocar uma pela outra pode mudar o sentido ou o tom. Veja as diferenças acima antes de substituir.