Cool MateCannot vs Can't vs Unable
Quando usar cada um em inglês, com significado, registro e exemplos.
Cannot
Top 1000 (muito comum)A1
Can't
Top 1000 (muito comum)
Unable
Top 2000 (comum)B1adjective
| Cannot | Can't | Unable | |
|---|---|---|---|
| Pronúncia | 🇬🇧 /["/ˈkænɒt/"]/🇺🇸 /["/ˈkænɑːt/"]/ | 🇬🇧 //kɑːnt//🇺🇸 //kænt// | 🇬🇧 /["/ʌnˈeɪbl/"]/🇺🇸 /["/ʌnˈeɪbl/"]/ |
| Significado | to be unable to do something | Cannot; not able to do something. | not able to do something |
| Exemplo | I cannot believe the price of the tickets! | I can't attend the meeting tomorrow. | I was unable to attend the meeting due to a family emergency. |
| Registro | Neutro | Neutro | Neutro |
| Quão comum | Top 1000 (muito comum) | Top 1000 (muito comum) | Top 2000 (comum) |
| Nível CEFR | A1 | - | B1 |
| Classe gramatical | adjective | ||
| Colocações | cannot believe, cannot wait, cannot afford | can't help, can't wait, can't believe | appear, be, feel, completely, quite, totally, unwilling or unable |
| Antônimos | can, able | can, able | able, capable |
| Erros comuns | Confused with 'can not' — it's always one word in negative form., Using 'cannot' in too formal a context — prefer 'can't' in casual speech., Incorrectly using 'cannot' in past tense situations. | Confused with 'can' - remember 'can't' means unable., Omitting the apostrophe - always write 'can't', not 'cant'. | Confused with 'unable to' and 'not able to' — they mean the same but usage can vary., Using 'unable' without a following action verb., Misplacing adjectives — remember 'unable' always describes capability. |
| Notas de uso | Use 'cannot' in any situation where something is impossible. Avoid using it in informal contexts where 'can't' is more common. | Use in informal spoken or written contexts. It's considered casual and may not be appropriate for formal writing. | Use 'unable' in situations where someone or something lacks the ability to perform an action. It's appropriate in both spoken and written contexts, but avoid in very casual conversations. |
Perguntas frequentes: Cannot vs Can't vs Unable
Qual é a diferença entre Cannot, Can't e Unable?
Cannot: to be unable to do something Can't: Cannot; not able to do something. Unable: not able to do something
Qual é mais avançada: Cannot, Can't e Unable?
Unable é o nível mais alto, em B1, na escala CEFR.
Pode mostrar um exemplo de cada?
Cannot: I cannot believe the price of the tickets! Can't: I can't attend the meeting tomorrow. Unable: I was unable to attend the meeting due to a family emergency.
Posso usar Cannot, Can't e Unable de forma intercambiável?
Nem sempre. Cannot, Can't e Unable 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.