I cannot do vs I can't

Quando usar cada um em inglês, com significado, registro e exemplos.

I cannot do

Top 1000 (muito comum)

I can't

Bloco de alta frequência

	I cannot do	I can't
Pronúncia	🇬🇧 //aɪ ˈkænɒt duː// 🇺🇸 //aɪ ˈkænɑt du//	🇬🇧 //aɪ kɑːnt// 🇺🇸 //aɪ kænt//
Significado	I am unable to do something.	Não sou capaz de fazer algo. I am unable to do something.
Exemplo	I cannot do my homework because I lost the instructions.	I can't attend the meeting tomorrow.
Registro	Neutro	Neutro
Quão comum	Top 1000 (muito comum)	Bloco de alta frequência
Colocações	do my homework, do this task, do any more work, do what is required, do the right thing	I can't wait, I can't believe, I can't go
Erros comuns	Confusing with 'I can't do' - 'cannot' is more formal., Omitting the action you cannot do - always specify what you cannot do.	Confused with 'I can' leading to incorrect negation., Using in overly formal contexts., Omitting the subject by saying just 'can't'.
Notas de uso	Used in various contexts to express inability. Suitable for both spoken and written English, but not overly formal.	Use 'Não consigo' para recusa ou incapacidade informal. É apropriado em conversas casuais, mas menos formal que 'Eu não posso'. Use 'I can't' for informal refusal or inability. It's appropriate in casual conversation but less formal than 'I cannot'.

Veja em clipes reais

Avengers › Avengers Infinity War

I cannot do that again.

That I cannot do.

Avengers › Avengers Infinity War

I cannot do that again.

That I cannot do.

I cannot do

Don't be. Just means I can't have breakfast with you.

Chernobyl › S1 E1

- What about the pumps? - I can't contact Khodemchuk.

I can't leave the platoon.

Don't be. Just means I can't have breakfast with you.

Chernobyl › S1 E1

- What about the pumps? - I can't contact Khodemchuk.

I can't

Perguntas frequentes: I cannot do vs I can't

Qual é a diferença entre I cannot do e I can't?

I cannot do: I am unable to do something. I can't: I am unable to do something.

Pode mostrar um exemplo de cada?

I cannot do: I cannot do my homework because I lost the instructions. I can't: I can't attend the meeting tomorrow.

Posso usar I cannot do e I can't de forma intercambiável?

Nem sempre. I cannot do e I can't 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.