How can you be sure vs How do you know vs How would you know

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

How can you be sure

Top 5000 (bastante comum)

How do you know

Top 1000 (muito comum)

How would you know

Top 3000 (comum)
Mais comum: How do you know
 How can you be sureHow do you knowHow would you know
Pronúncia🇬🇧 //haʊ kæn juː biː ʃʊə//🇺🇸 //haʊ kən ju bi ʃʊr//🇬🇧 //haʊ də juː nəʊ//🇺🇸 //haʊ də ju ˈnoʊ//🇬🇧 //haʊ wəd juː nəʊ//🇺🇸 //haʊ wəd juː noʊ//
SignificadoA way to ask if you can trust something.Uma forma de perguntar a alguém como ele tem informação ou certeza sobre algo.A way to ask someone how they have information or certainty about something.Uma forma de perguntar se alguém tem informação sobre algo.A way to ask if someone has information about something.
ExemploShe asked, 'How can you be sure that it's going to rain tomorrow?'How do you know he will come?How would you know if the event is canceled?
RegistroNeutroNeutroNeutro
Quão comumTop 5000 (bastante comum)Top 1000 (muito comum)Top 3000 (comum)
Colocaçõeshow can you be sure, be sure about, be sure ofhow do you know that, how do you know if, how do you know for sureask how would you know, wonder how would you know, question how would you know
Antônimos-How do you not know, I have no idea, I am unsure-
Erros comunsConfused with 'how sure are you', 'How can you be sure?' used without a context., Omitting 'you' in informal speech.Omitting 'do' and saying 'how you know', Not using it as a question, treating it as a statement, Forgetting to use appropriate intonation in questionsOmitting 'you' and saying 'How would know?', Using 'who' instead of 'you' and asking 'How would who know?', 'How do you know?' is often confused with this phrase.
Notas de usoIt's commonly used when someone is seeking confirmation or reassurance, suitable for conversations but avoid in very formal writing.Use em conversas quando perguntar a fonte da informação de alguém. É educado na maioria das situações, mas evite usar quando alguém compartilha sentimentos ou crenças pessoais.Use in conversation when asking for the source of someone's information. It's polite in most contexts but avoid using it when someone shares personal feelings or beliefs.Frequentemente usada quando o falante duvida do conhecimento ou da informação de alguém. É educado, mas pode implicar ceticismo.Often used when the speaker doubts someone's knowledge or information. It's polite but can imply skepticism.

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How can you be sure
How do you know
How would you know

Perguntas frequentes: How can you be sure vs How do you know vs How would you know

Qual é a diferença entre How can you be sure, How do you know e How would you know?

How can you be sure: A way to ask if you can trust something. How do you know: A way to ask someone how they have information or certainty about something. How would you know: A way to ask if someone has information about something.

Qual é mais comum: How can you be sure, How do you know e How would you know?

How do you know é a mais comum no inglês do dia a dia.

Pode mostrar um exemplo de cada?

How can you be sure: She asked, 'How can you be sure that it's going to rain tomorrow?' How do you know: How do you know he will come? How would you know: How would you know if the event is canceled?

Posso usar How can you be sure, How do you know e How would you know de forma intercambiável?

Nem sempre. How can you be sure, How do you know e How would you know 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.