Spanish phrase
¿Cómo demuestro que fui yo quien ~?
Meaning
How can I prove that I was the one who ___?
When to use it
Asks how to prove one performed a specific action. Used when confirming signatures or official records; formal and evidence-focused.
Example dialogue
El banco necesita verificar la firma.
The bank needs to verify the signature.
¿Cómo demuestro que fui yo quien firmó este contrato?
How can I prove that I was the one who signed this contract?