Spanish phrase
¿Cómo relleno ~?
Meaning
How do I fill in ___?
When to use it
Asks how to complete a form field. Used to request where or what to write in documents or online forms, neutral polite tone.
Example dialogue
¿Cómo relleno este formulario?
How do I fill in this form?
Debes completar la sección de datos personales.
You should complete the personal information section.