How to Say "you swear" in Spanish
The Spanish word for “you swear” is “prometes” — A1 level. This is a very common word in everyday Spanish.

Examples
¿De verdad me prometes que vas a venir mañana?
Do you really promise me that you are going to come tomorrow?
Siempre prometes ayudar, pero nunca lo haces.
You always promise to help, but you never do it.
Si prometes guardar el secreto, te lo cuento.
If you promise to keep the secret, I'll tell you.
The 'Tú' Form
'Prometes' is only used when talking directly to one person you know well or are familiar with (the 'tú' form). It's the most common way to address friends and family.
Regular -ER Verb Pattern
To get 'prometes,' you take the infinitive 'prometer,' remove the '-er,' and add '-es.' This pattern works for almost all regular verbs ending in '-er' (like 'comer' or 'aprender').
Mixing up 'Tú' and 'Usted'
Mistake: “Using 'prometes' when talking formally to a boss or elder.”
Correction: For formal situations, use 'usted promete.' Remember: 'prometes' is informal.
Related Translations
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