The Future Tense of Mentir is used to express actions that will take place in the future, for example: Mañana no mentiré a mis padres. (Tomorrow I will not lie to my parents.)

Mentir is a regular -ir verb, so its Future Tense conjugations follow the typical pattern for this verb type.

Conjugations

Conjugations of Mentir (to lie) in the Future Tense tense (Latin American Spanish):

Mentir generally means “to lie” or “to tell an untruth”, but has several different meanings in the Future Tense, some of which might surprise you.

To lie or deceive: This is the most common meaning. For example, Mentiré a mi madre sobre dónde estuve anoche. (I will lie to my mother about where I was last night.)

To exaggerate or embellish: It can also mean to stretch the truth or make something seem bigger than it is. For example, No me creerás, pero te mentiré un poco sobre lo grande que era el pez que atrapé. (You won’t believe me, but I will exaggerate a little about how big the fish I caught was.)

To mislead or misguide: It can mean to intentionally lead someone in the wrong direction, literally or figuratively. For example, El ladrón mentirá a la policía sobre su paradero. (The thief will mislead the police about his whereabouts.)

To pretend (colloquial): In some contexts, it has a more playful meaning of pretending or acting. For example, ¿Quieres que mentiremos ser espías por un día? (Do you want us to pretend to be spies for a day?)

Examples

Examples of Mentir in the Future Tense

Si no consigo el trabajo, mentiré en mi próxima entrevista. (If I don’t get the job, I will lie in my next interview.)

Después de las vacaciones, mentirás a tus amigos sobre lo que hiciste. (After the vacation, you will lie to your friends about what you did.)

Cuando llegue la hora de pagar la cuenta, mentirá y dirá que olvidó su billetera. (When it’s time to pay the bill, he will lie and say he forgot his wallet.)

Para evitar problemas con la policía, mentiremos sobre dónde estuvimos anoche. (To avoid trouble with the police, we will lie about where we were last night.)

Mis compañeros de trabajo mentirán sobre sus logros para impresionar al jefe. (My coworkers will lie about their achievements to impress the boss.)

Aunque no quiero hacerlo, mentiré a mi mamá sobre mis calificaciones. (Even though I don’t want to, I will lie to my mom about my grades.)

En la próxima reunión familiar, mentirás sobre tu nuevo trabajo para no preocupar a tus padres. (At the next family gathering, you will lie about your new job so as not to worry your parents.)

Para impresionar a su nueva novia, mentirá sobre su pasado y sus logros. (To impress his new girlfriend, he will lie about his past and achievements.)

Cuando nos pregunten sobre la fiesta de anoche, mentiremos y diremos que nos quedamos en casa. (When they ask us about last night’s party, we will lie and say we stayed home.)

Mis amigos mentirán sobre su edad para poder entrar al club nocturno. (My friends will lie about their age to get into the nightclub.)

Aunque no debería, mentiré en mi currículum para conseguir el trabajo que quiero. (Even though I shouldn’t, I will lie on my resume to get the job I want.)

En la próxima cita con el médico, mentirás sobre tus hábitos para no avergonzarte. (At the next doctor’s appointment, you will lie about your habits to avoid embarrassment.)

Para no herir sus sentimientos, mentirá a su abuela sobre lo que piensa de su comida. (To avoid hurting her feelings, he will lie to his grandmother about what he thinks of her cooking.)

Cuando nos pidan referencias, mentiremos y diremos que trabajamos más tiempo en nuestros antiguos empleos. (When they ask for references, we will lie and say we worked longer at our previous jobs.)

Mis vecinos mentirán sobre el ruido que hacen para evitar una multa. (My neighbors will lie about the noise they make to avoid a fine.)

Conjugations with English Translations

Conjugations of Mentir (to lie) in the Future Tense tense (Latin American Spanish) with English Translations:

This post covers Latin American Spanish. For Castilian Spanish, click here

Synonyms

The Future tense is also known as the Simple Future, Future Simple, Future Tense, Future Indicative, or Will Future in English, and as Futuro Simple, Futuro Imperfecto, Tiempo Futuro, Futuro de Indicativo, or Indicativo Futuro in Spanish.