A personified yak Spanish teacher that teaches confirmar conjugation in Spanish with present, past, future, subjunctive, and command examples.

Spanish Confirmar Conjugation Made Easy

Learn how to use confirmar in the tenses adults actually need first: present, past, future, subjunctive, and commands, with real-life examples that sound normal instead of textbook-y.

The first time I had to call a clinic in Spanish, I knew la cita, I knew mañana, and I absolutely did not know the verb I needed. Then the receptionist said, Le confirmo para mañana, and suddenly this very ordinary little verb stopped feeling scary. Adult Spanish is rude like that: the simple verbs are the ones that ambush you in real life.

Confirmar is a regular -ar verb, which is good news because Spanish has already given you enough drama elsewhere. Once you learn the pattern, you can use it for appointments, reservations, attendance, dates, payments, emails, and all those moments where “please confirm” suddenly becomes your whole personality.

Adult learner truth: sometimes you do not need a fancy verb. You just need the right one before the receptionist hangs up.

Yak Box: The Fast Pattern

Confirmar is regular, so the stem stays confirm-. You mostly just swap endings.

  • Present: confirmo, confirmas, confirma…
  • Preterite: confirmé, confirmaste, confirmó…
  • Imperfect: confirmaba, confirmabas…
  • Future: infinitive + endings → confirmaré, confirmarás…
  • Present subjunctive: drop the -o from confirmo and add -e, -es, -e…
  • Commands: confirma, confirme, confirmemos, confirmen

The two sneaky bits are these: yo confirmé and él confirmó need accent marks, and confirmamos can mean we confirm or we confirmed depending on context. Yes, Spanish does occasionally enjoy chaos.

What Confirmar Means In Real Spanish

Most of the time, confirmar means to confirm: to make something certain, to verify that it is set, or to say that something is true. In everyday Mexican Spanish, you will hear it with cita (appointment), reservación or reserva (reservation), asistencia (attendance), fecha (date), hora (time), and pago (payment).

  • confirmar una citato confirm an appointment
    Example: Quiero confirmar mi cita de mañana. = I want to confirm my appointment for tomorrow.
  • confirmar una reservaciónto confirm a reservation
    Example: Llamo para confirmar mi reservación para esta noche. = I’m calling to confirm my reservation for tonight.
  • confirmar la asistenciato confirm attendance
    Example: Por favor, confirmen su asistencia antes del viernes. = Please confirm your attendance before Friday.
  • confirmar una noticiato confirm news
    Example: La empresa no ha confirmado la noticia. = The company has not confirmed the news.

Useful nuance: English sometimes says check where Spanish prefers comprobar or verificar. So Quiero confirmar la cita sounds like you want to make sure the appointment is set. Quiero comprobar si tengo cita sounds more like you want to check whether you have one at all.

Base Forms You Need First

FormSpanishEnglish MeaningExample
Infinitiveconfirmarto confirmNecesito confirmar la hora.
I need to confirm the time.
GerundconfirmandoconfirmingEstoy confirmando la dirección.
I am confirming the address.
Past ParticipleconfirmadoconfirmedEl pago ya está confirmado.
The payment is already confirmed.

confirmo

I confirm
Yo confirmo la fecha hoy.
I confirm the date today.

confirmé

I confirmed
Yo confirmé la cita ayer.
I confirmed the appointment yesterday.

confirme

I/you formal confirm in the subjunctive or formal command
Espero que confirme pronto.
I hope she confirms soon.

confirmaba

I used to confirm / was confirming
Antes yo confirmaba todo por teléfono.
I used to confirm everything by phone.

voy a confirmar

I’m going to confirm
Voy a confirmar la reservación en la tarde.
I’m going to confirm the reservation this afternoon.

no confirmes

don’t confirm
No confirmes nada todavía.
Don’t confirm anything yet.

Present Tense: The Everyday Workhorse

Use the present tense for habits, current facts, and near-immediate actions. In Mexican Spanish, you will normally use ustedes for “you all.” You may still see vosotros on Spain-based charts, but you do not need it for everyday Mexican Spanish.

PronounFormEnglish MeaningExample
yoconfirmoI confirmConfirmo la dirección por correo.
I confirm the address by email.
confirmasyou confirmTú confirmas la cita, ¿verdad?
You confirm the appointment, right?
él / ella / ustedconfirmahe / she / you formal confirmsUsted confirma la reservación en recepción.
You confirm the reservation at reception.
nosotrosconfirmamoswe confirmConfirmamos la asistencia hoy mismo.
We confirm attendance today.
ellos / ellas / ustedesconfirmanthey / you all confirmUstedes confirman el pedido mañana.
You all confirm the order tomorrow.

Spain-only note: the vosotros form is confirmáis. Example: Vosotros confirmáis la mesa en línea. = You all confirm the table online.

Past Tenses: Preterite Vs. Imperfect

This is where learners start side-eyeing Spanish. Keep it simple:

  • Preterite = one completed action: I confirmed it.
  • Imperfect = repeated, ongoing, background, or “used to”: I used to confirm it / I was confirming it.
TenseYoUsted / Él / EllaNosotrosUstedes / Ellos
Preteriteconfirméconfirmasteconfirmóconfirmamosconfirmaron
Imperfectconfirmabaconfirmabasconfirmabaconfirmábamosconfirmaban

Rule → Example: Use the preterite when the action finished.

  • Ayer confirmé mi cita con el dentista. = Yesterday I confirmed my dentist appointment.
  • Ella confirmó la hora por WhatsApp. = She confirmed the time by WhatsApp.

Rule → Example: Use the imperfect for repeated or background actions.

  • Antes siempre confirmaba mis vuelos por teléfono. = I used to confirm my flights by phone.
  • Cuando me llamaste, estaba confirmando la dirección. = When you called me, I was confirming the address.

Watch out: confirmamos can mean we confirm or we confirmed. Context does the heavy lifting, because apparently it has no union protection.

Future And Conditional

The future and conditional are friendly here because they keep the full infinitive confirmar.

TenseYoUsted / Él / EllaNosotrosUstedes / Ellos
Futureconfirmaréconfirmarásconfirmaráconfirmaremosconfirmarán
Conditionalconfirmaríaconfirmaríasconfirmaríaconfirmaríamosconfirmarían
  • confirmaréI will confirm
    Te confirmaré la hora en cuanto me respondan. = I’ll confirm the time as soon as they reply to me.
  • confirmaríaI would confirm
    Yo confirmaría primero la dirección. = I would confirm the address first.

In spoken Spanish, you will also hear the near future a lot: voy a confirmar = I’m going to confirm. That one is wildly useful and wonderfully low-stress.

Present Subjunctive: The “I Need You To Confirm” Form

You need the present subjunctive after triggers like quiero que, necesito que, espero que, dudo que, and para que. For a regular -ar verb, the endings switch to -e, -es, -e, -emos, -en.

PronounFormEnglish MeaningExample
yoconfirmethat I confirmEs raro que yo confirme tan tarde.
It’s odd that I confirm so late.
confirmesthat you confirmNecesito que confirmes la dirección.
I need you to confirm the address.
él / ella / ustedconfirmethat he / she / you formal confirmEspero que usted confirme hoy.
I hope you confirm today.
nosotrosconfirmemosthat we confirmQuieren que confirmemos la asistencia.
They want us to confirm attendance.
ellos / ellas / ustedesconfirmenthat they / you all confirmDudo que confirmen tan rápido.
I doubt they’ll confirm that quickly.

Commands You Will Actually Use

Commands with confirmar show up in customer service, email, event planning, office life, and those deeply glamorous moments where you are trying to get someone to answer one simple question.

Command TypeSpanishEnglish MeaningExample
Tú affirmativeconfirmaconfirmConfirma tu asistencia hoy.
Confirm your attendance today.
Tú negativeno confirmesdon’t confirmNo confirmes nada todavía.
Don’t confirm anything yet.
Usted affirmativeconfirmeplease confirmConfirme su correo, por favor.
Please confirm your email.
Nosotrosconfirmemoslet’s confirmConfirmemos la hora antes de salir.
Let’s confirm the time before leaving.
Ustedes affirmativeconfirmenconfirm, you allConfirmen la dirección en recepción.
Confirm the address at reception.

Spain-only note: the vosotros command is confirmad, and the negative form is no confirméis.

Compound Forms That Make You Sound More Complete

You do not need every compound tense on day one, but these three pull their weight.

FormSpanishEnglish MeaningExample
Present Perfecthe confirmadoI have confirmedYa he confirmado la reservación.
I’ve already confirmed the reservation.
Past Perfecthabía confirmadoI had confirmedYa había confirmado la cita cuando me llamaron.
I had already confirmed the appointment when they called me.
Future Perfecthabré confirmadoI will have confirmedPara las seis, habré confirmado todo.
By six, I will have confirmed everything.

Useful Phrases And Real-Life Sentences

SpanishEnglish MeaningExample 1Example 2
confirmar la citato confirm the appointmentNecesito confirmar la cita con el doctor.¿Ya confirmaste la cita de mañana?
confirmar la reservaciónto confirm the reservationLlamo para confirmar la reservación.Ella confirmó la reservación por internet.
confirmar la asistenciato confirm attendancePor favor confirma tu asistencia.Nos pidieron confirmar la asistencia antes del lunes.
confirmar la fechato confirm the dateTe confirmo la fecha mañana.Todavía no pueden confirmar la fecha oficial.
confirmar la horato confirm the timeVoy a confirmar la hora del vuelo.¿Me confirmas la hora de la reunión?
confirmar el pagoto confirm the paymentLa tienda ya confirmó el pago.Necesito que confirmes el pago hoy.
confirmar el pedidoto confirm the orderUstedes confirman el pedido por correo.Nos confirmaron el pedido esta mañana.
confirmar de recibidoto confirm receiptPor favor, confirma de recibido este correo.Le pedí que confirmara de recibido el documento.
quiero confirmarI want to confirmQuiero confirmar mi cita.Quiero confirmar que todo sigue igual.
te confirmoI’ll confirm it to you / I confirm for youTe confirmo más tarde.Te confirmo la dirección en una hora.
necesito que confirmesI need you to confirmNecesito que confirmes tu nombre completo.Necesito que confirmes si vienes.
espero que me confirmenI hope they confirm for meEspero que me confirmen la entrevista hoy.Espero que me confirmen la reservación pronto.

Common Mistakes And Fast Fixes

  • Mixing up present and preterite: confirmo = I confirm, but confirmé = I confirmed. That accent is doing actual work.
  • Forgetting the accent in él form: confirmó = he/she/you formal confirmed. Without the accent, you are just writing sadness.
  • Using the indicative after a subjunctive trigger: say Necesito que confirmes, not Necesito que confirmas.
  • Using confirmar when you really mean check: confirmar = confirm; comprobar or verificar = check/verify.
  • Ignoring context with confirmamos: Confirmamos la cita hoy = We confirm the appointment today. Ayer confirmamos la cita = We confirmed the appointment yesterday.
  • Forgetting Mexican usage: for plural “you,” use ustedes. Save vosotros for Spain-heavy materials.

Practice Section

Fill in the blanks with the correct form of confirmar.

  1. Yo ______ la cita ayer. (I confirmed)
  2. Necesito que tú ______ la dirección hoy. (confirm)
  3. Nosotros ______ la asistencia cada lunes. (confirm)
  4. Ustedes no ______ nada todavía. (don’t confirm)
  5. Mañana ella ______ la reservación. (will confirm)
  6. Antes yo ______ todo por teléfono. (used to confirm)
  7. Por favor, usted ______ su correo. (confirm)
  8. Para las seis, yo ya ______ todo. (will have confirmed)

Answers: 1) confirmé 2) confirmes 3) confirmamos 4) confirmen 5) confirmará 6) confirmaba 7) confirme 8) habré confirmado

Quick Reference Summary

  • confirmar = to confirm
  • confirmo = I confirm
  • confirmé = I confirmed
  • confirmaba = I used to confirm / I was confirming
  • confirmaré = I will confirm
  • confirmaría = I would confirm
  • confirme / confirmes / confirmemos / confirmen = present subjunctive forms
  • confirma / confirme / confirmemos / confirmen = common commands
  • he confirmado = I have confirmed
  • In Mexican Spanish, use ustedes for plural “you”

Final Yak

Confirmar is one of those beautifully boring verbs that turns out to be incredibly useful. Learn the present, preterite, subjunctive, and command forms first, and you will already cover most real situations: appointments, reservations, attendance, payments, dates, and emails. Not glamorous, sure. Very useful, absolutely.

If one form deserves extra attention, make it this set: confirmo, confirmé, confirmes, confirme, no confirmes. Those five do a surprising amount of adult life.