Confirmar Conjugation | How to Conjugate Confirmar in Spanish

means “to confirm,” “to verify,” or “to corroborate.” You will learn its fully regular -AR conjugation and the main patterns for facts, bookings, plans, identities, and reported information.

Confirmar conjugation at a glance

Verb type: Regular AR. RAE gives , / confirmás, , , , , with regular gerund and participle .

Confirmar gerund, past participle, and infinitive

The infinitive names the verb, the gerund supports progressive constructions, and the past participle combines with haber in compound forms. The participle remains invariant in those compounds.

FormSpanishNatural English guide
Infinitiveto confirm / verify
Gerundconfirming / verifying
Past participleconfirmed / verified

Confirmar meaning and essential uses

is transitive. RAE’s core meaning is corroborating the truth, certainty, or probability of something: la información. — “I confirm the information.”

It also commonly validates arrangements and reservations: la reserva. — “We confirm the reservation.” A following clause can state what is confirmed: que vendría.

Confirmar regular conjugation pattern

The stem confirm- remains unchanged throughout the core paradigm. Forms such as , , and take ordinary -AR endings.

There is no stem change, spelling alternation, irregular preterite stem, irregular future stem, irregular gerund, or irregular participle.

Confirmar indicative and periphrastic conjugations

Confirmar present tense conjugation

Present indicative (el presente de indicativo) — Use it for current situations, habits, facts, and contextually near-future reference. The table uses the verified regular paradigm.

Pronoun and English meaningSpanishNatural English guide
Yo — II confirm / verify
Tú — you, singular informalyou confirm / verify
Él / Ella / Usted — he / she / you, singular formalhe / she confirms / verifies; you confirm / verify (formal)
Nosotros / Nosotras — wewe confirm / verify
Vosotros / Vosotras — you, plural informal, mainly Spainyou confirm / verify (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey confirm / verify; you confirm / verify (plural)
  • — I verify the information before sending it.

Confirmar preterite conjugation

Preterite (el pretérito perfecto simple / pretérito indefinido) — Use it for completed or bounded past events. The table uses the verified regular paradigm.

Pronoun and English meaningSpanishNatural English guide
Yo — II confirmed / verified
Tú — you, singular informalyou confirmed / verified
Él / Ella / Usted — he / she / you, singular formalhe / she confirmed / verified; you confirmed / verified (formal)
Nosotros / Nosotras — wewe confirmed / verified
Vosotros / Vosotras — you, plural informal, mainly Spainyou confirmed / verified (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey confirmed / verified; you confirmed / verified (plural)
  • — Yesterday I confirmed the booking.

Confirmar imperfect conjugation

Imperfect (el pretérito imperfecto) — Use it for habitual, descriptive, background, or ongoing past situations. Form it with the appropriate form of haber plus invariant .

Pronoun and English meaningSpanishNatural English guide
Yo — II used to confirm / verify / was confirming / verifying
Tú — you, singular informalyou used to confirm / verify / were confirming / verifying
Él / Ella / Usted — he / she / you, singular formalhe / she used to confirm / verify / was confirming / verifying; you used to confirm / verify / were confirming / verifying (formal)
Nosotros / Nosotras — wewe used to confirm / verify / were confirming / verifying
Vosotros / Vosotras — you, plural informal, mainly Spainyou used to confirm / verify / were confirming / verifying (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey used to confirm / verify / were confirming / verifying; you used to confirm / verify / were confirming / verifying (plural)
  • — We used to confirm appointments by phone.

Confirmar present progressive

Present progressive — This verbal periphrasis focuses on an action or process in progress. Form it with present estar plus .

Pronoun and English meaningSpanishNatural English guide
Yo — II am confirming / verifying
Tú — you, singular informalyou are confirming / verifying
Él / Ella / Usted — he / she / you, singular formalhe / she is confirming / verifying; you are confirming / verifying (formal)
Nosotros / Nosotras — wewe are confirming / verifying
Vosotros / Vosotras — you, plural informal, mainly Spainyou are confirming / verifying (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey are confirming / verifying; you are confirming / verifying (plural)
  • — I am verifying the data.

Confirmar near future conjugation

Near future — This verbal periphrasis expresses an intention, plan, or expected event. Form it with present ir + a + .

Pronoun and English meaningSpanishNatural English guide
Yo — II am going to confirm / verify
Tú — you, singular informalyou are going to confirm / verify
Él / Ella / Usted — he / she / you, singular formalhe / she is going to confirm / verify; you are going to confirm / verify (formal)
Nosotros / Nosotras — wewe are going to confirm / verify
Vosotros / Vosotras — you, plural informal, mainly Spainyou are going to confirm / verify (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey are going to confirm / verify; you are going to confirm / verify (plural)
  • — I am going to confirm the date with Marta.

Confirmar future tense conjugation

Simple future (el futuro simple) — Use it for future reference and, where useful, probability. The table uses the verified regular paradigm.

Pronoun and English meaningSpanishNatural English guide
Yo — II will confirm / verify
Tú — you, singular informalyou will confirm / verify
Él / Ella / Usted — he / she / you, singular formalhe / she will confirm / verify; you will confirm / verify (formal)
Nosotros / Nosotras — wewe will confirm / verify
Vosotros / Vosotras — you, plural informal, mainly Spainyou will confirm / verify (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey will confirm / verify; you will confirm / verify (plural)
  • — We will confirm the booking tomorrow.

Confirmar conditional conjugation

Conditional (el condicional simple) — Use it for hypothetical outcomes, softened statements, or related conditional meanings. The table uses the verified regular paradigm.

Pronoun and English meaningSpanishNatural English guide
Yo — II would confirm / verify
Tú — you, singular informalyou would confirm / verify
Él / Ella / Usted — he / she / you, singular formalhe / she would confirm / verify; you would confirm / verify (formal)
Nosotros / Nosotras — wewe would confirm / verify
Vosotros / Vosotras — you, plural informal, mainly Spainyou would confirm / verify (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey would confirm / verify; you would confirm / verify (plural)
  • — I would verify that information with another source.

Confirmar present perfect conjugation

Present perfect (el pretérito perfecto compuesto) — Use it for completed events connected to a present reference frame; regional distribution varies. Form it with the appropriate form of haber plus invariant .

Pronoun and English meaningSpanishNatural English guide
Yo — II have confirmed / verified
Tú — you, singular informalyou have confirmed / verified
Él / Ella / Usted — he / she / you, singular formalhe / she has confirmed / verified; you have confirmed / verified (formal)
Nosotros / Nosotras — wewe have confirmed / verified
Vosotros / Vosotras — you, plural informal, mainly Spainyou have confirmed / verified (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey have confirmed / verified; you have confirmed / verified (plural)
  • — I have confirmed my attendance.

Confirmar past perfect conjugation

Past perfect (el pretérito pluscuamperfecto) — Use it for an event completed before another past reference point. Form it with the appropriate form of haber plus invariant .

Pronoun and English meaningSpanishNatural English guide
Yo — II had confirmed / verified
Tú — you, singular informalyou had confirmed / verified
Él / Ella / Usted — he / she / you, singular formalhe / she had confirmed / verified; you had confirmed / verified (formal)
Nosotros / Nosotras — wewe had confirmed / verified
Vosotros / Vosotras — you, plural informal, mainly Spainyou had confirmed / verified (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey had confirmed / verified; you had confirmed / verified (plural)
  • — We had already confirmed all the details.

Confirmar future perfect conjugation

Future perfect (el futuro perfecto) — Use it for an event expected to be completed before a future reference point. Form it with the appropriate form of haber plus invariant .

Pronoun and English meaningSpanishNatural English guide
Yo — II will have confirmed / verified
Tú — you, singular informalyou will have confirmed / verified
Él / Ella / Usted — he / she / you, singular formalhe / she will have confirmed / verified; you will have confirmed / verified (formal)
Nosotros / Nosotras — wewe will have confirmed / verified
Vosotros / Vosotras — you, plural informal, mainly Spainyou will have confirmed / verified (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey will have confirmed / verified; you will have confirmed / verified (plural)
  • — By then they will have confirmed the bookings.

Confirmar conditional perfect conjugation

Conditional perfect (el condicional compuesto) — Use it for a hypothetical completed outcome. Form it with the appropriate form of haber plus invariant .

Pronoun and English meaningSpanishNatural English guide
Yo — II would have confirmed / verified
Tú — you, singular informalyou would have confirmed / verified
Él / Ella / Usted — he / she / you, singular formalhe / she would have confirmed / verified; you would have confirmed / verified (formal)
Nosotros / Nosotras — wewe would have confirmed / verified
Vosotros / Vosotras — you, plural informal, mainly Spainyou would have confirmed / verified (plural)
Ellos / Ellas / Ustedes — they / you, pluralthey would have confirmed / verified; you would have confirmed / verified (plural)
  • — I would have confirmed the appointment earlier.

Confirmar subjunctive conjugations

Confirmar present subjunctive conjugation

Present subjunctive (el presente de subjuntivo) — Use it in subordinate environments involving wishes, influence, emotion, doubt or denial, evaluation, necessity, possibility, or non-specific reference. The table uses the verified regular paradigm.

Pronoun and English meaningSpanishNatural English guide
Yo — Ithat I confirm / verify
Tú — you, singular informalthat you confirm / verify
Él / Ella / Usted — he / she / you, singular formalthat he / she confirm / verify; that you confirm / verify (formal)
Nosotros / Nosotras — wethat we confirm / verify
Vosotros / Vosotras — you, plural informal, mainly Spainthat you confirm / verify (plural)
Ellos / Ellas / Ustedes — they / you, pluralthat they confirm / verify; that you confirm / verify (plural)
  • — I want you to confirm the date.

Confirmar imperfect subjunctive conjugation

Imperfect subjunctive (el imperfecto de subjuntivo) — The main table uses the -ra series. The accepted -se series is also valid in many contexts and is demonstrated after the table. Form it with the appropriate form of haber plus invariant .

Pronoun and English meaningSpanishNatural English guide
Yo — Ithat I confirmed / verified
Tú — you, singular informalthat you confirmed / verified
Él / Ella / Usted — he / she / you, singular formalthat he / she confirmed / verified; that you confirmed / verified (formal)
Nosotros / Nosotras — wethat we confirmed / verified
Vosotros / Vosotras — you, plural informal, mainly Spainthat you confirmed / verified (plural)
Ellos / Ellas / Ustedes — they / you, pluralthat they confirmed / verified; that you confirmed / verified (plural)
  • — They preferred that we verify the data first.
  • — It was better for you to confirm the booking in writing.

Confirmar future subjunctive conjugation

Future subjunctive (el futuro de subjuntivo) — Rare in modern everyday Spanish. It survives mainly in formal, legal, proverbial, literary, or historical contexts. These rare reference forms belong mainly to formal, legal, proverbial, literary, or historical registers.

Pronoun and English meaningSpanishNatural English guide
Yo — Iif / when I should confirm / verify
Tú — you, singular informalif / when you should confirm / verify
Él / Ella / Usted — he / she / you, singular formalif / when he / she should confirm / verify; if / when you should confirm / verify (formal)
Nosotros / Nosotras — weif / when we should confirm / verify
Vosotros / Vosotras — you, plural informal, mainly Spainif / when you should confirm / verify (plural)
Ellos / Ellas / Ustedes — they / you, pluralif / when they should confirm / verify; if / when you should confirm / verify (plural)
  • — Whoever should confirm the application must leave a record.

Confirmar present perfect subjunctive conjugation

Present perfect subjunctive (el pretérito perfecto de subjuntivo) — Use it when a completed event appears inside a present- or future-oriented subjunctive environment. Form it with the appropriate form of haber plus invariant .

Pronoun and English meaningSpanishNatural English guide
Yo — Ithat I have confirmed / verified
Tú — you, singular informalthat you have confirmed / verified
Él / Ella / Usted — he / she / you, singular formalthat he / she has confirmed / verified; that you have confirmed / verified (formal)
Nosotros / Nosotras — wethat we have confirmed / verified
Vosotros / Vosotras — you, plural informal, mainly Spainthat you have confirmed / verified (plural)
Ellos / Ellas / Ustedes — they / you, pluralthat they have confirmed / verified; that you have confirmed / verified (plural)
  • — I am glad that you confirmed your attendance.

Confirmar past perfect subjunctive conjugation

Past perfect subjunctive (el pluscuamperfecto de subjuntivo) — The main table uses hubiera; hubiese is an accepted auxiliary alternative in many contexts and is demonstrated after the table. Form it with the appropriate form of haber plus invariant .

Pronoun and English meaningSpanishNatural English guide
Yo — Ithat I had confirmed / verified
Tú — you, singular informalthat you had confirmed / verified
Él / Ella / Usted — he / she / you, singular formalthat he / she had confirmed / verified; that you had confirmed / verified (formal)
Nosotros / Nosotras — wethat we had confirmed / verified
Vosotros / Vosotras — you, plural informal, mainly Spainthat you had confirmed / verified (plural)
Ellos / Ellas / Ustedes — they / you, pluralthat they had confirmed / verified; that you had confirmed / verified (plural)
  • — If I had confirmed earlier, I would have avoided the confusion.
  • — If you had confirmed the date, everyone would have arrived on time.

Confirmar future perfect subjunctive conjugation

Future perfect subjunctive (el futuro perfecto de subjuntivo) — Rare in modern everyday Spanish. Treat it as a formal or historical reference form, not an everyday conversational target. Form it with the appropriate form of haber plus invariant .

Pronoun and English meaningSpanishNatural English guide
Yo — Iif / when I should have confirmed / verified
Tú — you, singular informalif / when you should have confirmed / verified
Él / Ella / Usted — he / she / you, singular formalif / when he / she should have confirmed / verified; if / when you should have confirmed / verified (formal)
Nosotros / Nosotras — weif / when we should have confirmed / verified
Vosotros / Vosotras — you, plural informal, mainly Spainif / when you should have confirmed / verified (plural)
Ellos / Ellas / Ustedes — they / you, pluralif / when they should have confirmed / verified; if / when you should have confirmed / verified (plural)
  • — If they should have confirmed additional changes, they must report them.

Confirmar imperative and commands

Commands address another person directly. The nosotros/nosotras row is a present-subjunctive form used with exhortative “let’s…” value.

Confirmar affirmative commands

Use the regular affirmative command forms for direct instructions when the target meaning supports them naturally.

Pronoun and English meaningSpanishNatural English guide
Tú — you, singular informalconfirm
Usted — you, singular formalconfirm (formal)
Nosotros / Nosotras — we; let’s…let’s confirm
Vosotros / Vosotras — you, plural informal, mainly Spainconfirm (plural, mainly Spain)
Ustedes — you, pluralconfirm (plural)
  • — Confirm the address before leaving.

Confirmar negative commands

Negative commands use subjunctive-based forms, with no before the verb.

Pronoun and English meaningSpanishNatural English guide
Tú — you, singular informaldo not confirm
Usted — you, singular formaldo not confirm (formal)
Nosotros / Nosotras — we; let’s…let’s not confirm
Vosotros / Vosotras — you, plural informal, mainly Spaindo not confirm (plural, mainly Spain)
Ustedes — you, pluraldo not confirm (plural)
  • — Do not confirm anything without checking the data.

Common constructions with Confirmar

These patterns show sentence frames that materially affect how the target verb is used.

  • algo. — to confirm / verify something.
  • una reserva / cita / fecha. — to confirm a booking, appointment, or date.
  • que + clause. — to confirm that something is the case.

Example sentences with Confirmar

These examples reinforce useful forms and contexts already taught in the lesson.

  • — Can you confirm the date?
  • — The hotel confirmed the booking.
  • — He / she confirmed that he / she would arrive tomorrow.
  • — I hope you verify the information before publishing it.
  • — We have already confirmed all the details.
  • — Confirm your identity first.

Regional and usage notes for Confirmar

The core tables retain tú, usted, vosotros/vosotras, and ustedes. Voseo changes some second-person singular forms where vos is used.

  • — You confirm the booking by email. (voseo)
  • — Confirm the date today. (affirmative vos command)

is fully regular. The main learner task is complement structure: confirm a direct object such as a fact, reservation, identity, or date, or introduce confirmed information with que.

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