Prometer Conjugation | How to Conjugate Prometer in Spanish

Prometer means “to promise,” “to assure,” or “to show promise.” You will learn its fully regular -ER conjugation and the main patterns prometer algo, prometer + infinitive, and prometer que.

Prometer conjugation at a glance

Verb type: Regular ER. Prometer keeps the stable stem promet- and takes ordinary -ER endings. Its gerund prometiendo — “promising” — and participle prometido — “promised” — are regular.

Prometer gerund, past participle, and infinitive

The infinitive names the verb, the gerund supports progressive constructions, and the past participle combines with haber — “to have” as an auxiliary — in compound forms. The participle prometido remains invariant in those compounds.

Form	Spanish	Natural English guide
Infinitive	prometer	to promise
Gerund	prometiendo	promising
Past participle	prometido	promised

Prometer meaning and essential uses

Prometer is transitive when someone commits to doing, saying, or giving something: Prometo ayudarte. — “I promise to help you.” It can also take a noun: Prometió una respuesta. — “He / she promised an answer.”

With a proposition, use prometer que + clause: Prometo que volveré. — “I promise that I will return.” RAE also records intransitive “show promise”: El proyecto promete. — “The project looks promising.”

Prometer regular conjugation pattern

The stem promet- remains unchanged throughout the core paradigm. Forms such as prometo — “I promise,” prometí — “I promised,” and prometa — “that I promise” — use standard -ER endings.

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

Prometer indicative and periphrastic conjugations

Prometer 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 paradigm.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	prometo	I promise
Tú — you, singular informal	prometes	you promise
Él / Ella / Usted — he / she / you, singular formal	promete	he / she promises; you promise (formal)
Nosotros / Nosotras — we	prometemos	we promise
Vosotros / Vosotras — you, plural informal, mainly Spain	prometéis	you promise (plural)
Ellos / Ellas / Ustedes — they / you, plural	prometen	they promise; you promise (plural)

• Prometo decirte la verdad. — I promise to tell you the truth.

Prometer preterite conjugation

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

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	prometí	I promised
Tú — you, singular informal	prometiste	you promised
Él / Ella / Usted — he / she / you, singular formal	prometió	he / she promised; you promised (formal)
Nosotros / Nosotras — we	prometimos	we promised
Vosotros / Vosotras — you, plural informal, mainly Spain	prometisteis	you promised (plural)
Ellos / Ellas / Ustedes — they / you, plural	prometieron	they promised; you promised (plural)

• Ayer prometí terminar el informe. — Yesterday I promised to finish the report.

Prometer imperfect conjugation

Imperfect (el pretérito imperfecto) — Use it for habitual, descriptive, background, or ongoing past situations. Form it with the appropriate form of haber — “to have” as an auxiliary — plus the invariant participle prometido.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	prometía	I used to promise / was promising
Tú — you, singular informal	prometías	you used to promise / were promising
Él / Ella / Usted — he / she / you, singular formal	prometía	he / she used to promise / was promising; you used to promise / were promising (formal)
Nosotros / Nosotras — we	prometíamos	we used to promise / were promising
Vosotros / Vosotras — you, plural informal, mainly Spain	prometíais	you used to promise / were promising (plural)
Ellos / Ellas / Ustedes — they / you, plural	prometían	they used to promise / were promising; you used to promise / were promising (plural)

• Antes prometía cosas que no podía cumplir. — I used to promise things I could not fulfill.

Prometer present progressive

Present progressive — This verbal periphrasis focuses on an action or process in progress. Form it with present estar — “to be” — plus prometiendo — “promising.”

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	estoy prometiendo	I am promising
Tú — you, singular informal	estás prometiendo	you are promising
Él / Ella / Usted — he / she / you, singular formal	está prometiendo	he / she is promising; you are promising (formal)
Nosotros / Nosotras — we	estamos prometiendo	we are promising
Vosotros / Vosotras — you, plural informal, mainly Spain	estáis prometiendo	you are promising (plural)
Ellos / Ellas / Ustedes — they / you, plural	están prometiendo	they are promising; you are promising (plural)

• Estoy prometiendo más de lo necesario. — I am promising more than necessary.

Prometer near future conjugation

Near future — This verbal periphrasis expresses an intention, plan, or expected event. Form it with present ir — “to go” — plus a — “to” — and prometer.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	voy a prometer	I am going to promise
Tú — you, singular informal	vas a prometer	you are going to promise
Él / Ella / Usted — he / she / you, singular formal	va a prometer	he / she is going to promise; you are going to promise (formal)
Nosotros / Nosotras — we	vamos a prometer	we are going to promise
Vosotros / Vosotras — you, plural informal, mainly Spain	vais a prometer	you are going to promise (plural)
Ellos / Ellas / Ustedes — they / you, plural	van a prometer	they are going to promise; you are going to promise (plural)

• Voy a prometer que llegaré a tiempo. — I am going to promise that I will arrive on time.

Prometer future tense conjugation

Simple future (el futuro simple) — Use it for future reference and, where useful, probability. The endings attach to the full infinitive.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	prometeré	I will promise
Tú — you, singular informal	prometerás	you will promise
Él / Ella / Usted — he / she / you, singular formal	prometerá	he / she will promise; you will promise (formal)
Nosotros / Nosotras — we	prometeremos	we will promise
Vosotros / Vosotras — you, plural informal, mainly Spain	prometeréis	you will promise (plural)
Ellos / Ellas / Ustedes — they / you, plural	prometerán	they will promise; you will promise (plural)

• Prometeremos una respuesta antes del viernes. — We will promise an answer before Friday.

Prometer conditional conjugation

Conditional (el condicional simple) — Use it for hypothetical outcomes, softened statements, or related conditional meanings. The endings attach to the full infinitive.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	prometería	I would promise
Tú — you, singular informal	prometerías	you would promise
Él / Ella / Usted — he / she / you, singular formal	prometería	he / she would promise; you would promise (formal)
Nosotros / Nosotras — we	prometeríamos	we would promise
Vosotros / Vosotras — you, plural informal, mainly Spain	prometeríais	you would promise (plural)
Ellos / Ellas / Ustedes — they / you, plural	prometerían	they would promise; you would promise (plural)

• Prometería ayudar si pudiera hacerlo. — I would promise to help if I could.

Prometer 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 — “to have” as an auxiliary — plus the invariant participle prometido.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	he prometido	I have promised
Tú — you, singular informal	has prometido	you have promised
Él / Ella / Usted — he / she / you, singular formal	ha prometido	he / she has promised; you have promised (formal)
Nosotros / Nosotras — we	hemos prometido	we have promised
Vosotros / Vosotras — you, plural informal, mainly Spain	habéis prometido	you have promised (plural)
Ellos / Ellas / Ustedes — they / you, plural	han prometido	they have promised; you have promised (plural)

• He prometido cambiar el plan. — I have promised to change the plan.

Prometer 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 — “to have” as an auxiliary — plus the invariant participle prometido.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	había prometido	I had promised
Tú — you, singular informal	habías prometido	you had promised
Él / Ella / Usted — he / she / you, singular formal	había prometido	he / she had promised; you had promised (formal)
Nosotros / Nosotras — we	habíamos prometido	we had promised
Vosotros / Vosotras — you, plural informal, mainly Spain	habíais prometido	you had promised (plural)
Ellos / Ellas / Ustedes — they / you, plural	habían prometido	they had promised; you had promised (plural)

• Ya habíamos prometido una respuesta. — We had already promised an answer.

Prometer 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 — “to have” as an auxiliary — plus the invariant participle prometido.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	habré prometido	I will have promised
Tú — you, singular informal	habrás prometido	you will have promised
Él / Ella / Usted — he / she / you, singular formal	habrá prometido	he / she will have promised; you will have promised (formal)
Nosotros / Nosotras — we	habremos prometido	we will have promised
Vosotros / Vosotras — you, plural informal, mainly Spain	habréis prometido	you will have promised (plural)
Ellos / Ellas / Ustedes — they / you, plural	habrán prometido	they will have promised; you will have promised (plural)

• Para entonces habrán prometido varias mejoras. — By then they will have promised several improvements.

Prometer conditional perfect conjugation

Conditional perfect (el condicional compuesto) — Use it for a hypothetical completed outcome. Form it with the appropriate form of haber — “to have” as an auxiliary — plus the invariant participle prometido.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	habría prometido	I would have promised
Tú — you, singular informal	habrías prometido	you would have promised
Él / Ella / Usted — he / she / you, singular formal	habría prometido	he / she would have promised; you would have promised (formal)
Nosotros / Nosotras — we	habríamos prometido	we would have promised
Vosotros / Vosotras — you, plural informal, mainly Spain	habríais prometido	you would have promised (plural)
Ellos / Ellas / Ustedes — they / you, plural	habrían prometido	they would have promised; you would have promised (plural)

• Habría prometido menos sin conocer los detalles. — I would have promised less without knowing the details.

Prometer subjunctive conjugations

Prometer 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 paradigm.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	prometa	that I promise
Tú — you, singular informal	prometas	that you promise
Él / Ella / Usted — he / she / you, singular formal	prometa	that he / she promise; that you promise (formal)
Nosotros / Nosotras — we	prometamos	that we promise
Vosotros / Vosotras — you, plural informal, mainly Spain	prometáis	that you promise (plural)
Ellos / Ellas / Ustedes — they / you, plural	prometan	that they promise; that you promise (plural)

• Quiero que prometas decir la verdad. — I want you to promise to tell the truth.

Prometer 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 — “to have” as an auxiliary — plus the invariant participle prometido.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	prometiera	that I promised
Tú — you, singular informal	prometieras	that you promised
Él / Ella / Usted — he / she / you, singular formal	prometiera	that he / she promised; that you promised (formal)
Nosotros / Nosotras — we	prometiéramos	that we promised
Vosotros / Vosotras — you, plural informal, mainly Spain	prometierais	that you promised (plural)
Ellos / Ellas / Ustedes — they / you, plural	prometieran	that they promised; that you promised (plural)

• Preferían que prometiéramos una fecha concreta. — They preferred that we promise a specific date.
• Era mejor que prometieses solo lo que podías cumplir. — It was better for you to promise only what you could fulfill.

Prometer 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 share the same historical family as the imperfect subjunctive.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	prometiere	if / when I should promise
Tú — you, singular informal	prometieres	if / when you should promise
Él / Ella / Usted — he / she / you, singular formal	prometiere	if / when he / she should promise; if / when you should promise (formal)
Nosotros / Nosotras — we	prometiéremos	if / when we should promise
Vosotros / Vosotras — you, plural informal, mainly Spain	prometiereis	if / when you should promise (plural)
Ellos / Ellas / Ustedes — they / you, plural	prometieren	if / when they should promise; if / when you should promise (plural)

• Quien prometiere una entrega deberá respetar el plazo. — Whoever should promise a delivery must respect the deadline.

Prometer 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 — “to have” as an auxiliary — plus the invariant participle prometido.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	haya prometido	that I have promised
Tú — you, singular informal	hayas prometido	that you have promised
Él / Ella / Usted — he / she / you, singular formal	haya prometido	that he / she has promised; that you have promised (formal)
Nosotros / Nosotras — we	hayamos prometido	that we have promised
Vosotros / Vosotras — you, plural informal, mainly Spain	hayáis prometido	that you have promised (plural)
Ellos / Ellas / Ustedes — they / you, plural	hayan prometido	that they have promised; that you have promised (plural)

• Me alegra que hayas prometido ayudar. — I am glad that you promised to help.

Prometer 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 — “to have” as an auxiliary — plus the invariant participle prometido.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	hubiera prometido	that I had promised
Tú — you, singular informal	hubieras prometido	that you had promised
Él / Ella / Usted — he / she / you, singular formal	hubiera prometido	that he / she had promised; that you had promised (formal)
Nosotros / Nosotras — we	hubiéramos prometido	that we had promised
Vosotros / Vosotras — you, plural informal, mainly Spain	hubierais prometido	that you had promised (plural)
Ellos / Ellas / Ustedes — they / you, plural	hubieran prometido	that they had promised; that you had promised (plural)

• Si hubiéramos prometido menos, habría sido más fácil cumplir. — If we had promised less, it would have been easier to deliver.
• Si hubieses prometido una fecha, tendrías que respetarla. — If you had promised a date, you would have to respect it.

Prometer 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 — “to have” as an auxiliary — plus the invariant participle prometido.

Pronoun and English meaning	Spanish	Natural English guide
Yo — I	hubiere prometido	if / when I should have promised
Tú — you, singular informal	hubieres prometido	if / when you should have promised
Él / Ella / Usted — he / she / you, singular formal	hubiere prometido	if / when he / she should have promised; if / when you should have promised (formal)
Nosotros / Nosotras — we	hubiéremos prometido	if / when we should have promised
Vosotros / Vosotras — you, plural informal, mainly Spain	hubiereis prometido	if / when you should have promised (plural)
Ellos / Ellas / Ustedes — they / you, plural	hubieren prometido	if / when they should have promised; if / when you should have promised (plural)

• Si hubieren prometido cambios, deberán documentarlos. — If they should have promised changes, they must document them.

Prometer imperative and commands

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

Prometer affirmative commands

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

Pronoun and English meaning	Spanish	Natural English guide
Tú — you, singular informal	promete	promise
Usted — you, singular formal	prometa	promise (formal)
Nosotros / Nosotras — we; let’s…	prometamos	let’s promise
Vosotros / Vosotras — you, plural informal, mainly Spain	prometed	promise (plural, mainly Spain)
Ustedes — you, plural	prometan	promise (plural)

• Promete solo lo que puedas cumplir. — Promise only what you can fulfill.

Prometer negative commands

Negative commands use subjunctive-based forms, with no — “not / do not” — before the verb.

Pronoun and English meaning	Spanish	Natural English guide
Tú — you, singular informal	no prometas	do not promise
Usted — you, singular formal	no prometa	do not promise (formal)
Nosotros / Nosotras — we; let’s…	no prometamos	let’s not promise
Vosotros / Vosotras — you, plural informal, mainly Spain	no prometáis	do not promise (plural, mainly Spain)
Ustedes — you, plural	no prometan	do not promise (plural)

• No prometas algo que no puedas hacer. — Do not promise something you cannot do.

Common constructions with Prometer

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

• prometer algo. — to promise something.
• prometer + infinitive. — to promise to do something.
• prometer que + clause. — to promise that something will happen.
• algo promete. — something looks promising.

Example sentences with Prometer

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

• Te prometo que volveré. — I promise you that I will return.
• Prometió llamar mañana. — He / she promised to call tomorrow.
• Este proyecto promete. — This project looks promising.
• Espero que prometas solo lo necesario. — I hope you promise only what is necessary.
• Ya hemos prometido una solución. — We have already promised a solution.
• Promete cumplir el acuerdo. — Promise to honor the agreement.

Regional and usage notes for Prometer

The core tables retain tú, usted, vosotros/vosotras, and ustedes for project comparability. Voseo changes some second-person singular forms in regions where vos — “you, singular informal” — is used.

• Vos prometés llegar a tiempo. — You promise to arrive on time. (voseo)
• Prometé decir la verdad. — Promise to tell the truth. (affirmative vos command)

Prometer is fully regular. The main learner decision is what follows it: a noun for the promised thing, an infinitive for the speaker’s promised action, or que + clause for a promised proposition.