unir — Spanish conjugation

to unite; to join

Frequency#209RegularReflexiveunirse — to join (unirse a)

Indicative

Present (Presente) Regular

The present tense is the most versatile tense in Spanish. It covers actions happening right now, habitual actions, and even near-future plans. One form does the work of three English constructions.

Ella habla inglés — She speaks / is speaking English

PronounSpanishEnglish
younoI unite
unesyou unite
vosunísyou unite
él/ella/Ud.unehe/she/it unites
nosotrosunimoswe unite
vosotrosunísyou (pl.) unite
ellos/ellas/Uds.unenthey unite

Preterite (Pretérito indefinido) Regular

Used for completed past actions with a defined endpoint — a single event, a series of events, or an action that interrupted another. Common with time expressions like ayer, el lunes, una vez.

Ella habló de ti ayer — She spoke about you yesterday

PronounSpanishEnglish
youníI united
unisteyou united
vosunisteyou united
él/ella/Ud.unióhe/she/it united
nosotrosunimoswe united
vosotrosunisteisyou (pl.) united
ellos/ellas/Uds.unieronthey united

Imperfect (Pretérito imperfecto) Regular

Describes ongoing or habitual past states — what things were like, background context, what used to happen. Contrasts with the preterite which marks completed events.

Cuando era niño vivía en Valencia — When I was a child I lived in Valencia

PronounSpanish
younía
unías
vosunías
él/ella/Ud.unía
nosotrosuníamos
vosotrosuníais
ellos/ellas/Uds.unían

Conditional (Condicional) Regular

Expresses hypothetical actions, polite requests, and what would happen under certain conditions. Also used for reported speech about the future from a past perspective.

¿Podrías ayudarme? — Could you help me?

PronounSpanishEnglish
youniríaI would unite
uniríasyou would unite
vosuniríasyou would unite
él/ella/Ud.uniríahe/she/it would unite
nosotrosuniríamoswe would unite
vosotrosuniríaisyou (pl.) would unite
ellos/ellas/Uds.uniríanthey would unite

Future (Futuro) Regular

Expresses future actions, predictions, and probability about the present. Formed with the full infinitive as stem for most verbs. In spoken Spanish, ir a + infinitive is often preferred for near future.

Ella hablará en conferencia mañana — She will speak at the conference tomorrow

PronounSpanishEnglish
youniréI will unite
unirásyou will unite
vosunirásyou will unite
él/ella/Ud.uniráhe/she/it will unite
nosotrosuniremoswe will unite
vosotrosuniréisyou (pl.) will unite
ellos/ellas/Uds.uniránthey will unite

Present perfect (Pretérito perfecto) Regular

A compound past tense linking a past action to the present moment — something that has happened and still feels recent or relevant. More common in Spain than Latin America where preterite is preferred.

Hoy he hablado con el jefe — Today I have spoken with the boss

PronounSpanishEnglish
yohe unidoI have united
has unidoyou have united
voshas unidoyou have united
él/ella/Ud.ha unidohe/she/it has united
nosotroshemos unidowe have united
vosotroshabéis unidoyou (pl.) have united
ellos/ellas/Uds.han unidothey have united

Pluperfect (Pretérito pluscuamperfecto) Regular

The past of the past — describes an action that was already completed before another past event happened. Always implies a reference point in the past.

Ya había hablado cuando llegaste — She had already spoken when you arrived

PronounSpanishEnglish
yohabía unidoI had united
habías unidoyou had united
voshabías unidoyou had united
él/ella/Ud.había unidohe/she/it had united
nosotroshabíamos unidowe had united
vosotroshabíais unidoyou (pl.) had united
ellos/ellas/Uds.habían unidothey had united

Conditional perfect (Condicional perfecto) Regular

Expresses what would have happened — actions that were possible but did not occur, or regrets about the past. Formed with conditional of haber + past participle.

Habría hablado, pero no me dejaron — I would have spoken, but they did not let me

PronounSpanish
yohabría unido
habrías unido
voshabrías unido
él/ella/Ud.habría unido
nosotroshabríamos unido
vosotroshabríais unido
ellos/ellas/Uds.habrían unido

Future perfect (Futuro perfecto) Regular

Describes an action that will have been completed by a certain point in the future, or expresses probability about a recent past action.

Para el lunes habré terminado — By Monday I will have finished

PronounSpanishEnglish
yohabré unidoI will have united
habrás unidoyou will have united
voshabrás unidoyou will have united
él/ella/Ud.habrá unidohe/she/it will have united
nosotroshabremos unidowe will have united
vosotroshabréis unidoyou (pl.) will have united
ellos/ellas/Uds.habrán unidothey will have united

Subjunctive

Present subjunctive (Subjuntivo presente) Regular

Used in subordinate clauses after expressions of desire, doubt, emotion, necessity, or impersonal statements. Triggered by a change of subject between the main and subordinate clause.

Espero que hable — I hope she speaks

PronounSpanish
youna
unas
vosunas
él/ella/Ud.una
nosotrosunamos
vosotrosunáis
ellos/ellas/Uds.unan

Imperfect subjunctive (-ra) (Subjuntivo imperfecto (-ra)) Regular

The past subjunctive used after past main verbs, in if-clauses with conditional, and for polite softening. The -ra form is more common in everyday speech than the -se form.

Si pudiera, lo haría — If I could, I would do it

PronounSpanish
youniera
unieras
vosunieras
él/ella/Ud.uniera
nosotrosuniéramos
vosotrosunierais
ellos/ellas/Uds.unieran

Imperfect subjunctive (-se) (Subjuntivo imperfecto (-se)) Regular

The alternative past subjunctive form. Interchangeable with -ra in most contexts but slightly more literary or formal. Both forms are grammatically correct in all regions.

Si pudiese, lo haría — If I could, I would do it

PronounSpanish
youniese
unieses
vosunieses
él/ella/Ud.uniese
nosotrosuniésemos
vosotrosunieseis
ellos/ellas/Uds.uniesen

Perfect subjunctive (Pretérito perfecto de subjuntivo) Regular

A compound subjunctive that expresses completed actions in a subjunctive context — used after present or future main verbs expressing doubt, emotion or desire.

Dudo que ya haya llegado — I doubt she has already arrived

PronounSpanish
yohaya unido
hayas unido
voshayas unido
él/ella/Ud.haya unido
nosotroshayamos unido
vosotroshayáis unido
ellos/ellas/Uds.hayan unido

Pluperfect subjunctive (Pluscuamperfecto de subjuntivo) Regular

Expresses what had happened in hypothetical or unreal past contexts — the subjunctive equivalent of the pluperfect. Common in contrary-to-fact past conditions.

Si hubiera hablado, lo habrían creído — If she had spoken, they would have believed her

PronounSpanish
yohubiera unido
hubieras unido
voshubieras unido
él/ella/Ud.hubiera unido
nosotroshubiéramos unido
vosotroshubierais unido
ellos/ellas/Uds.hubieran unido

Other forms

Imperative (affirmative) (Imperativo afirmativo) Regular

Direct commands and instructions. The imperative only exists for tú, usted, nosotros, vosotros and ustedes — yo has no command form. Affirmative and negative forms use different conjugations.

Habla más despacio — Speak more slowly

PronounSpanish
une
vosuní
él/ella/Ud.una
nosotrosunamos
vosotrosunid
ustedesunan

Imperative (negative) (Imperativo negativo) Regular

Negative commands use the subjunctive forms for all persons. Formed with no + present subjunctive. This applies to all persons including tú where the affirmative uses a different form.

No hables tan rápido — Do not speak so fast

PronounSpanish
no unas
vosno unas
él/ella/Ud.no una
nosotrosno unamos
vosotrosno unáis
ustedesno unan

Present progressive (Presente progresivo) Regular

Emphasises that an action is happening right now at this very moment. Less common than in English since the present tense already covers ongoing actions in Spanish.

Estoy hablando contigo — I am speaking with you

PronounSpanish
yoestoy uniendo
estás uniendo
vosestás uniendo
él/ella/Ud.está uniendo
nosotrosestamos uniendo
vosotrosestáis uniendo
ellos/ellas/Uds.están uniendo

Preterite progressive (Pretérito indefinido progresivo) Regular

Describes an action that was in progress throughout a completed past period. Uses the preterite of estar + gerund to emphasise the ongoing nature within a defined timeframe.

Estuvo hablando toda la tarde — He was talking all afternoon

PronounSpanish
yoestuve uniendo
estuviste uniendo
vosestuviste uniendo
él/ella/Ud.estuvo uniendo
nosotrosestuvimos uniendo
vosotrosestuvisteis uniendo
ellos/ellas/Uds.estuvieron uniendo

Imperfect progressive (Pretérito imperfecto progresivo) Regular

Emphasises an ongoing background action using the imperfect of estar + gerund. Layered on top of the imperfect which already conveys continuity — used for extra emphasis on the progressive nature.

Estaba hablando cuando entró — I was speaking when he came in

PronounSpanish
yoestaba uniendo
estabas uniendo
vosestabas uniendo
él/ella/Ud.estaba uniendo
nosotrosestábamos uniendo
vosotrosestabais uniendo
ellos/ellas/Uds.estaban uniendo

Conditional progressive (Condicional progresivo) Regular

Expresses what would be in progress under hypothetical conditions. Uses the conditional of estar + gerund. Less common but used for emphasis on the ongoing nature of a hypothetical action.

Estaría hablando ahora si pudiera — I would be speaking now if I could

PronounSpanish
yoestaría uniendo
estarías uniendo
vosestarías uniendo
él/ella/Ud.estaría uniendo
nosotrosestaríamos uniendo
vosotrosestaríais uniendo
ellos/ellas/Uds.estarían uniendo

Future progressive (Futuro progresivo) Regular

Describes an action that will be in progress at a future point, or expresses probability about an ongoing present action. Uses the future of estar + gerund.

Mañana a esta hora estaré viajando — At this time tomorrow I will be travelling

PronounSpanish
yoestaré uniendo
estarás uniendo
vosestarás uniendo
él/ella/Ud.estará uniendo
nosotrosestaremos uniendo
vosotrosestaréis uniendo
ellos/ellas/Uds.estarán uniendo