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Spanish · Verb · #390 most common

unir

to unite
to join

Regular-ir ending

In the tables below, the stem is shown in black and the ending in purple.

1.

Presente

Habitual actions, general truths, and what's happening now.

youno
unes
él/ellaune
nosotrosunimos
vosotrosunís
ellos/ellasunen

Nos unimos para trabajar en el proyecto.

We unite to work on the project.

Ella une las piezas del rompecabezas.

She joins the pieces of the puzzle.

2.

Pretérito Indefinido

Completed actions at a specific point in the past.

youní
uniste
él/ellaun
nosotrosunimos
vosotrosunisteis
ellos/ellasunieron

Ayer uní a mis amigos para la fiesta.

Yesterday, I united my friends for the party.

El año pasado unieron sus fuerzas para ayudar.

Last year, they joined forces to help.

3.

Imperfecto

Ongoing or repeated actions in the past, descriptions, and background context.

younía
unías
él/ellaunía
nosotrosuníamos
vosotrosuníais
ellos/ellasunían

Cuando éramos niños, uníamos nuestras manos para jugar.

When we were kids, we joined our hands to play.

Siempre unía a la familia para las cenas.

I always united the family for dinners.

4.

Futuro Simple

Future actions, predictions, and speculation about the present.

youniré
unirás
él/ellaunirá
nosotrosuniremos
vosotrosuniréis
ellos/ellasunirán

Mañana uniré a todos los miembros del equipo.

Tomorrow, I will unite all the team members.

Ellos unirán sus ideas para el proyecto.

They will join their ideas for the project.

5.

Condicional

Hypothetical situations, polite requests, and future-in-the-past.

youniría
unirías
él/ellauniría
nosotrosuniríamos
vosotrosuniríais
ellos/ellasunirían

Si tuviera tiempo, uniría a mis amigos para un viaje.

If I had time, I would unite my friends for a trip.

Ella uniría sus fuerzas con las de otros.

She would join her forces with others.

6.

Subjuntivo Presente

Wishes, doubts, emotions, and subordinate clauses expressing uncertainty.

youna
unas
él/ellauna
nosotrosunamos
vosotrosunáis
ellos/ellasunan

Es importante que unamos nuestras voces.

It's important that we unite our voices.

Espero que ellos unan sus esfuerzos.

I hope that they join their efforts.

7.

Subjuntivo Imperfecto

Past subjunctive contexts, hypothetical si-clauses, and polite suggestions.

youniera
unieras
él/ellauniera
nosotrosuniéramos
vosotrosunierais
ellos/ellasunieran

Si ellos unieran sus talentos, lograrían más.

If they united their talents, they would achieve more.

Ojalá que uniera a todos en la reunión.

I wish I could unite everyone at the meeting.

"unir" in other languages

Related verbs

Common questions
Is "unir" regular or irregular in Spanish?
"unir" is a regular -ir verb in Spanish. It follows the standard conjugation pattern for -ir verbs.
How do you conjugate "unir" in the present tense?
In the Presente, "unir" conjugates as: unes, uno, unen, and more. See the full table above.
What is the past tense of "unir" in Spanish?
In the Pretérito Indefinido, "unir" conjugates as: uniste, uní, unieron, and more. See the full table above.
How common is "unir" in Spanish?
"unir" (to unite, to join) is one of the most commonly used verbs in Spanish.