Conjugate unir in Spanish
to unite / to join
unir is a regular -ir verb ranked #151 among the most common Spanish verbs. For example: "Yo uno todos los días." (I unite every day.). Use the tables below for full conjugation across all 7 tenses.
unir — Spanish Conjugation Chart
to unite / to join · -ir verb · regular · conjugado.com
Describes current actions, habits, and general truths. The most frequently used tense — master it first.
| Pronoun | Conjugation |
|---|---|
| yo | uno |
| tú | unes |
| él/ella/Ud. | une |
| nosotros | unimos |
| vosotros | unís |
| ellos/ellas/Uds. | unen |
Yo uno todos los días.
I unite every day.
Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.
| Pronoun | Conjugation |
|---|---|
| yo | uní |
| tú | uniste |
| él/ella/Ud. | unió |
| nosotros | unimos |
| vosotros | unisteis |
| ellos/ellas/Uds. | unieron |
Nosotros unimos juntos.
We unite together.
Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.
| Pronoun | Conjugation |
|---|---|
| yo | unía |
| tú | unías |
| él/ella/Ud. | unía |
| nosotros | uníamos |
| vosotros | uníais |
| ellos/ellas/Uds. | unían |
Antes yo unía con frecuencia.
Before, I used to unite / to join often.
Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.
| Pronoun | Conjugation |
|---|---|
| yo | uniré |
| tú | unirás |
| él/ella/Ud. | unirá |
| nosotros | uniremos |
| vosotros | uniréis |
| ellos/ellas/Uds. | unirán |
Mañana yo uniré.
Tomorrow I will unite / to join.
Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.
| Pronoun | Conjugation |
|---|---|
| yo | uniría |
| tú | unirías |
| él/ella/Ud. | uniría |
| nosotros | uniríamos |
| vosotros | uniríais |
| ellos/ellas/Uds. | unirían |
Si pudiera, yo uniría.
If I could, I would unite / to join.
Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.
| Pronoun | Conjugation |
|---|---|
| yo | una |
| tú | unas |
| él/ella/Ud. | una |
| nosotros | unamos |
| vosotros | unáis |
| ellos/ellas/Uds. | unan |
Quiero que tú unas más.
I want you to unite more.
Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.
| Pronoun | Conjugation |
|---|---|
| yo | - |
| tú | une |
| él/ella/Ud. | una |
| nosotros | unamos |
| vosotros | unid |
| ellos/ellas/Uds. | unan |
Él une con frecuencia.
He unites often.
Test yourself
Type the correct conjugation for each prompt.
Example sentences
-
Yo uno todos los días.
I unite every day.
-
¿Tú unes mucho?
Do you unite a lot?
-
Él une con frecuencia.
He unites often.
-
Nosotros unimos juntos.
We unite together.
-
Ellos unen bien.
They unite well.
-
Ayer uní por primera vez.
Yesterday I united for the first time.
-
Quiero que tú unas más.
I want you to unite more.
-
Es importante unir correctamente.
It is important to unite / to join correctly.
Common phrases with unir
- unir bien to unite well
- unir mucho to unite a lot
- dejar de unir to stop uniteing
- volver a unir to unite again