unir Imperfect Conjugation
unir — to join
The imperfect of unir uses standard -ía endings: unía, unías, unía, uníamos, uníais, unían.
unir Imperfect Forms
When to Use the Imperfect
Use the imperfect to describe a past state of being joined or a repetitive process of joining things that didn't have a specific end time.
Notes on unir in the Imperfect
Unir is regular in the imperfect. All forms carry a written accent on the 'í'.
Example Sentences
Antes, un puente viejo unía las islas.
Before, an old bridge joined the islands.
él/ella/usted
Nosotros uníamos los puntos en el mapa.
We were joining the dots on the map.
nosotros
Tú unías las piezas con mucho cuidado.
You used to join the pieces with a lot of care.
tú
Common Mistakes
Mistake: unia
Correct: unía
Why: Learners often omit the accent on the 'i', which is mandatory for all forms in the imperfect of -ir verbs.
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Related Tenses
Present
yo: uno
The present tense of unir is regular: uno, unes, une, unimos, unís, unen.
Preterite
yo: uní
Unir is regular in the preterite: uní, uniste, unió, unimos, unisteis, unieron.
Future
yo: uniré
The future of unir is formed by adding endings to the infinitive: uniré, unirás, unirá, uniremos, uniréis, unirán.
Conditional
yo: uniría
The conditional of unir uses the infinitive plus -ía: uniría, unirías, uniría, uniríamos, uniríais, unirían.
Present Subjunctive
yo: una
The present subjunctive of unir follows the regular -ir pattern: una, unas, una, unamos, unáis, unan.
Imperfect Subjunctive
yo: uniera
The imperfect subjunctive of unir is regular: uniera, unieras, uniera, uniéramos, unierais, unieran.
Affirmative Imperative
yo: une
The imperative of unir gives direct commands: une (tú), unid (vosotros), una (usted).
Negative Imperative
yo: no unas
The negative imperative of unir uses the present subjunctive forms: no unas, no una, no unamos, no unáis, no unan.