decidir Imperfect Conjugation
decidir — to decide
The imperfect of decidir uses standard -ía endings: decidía, decidías, decidía, decidíamos, decidíais, decidían.
decidir Imperfect Forms
When to Use the Imperfect
Use the imperfect to describe the process of deciding or a state of indecision in the past. It's often used for 'I was deciding' or 'I used to decide'.
Notes on decidir in the Imperfect
Decidir is regular in the imperfect. Every single form has an accent on the first 'i' of the ending.
Example Sentences
Yo no decidía nada en esa empresa.
I didn't used to decide anything in that company.
yo
Mientras nosotros decidíamos el menú, el camarero esperaba.
While we were deciding on the menu, the waiter waited.
nosotros
Tú nunca decidías a qué hora quedar.
You never used to decide what time to meet.
tú
Common Mistakes
Mistake: decidiamos
Correct: decidíamos
Why: All forms of the imperfect for -ir verbs require a written accent on the 'i'.
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Related Tenses
Present
yo: decido
Decidir is a regular -ir verb in the present: decido, decides, decide, decidimos, decidís, deciden.
Preterite
yo: decidí
The preterite of decidir is regular: decidí, decidiste, decidió, decidimos, decidisteis, decidieron.
Future
yo: decidiré
The future of decidir adds endings to the infinitive: decidiré, decidirás, decidirá, decidiremos, decidiréis, decidirán.
Conditional
yo: decidiría
The conditional of decidir uses the infinitive plus -ía: decidiría, decidirías, decidiría, decidiríamos, decidiríais, decidirían.
Present Subjunctive
yo: decida
The present subjunctive of decidir changes the vowel to 'a': decida, decidas, decida, decidamos, decidáis, decidan.
Imperfect Subjunctive
yo: decidiera
The imperfect subjunctive of decidir uses the preterite stem: decidiera, decidieras, decidiera, decidiéramos, decidierais, decidieran.
Affirmative Imperative
yo: decide
The imperative of decidir gives direct commands: decide, decida, decidamos, decidid, decidan.
Negative Imperative
yo: no decidas
The negative imperative of decidir uses the present subjunctive: no decidas, no decida, no decidamos, no decidáis, no decidan.