constituir Imperfect Conjugation
constituir — to constitute
Constituir is regular in the imperfect: constituía, constituías, constituía, constituíamos, constituíais, constituían.
constituir Imperfect Forms
When to Use the Imperfect
Use the imperfect to describe what used to constitute a system or to provide background information about how something was formed in the past.
Notes on constituir in the Imperfect
Constituir is regular in the imperfect, but remember that all -ir verbs have an accent on the 'í' in every ending.
Example Sentences
Esa zona constituía el centro del comercio.
That area used to constitute the center of trade.
él/ella/usted
Antes, ellos constituían un gran equipo.
Before, they used to form a great team.
ellos/ellas/ustedes
Nosotros constituíamos la mayoría en el club.
We made up the majority in the club.
nosotros
Common Mistakes
Mistake: constituia
Correct: constituía
Why: The accent on the 'í' is mandatory in the imperfect of -ir verbs to separate the vowels into two syllables.
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Related Tenses
Present
yo: constituyo
Constituir changes the 'u' to 'uy' in all forms except nosotros and vosotros: constituyo, constituyes, constituye, constituyen.
Preterite
yo: constituí
In the preterite, constituir uses a 'y' in the third-person forms: constituyó and constituyeron.
Future
yo: constituiré
The future of constituir is regular: constituiré, constituirás, constituirá, constituiremos, constituiréis, constituirán.
Conditional
yo: constituiría
The conditional of constituir is regular: constituiría, constituirías, constituiría, constituiríamos, constituiríais, constituirían.
Present Subjunctive
yo: constituya
The present subjunctive follows the 'yo' form of the present: constituya, constituyas, constituya, constituyamos, constituyáis, constituyan.
Imperfect Subjunctive
yo: constituyera
The imperfect subjunctive is based on the preterite 'ellos' form: constituyera, constituyeras, constituyera, constituyéramos, constituyerais, constituyeran.
Affirmative Imperative
yo: constituye
Use 'constituye' (tú) or 'constituya' (usted) to give formal orders to form or establish something.
Negative Imperative
yo: no constituyas
The negative imperative always uses the present subjunctive: no constituyas, no constituya, no constituyamos, no constituyáis, no constituyan.