constituir Imperfect Subjunctive Conjugation
constituir — to constitute
The imperfect subjunctive is based on the preterite 'ellos' form: constituyera, constituyeras, constituyera, constituyéramos, constituyerais, constituyeran.
constituir Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this for hypotheticals (often with 'si' clauses) or when the main verb is in the past and triggers the subjunctive.
Notes on constituir in the Imperfect Subjunctive
Since the preterite 'ellos' form is 'constituyeron', the 'y' remains in all forms of the imperfect subjunctive.
Example Sentences
Si yo constituyera la empresa, lo haría así.
If I were to form the company, I would do it this way.
yo
Me pidieron que constituyera un nuevo equipo.
They asked me to form a new team.
yo
Si ellos constituyeran una amenaza, lo sabríamos.
If they constituted a threat, we would know it.
ellos/ellas/ustedes
Common Mistakes
Mistake: constituiera
Correct: constituyera
Why: It must follow the preterite third-person plural stem, which uses a 'y'.
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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.
Imperfect
yo: constituía
Constituir is regular in the imperfect: constituía, constituías, constituía, constituíamos, constituíais, constituían.
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.
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.