constituir Present Conjugation
constituir — to constitute
Constituir changes the 'u' to 'uy' in all forms except nosotros and vosotros: constituyo, constituyes, constituye, constituyen.
constituir Present Forms
When to Use the Present
Use the present tense to describe what things currently make up or form a whole, or to state legal and formal definitions that are true right now.
Notes on constituir in the Present
This is a 'u to uy' spelling change verb. You must add a 'y' before the endings -o, -es, -e, and -en to keep the pronunciation smooth.
Example Sentences
Estos documentos constituyen la base del contrato.
These documents constitute the basis of the contract.
ellos/ellas/ustedes
Yo constituyo mi propia empresa este mes.
I am forming my own company this month.
yo
La educación constituye un derecho fundamental.
Education constitutes a fundamental right.
él/ella/usted
Common Mistakes
Mistake: yo constituo
Correct: yo constituyo
Why: Verbs ending in -uír (where the 'u' is pronounced) require a 'y' before endings that don't start with 'i'.
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Related Tenses
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.
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.