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Spanish · Verb · #175 most common

constituir

to constitute
to form

Irregular-ir ending

In the tables below, the stem is shown in black and the ending in purple.

1.

Presente

Habitual actions, general truths, and what's happening now.

yoconstituyo
constituyes
él/ellaconstituye
nosotrosconstituimos
vosotrosconstituis
ellos/ellasconstituyen

Las leyes constituyen la base de nuestra sociedad.

The laws constitute the foundation of our society.

Estos ingredientes constituyen una deliciosa receta.

These ingredients constitute a delicious recipe.

2.

Pretérito Indefinido

Completed actions at a specific point in the past.

yoconstituí
constituiste
él/ellaconstitu
nosotrosconstituyeron
vosotrosconstituisteis
ellos/ellasconstituyeron

El comité constituyó un nuevo reglamento el año pasado.

The committee constituted a new regulation last year.

Ellos constituyeron una asociación para ayudar a los necesitados.

They constituted an association to help those in need.

3.

Imperfecto

Ongoing or repeated actions in the past, descriptions, and background context.

yoconstituía
constituías
él/ellaconstituía
nosotrosconstituíamos
vosotrosconstituíais
ellos/ellasconstituían

Antes, las normas constituían un gran desafío para los estudiantes.

In the past, the rules constituted a great challenge for the students.

Las comunidades indígenas constituían una parte importante de la historia.

Indigenous communities constituted an important part of history.

4.

Futuro Simple

Future actions, predictions, and speculation about the present.

yoconstituiré
constituirás
él/ellaconstituirá
nosotrosconstituiremos
vosotrosconstituiréis
ellos/ellasconstituirán

El nuevo proyecto constituirá un avance significativo en la tecnología.

The new project will constitute a significant advance in technology.

Este acuerdo constituirá una oportunidad para ambos países.

This agreement will constitute an opportunity for both countries.

5.

Condicional

Hypothetical situations, polite requests, and future-in-the-past.

yoconstituiría
constituirías
él/ellaconstituiría
nosotrosconstituiríamos
vosotrosconstituiríais
ellos/ellasconstituirían

Si se aprueba la ley, constituiría un cambio radical en el sistema.

If the law is approved, it would constitute a radical change in the system.

Una mayor inversión constituiría un beneficio para la economía local.

Increased investment would constitute a benefit for the local economy.

6.

Subjuntivo Presente

Wishes, doubts, emotions, and subordinate clauses expressing uncertainty.

yoconstituya
constituyas
él/ellaconstituya
nosotrosconstituyamos
vosotrosconstituyáis
ellos/ellasconstituyan

Es importante que las decisiones constituyan un impacto positivo.

It is important that the decisions constitute a positive impact.

Espero que esta iniciativa constituya un avance en la educación.

I hope that this initiative constitutes an advance in education.

7.

Subjuntivo Imperfecto

Past subjunctive contexts, hypothetical si-clauses, and polite suggestions.

yoconstituyera
constituyeras
él/ellaconstituyera
nosotrosconstituyéramos
vosotrosconstituyerais
ellos/ellasconstituyeran

Si constituyera un problema, tendríamos que buscar soluciones.

If it constituted a problem, we would have to look for solutions.

Ojalá que las nuevas reglas constituyeran un cambio necesario.

I wish the new rules constituted a necessary change.

"constituir" in other languages

Related verbs

Common questions
Is "constituir" regular or irregular in Spanish?
"constituir" is an irregular Spanish verb. It does not follow the standard -ir conjugation pattern and must be memorized.
How do you conjugate "constituir" in the present tense?
In the Presente, "constituir" conjugates as: constituyes, constituyo, constituyen, and more. See the full table above.
What is the past tense of "constituir" in Spanish?
In the Pretérito Indefinido, "constituir" conjugates as: constituiste, constituí, constituyeron, and more. See the full table above.
How common is "constituir" in Spanish?
"constituir" (to constitute, to form) is one of the most commonly used verbs in Spanish.