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Spanish · Verb · #445 most common

deteriorar

to damage
to deteriorate

Regular-ar 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.

yodeterioro
deterioras
él/elladeteriora
nosotrosdeterioramos
vosotrosdeterioráis
ellos/ellasdeterioran

El clima está deteriorando la pintura de la casa.

The weather is deteriorating the paint on the house.

Los problemas económicos están deteriorando la calidad de vida.

The economic problems are deteriorating the quality of life.

2.

Pretérito Indefinido

Completed actions at a specific point in the past.

yodeterioré
deterioraste
él/elladeterioró
nosotrosdeterioramos
vosotrosdeteriorasteis
ellos/ellasdeterioraron

El agua deterioró el documento antiguo.

The water damaged the old document.

El tiempo deterioró la estatua en el parque.

The weather damaged the statue in the park.

3.

Imperfecto

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

yodeterioraba
deteriorabas
él/elladeterioraba
nosotrosdeteriorábamos
vosotrosdeteriorabais
ellos/ellasdeterioraban

Cuando vivía allí, el edificio se deterioraba rápidamente.

When I lived there, the building was deteriorating quickly.

La falta de mantenimiento deterioraba el sistema de tuberías.

The lack of maintenance was damaging the plumbing system.

4.

Futuro Simple

Future actions, predictions, and speculation about the present.

yodeterioraré
deteriorarás
él/elladeteriorará
nosotrosdeterioraremos
vosotrosdeterioraréis
ellos/ellasdeteriorarán

Si no lo cuidas, el coche se deteriorará.

If you don't take care of it, the car will deteriorate.

El clima extremo deteriorará las infraestructuras.

Extreme weather will deteriorate the infrastructure.

5.

Condicional

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

yodeterioraría
deteriorarías
él/elladeterioraría
nosotrosdeterioraríamos
vosotrosdeterioraríais
ellos/ellasdeteriorarían

Si no lo proteges, podría deteriorarse rápidamente.

If you don't protect it, it could deteriorate quickly.

El uso excesivo podría deteriorar la calidad del producto.

Excessive use could damage the quality of the product.

6.

Subjuntivo Presente

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

yodeteriore
deteriores
él/elladeteriore
nosotrosdeterioremos
vosotrosdeterioréis
ellos/ellasdeterioren

Es importante que no deterioren el medio ambiente.

It is important that they do not damage the environment.

Espero que la falta de uso no deterioren las instalaciones.

I hope that the lack of use does not damage the facilities.

7.

Subjuntivo Imperfecto

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

yodeteriorara
deterioraras
él/elladeteriorara
nosotrosdeterioráramos
vosotrosdeteriorarais
ellos/ellasdeterioraran

Si se deteriorara el material, tendríamos que reemplazarlo.

If the material were to deteriorate, we would have to replace it.

Ojalá que no deteriorara la relación entre ellos.

I wish that it wouldn't damage the relationship between them.

"deteriorar" in other languages

Related verbs

Common questions
Is "deteriorar" regular or irregular in Spanish?
"deteriorar" is a regular -ar verb in Spanish. It follows the standard conjugation pattern for -ar verbs.
How do you conjugate "deteriorar" in the present tense?
In the Presente, "deteriorar" conjugates as: deterioras, deterioro, deterioran, and more. See the full table above.
What is the past tense of "deteriorar" in Spanish?
In the Pretérito Indefinido, "deteriorar" conjugates as: deterioraste, deterioré, deterioraron, and more. See the full table above.
How common is "deteriorar" in Spanish?
"deteriorar" (to damage, to deteriorate) is one of the most commonly used verbs in Spanish.