contaminar
to contaminate
In the tables below, the stem is shown in black and the ending in purple.
1.Presente
Presente
Habitual actions, general truths, and what's happening now.
| yo | contamino |
| tú | contaminas |
| él/ella | contamina |
| nosotros | contaminamos |
| vosotros | contamináis |
| ellos/ellas | contaminan |
Las fábricas contaminan el aire todos los días.
The factories contaminate the air every day.
Es importante que no contaminemos nuestros ríos.
It is important that we do not contaminate our rivers.
2.Pretérito Indefinido
Pretérito Indefinido
Completed actions at a specific point in the past.
| yo | contaminé |
| tú | contaminaste |
| él/ella | contaminó |
| nosotros | contaminamos |
| vosotros | contaminasteis |
| ellos/ellas | contaminaron |
El derrame de petróleo contaminó la playa ayer.
The oil spill contaminated the beach yesterday.
La empresa contaminó el agua potable el año pasado.
The company contaminated the drinking water last year.
3.Imperfecto
Imperfecto
Ongoing or repeated actions in the past, descriptions, and background context.
| yo | contaminaba |
| tú | contaminabas |
| él/ella | contaminaba |
| nosotros | contaminábamos |
| vosotros | contaminabais |
| ellos/ellas | contaminaban |
Antes, muchas industrias contaminaban el medio ambiente sin preocuparse.
In the past, many industries contaminated the environment without worrying.
Cuando era niño, pensaba que los autos contaminaban menos.
When I was a child, I thought cars contaminated less.
4.Futuro Simple
Futuro Simple
Future actions, predictions, and speculation about the present.
| yo | contaminaré |
| tú | contaminarás |
| él/ella | contaminará |
| nosotros | contaminaremos |
| vosotros | contaminaréis |
| ellos/ellas | contaminarán |
Si no tomamos medidas, el plástico contaminará nuestros océanos.
If we don't take action, plastic will contaminate our oceans.
Las nuevas leyes ayudarán a que las empresas no contaminen más.
The new laws will help companies not to contaminate anymore.
5.Condicional
Condicional
Hypothetical situations, polite requests, and future-in-the-past.
| yo | contaminaría |
| tú | contaminarías |
| él/ella | contaminaría |
| nosotros | contaminaríamos |
| vosotros | contaminaríais |
| ellos/ellas | contaminarían |
Si tuviéramos más conciencia, no contaminaríamos tanto.
If we had more awareness, we wouldn't contaminate so much.
Las personas que reciclan reducirían la cantidad de basura que contamina.
People who recycle would reduce the amount of waste that contaminates.
6.Subjuntivo Presente
Subjuntivo Presente
Wishes, doubts, emotions, and subordinate clauses expressing uncertainty.
| yo | contamine |
| tú | contamines |
| él/ella | contamine |
| nosotros | contaminemos |
| vosotros | contaminéis |
| ellos/ellas | contaminen |
Es necesario que todos evitemos contaminar el planeta.
It is necessary that we all avoid contaminating the planet.
Ojalá que el gobierno actúe antes de que contaminemos más.
I hope the government acts before we contaminate more.
7.Subjuntivo Imperfecto
Subjuntivo Imperfecto
Past subjunctive contexts, hypothetical si-clauses, and polite suggestions.
| yo | contaminara |
| tú | contaminaras |
| él/ella | contaminara |
| nosotros | contamináramos |
| vosotros | contaminarais |
| ellos/ellas | contaminaran |
Si la gente supiera las consecuencias, no contaminaría.
If people knew the consequences, they wouldn't contaminate.
Si las empresas se preocuparan, no contaminaran tanto.
If companies cared, they wouldn't contaminate so much.
Related verbs
Common questions
- Is "contaminar" regular or irregular in Spanish?
- "contaminar" is a regular -ar verb in Spanish. It follows the standard conjugation pattern for -ar verbs.
- How do you conjugate "contaminar" in the present tense?
- In the Presente, "contaminar" conjugates as: contamino, contaminas, contamina, and more. See the full table above.
- What is the past tense of "contaminar" in Spanish?
- In the Pretérito Indefinido, "contaminar" conjugates as: contaminé, contaminaste, contaminó, and more. See the full table above.
- How common is "contaminar" in Spanish?
- "contaminar" (to contaminate) is one of the most commonly used verbs in Spanish.