Conjugate oponerse in Spanish
to oppose
oponerse is an irregular -er verb ranked #2300 among the most common Spanish verbs. For example: "Me opongo a esa decisión." (I oppose that decision.). Use the tables below for full conjugation across all 7 tenses.
oponerse — Spanish Conjugation Chart
to oppose · -er verb · irregular (go-verb) · conjugado.com
Describes current actions, habits, and general truths. The most frequently used tense — master it first.
| Pronoun | Conjugation |
|---|---|
| yo | me opongo * |
| tú | te opones * |
| él/ella/Ud. | se opone * |
| nosotros | nos oponemos * |
| vosotros | os oponéis * |
| ellos/ellas/Uds. | se oponen * |
Me opongo a esa decisión.
I oppose that decision.
Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.
| Pronoun | Conjugation |
|---|---|
| yo | me opuse * |
| tú | te opusiste * |
| él/ella/Ud. | se opuso * |
| nosotros | nos opusimos * |
| vosotros | os opusisteis * |
| ellos/ellas/Uds. | se opusieron * |
Se opusieron al proyecto.
They opposed the project.
Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.
| Pronoun | Conjugation |
|---|---|
| yo | me oponía * |
| tú | te oponías * |
| él/ella/Ud. | se oponía * |
| nosotros | nos oponíamos * |
| vosotros | os oponíais * |
| ellos/ellas/Uds. | se oponían * |
Antes yo me oponía con frecuencia.
Before, I used to oppose often.
Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.
| Pronoun | Conjugation |
|---|---|
| yo | me opondré * |
| tú | te opondrás * |
| él/ella/Ud. | se opondrá * |
| nosotros | nos opondremos * |
| vosotros | os opondréis * |
| ellos/ellas/Uds. | se opondrán * |
Mañana yo me opondré.
Tomorrow I will oppose.
Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.
| Pronoun | Conjugation |
|---|---|
| yo | me opondría * |
| tú | te opondrías * |
| él/ella/Ud. | se opondría * |
| nosotros | nos opondríamos * |
| vosotros | os opondríais * |
| ellos/ellas/Uds. | se opondrían * |
Si pudiera, yo me opondría.
If I could, I would oppose.
Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.
| Pronoun | Conjugation |
|---|---|
| yo | me oponga * |
| tú | te opongas * |
| él/ella/Ud. | se oponga * |
| nosotros | nos opongamos * |
| vosotros | os opongáis * |
| ellos/ellas/Uds. | se opongan * |
Espero que tú te opongas.
I hope that you oppose.
Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.
| Pronoun | Conjugation |
|---|---|
| yo | - |
| tú | oponte * |
| él/ella/Ud. | opóngase * |
| nosotros | opongámonos * |
| vosotros | oponeos * |
| ellos/ellas/Uds. | opónganse * |
¡Oponte!
Oppose!
Test yourself
Type the correct conjugation for each prompt.
Example sentences
-
Me opongo a esa decisión.
I oppose that decision.
-
Se opusieron al proyecto.
They opposed the project.
Common phrases with oponerse
- oponerse a algo to oppose something
- oponerse rotundamente to firmly oppose