oponer Preterite Conjugation
oponer — to put up
The preterite of oponer is highly irregular, using the 'pus-' stem: opuse, opusiste, opuso, etc.
oponer Preterite Forms
When to Use the Preterite
Use the preterite to describe a specific instance when someone resisted or put up opposition to an action or decision in the past.
Notes on oponer in the Preterite
Oponer follows the irregular conjugation of 'poner'. The stem changes to 'opus-' and it uses the special set of endings for irregular preterites (e, iste, o, imos, isteis, ieron) without accents.
Example Sentences
El sospechoso no opuso resistencia durante el arresto.
The suspect did not put up resistance during the arrest.
él/ella/usted
Me opuse a la propuesta en la reunión de ayer.
I opposed the proposal in yesterday's meeting.
yo
Ellos se opusieron a vender la casa.
They opposed selling the house.
ellos/ellas/ustedes
Common Mistakes
Mistake: Saying 'oponí' or 'oponió'.
Correct: Use 'opuse' and 'opuso'.
Why: Oponer is not a regular -er verb in the preterite; it must follow the 'pus' stem change.
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Related Tenses
Present
yo: opongo
The present tense of oponer is irregular in the 'yo' form (opongo), but regular like 'comer' for the rest.
Imperfect
yo: oponía
The imperfect of oponer is completely regular: oponía, oponías, oponía, oponíamos, oponíais, oponían.
Future
yo: opondré
The future of oponer uses the irregular stem 'opondr-': opondré, opondrás, opondrá.
Conditional
yo: opondría
The conditional of oponer uses the 'opondr-' stem: opondría, opondrías, opondría.
Present Subjunctive
yo: oponga
The present subjunctive uses the 'opong-' stem: oponga, opongas, oponga, etc.
Imperfect Subjunctive
yo: opusiera
The imperfect subjunctive uses the 'opusie-' stem: opusiera, opusieras, opusiera.
Affirmative Imperative
yo: opón
The imperative has a short 'tú' form (opón) and 'g' forms for others: opón, oponga, opongamos.
Negative Imperative
yo: no opongas
The negative imperative uses 'no' plus the present subjunctive: no opongas, no oponga.