proponer Preterite Conjugation
proponer — to propose
The preterite of proponer is highly irregular with a 'u' stem: propuse, propusiste, propuso, propusimos, propusisteis, propusieron.
proponer Preterite Forms
When to Use the Preterite
Use the preterite to describe a specific time you made a suggestion or a proposal in the past that is now finished.
Notes on proponer in the Preterite
This verb uses a special 'u' stem (propus-) and irregular endings without accents. It is identical to the 'poner' preterite but with the 'pro-' prefix.
Example Sentences
Ayer propuse una idea nueva en la oficina.
Yesterday I proposed a new idea at the office.
yo
Tú propusiste el viaje a la montaña.
You proposed the trip to the mountains.
tú
Ellos propusieron un brindis por la novia.
They proposed a toast for the bride.
ellos/ellas/ustedes
Common Mistakes
Mistake: proponí
Correct: propuse
Why: Learners often try to conjugate it as a regular -er verb instead of using the irregular 'u' stem.
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Related Tenses
Present
yo: propongo
The present of proponer is irregular in the yo form: propongo, propones, propone, proponemos, proponéis, proponen.
Imperfect
yo: proponía
The imperfect of proponer is regular for -er verbs: proponía, proponías, proponía, proponíamos, proponíais, proponían.
Future
yo: propondré
The future of proponer uses an irregular 'dr' stem: propondré, propondrás, propondrá, propondremos, propondréis, propondrán.
Conditional
yo: propondría
The conditional of proponer uses the 'dr' stem with -ía endings: propondría, propondrías, propondría, propondríamos, propondríais, propondrían.
Present Subjunctive
yo: proponga
The present subjunctive of proponer uses the 'g' stem: proponga, propongas, proponga, propongamos, propongáis, propongan.
Imperfect Subjunctive
yo: propusiera
The imperfect subjunctive of proponer uses the 'u' stem: propusiera, propusieras, propusiera, propusiéramos, propusierais, propusieran.
Affirmative Imperative
yo: propón
The imperative of proponer has a short tú form: propón, proponga, propongamos, proponed, propongan.
Negative Imperative
yo: propongas
The negative imperative of proponer uses the 'g' stem: no propongas, no proponga, no propongamos, no propongáis, no propongan.