interponer Present Subjunctive Conjugation
interponer — to file
The present subjunctive of interponer follows the 'yo' form (interpongo), resulting in interpong- endings.
interponer Present Subjunctive Forms
When to Use the Present Subjunctive
Use this when expressing a wish, doubt, or legal requirement that someone else file a motion or appeal, often triggered by phrases like 'Es necesario que' or 'Dudo que'.
Notes on interponer in the Present Subjunctive
This tense is irregular because it stems from the irregular 'yo' form of the present indicative. You must add a 'g' before the subjunctive endings (interponga, interpongas, etc.).
Example Sentences
Espero que interpongan el recurso antes del viernes.
I hope they file the appeal before Friday.
ellos/ellas/ustedes
El juez pide que interpongas la demanda hoy mismo.
The judge asks that you file the lawsuit this very day.
tú
No creo que interponga una queja formal.
I don't think he will file a formal complaint.
él/ella/usted
Common Mistakes
Mistake: Using 'interponas' instead of 'interpongas'.
Correct: interpongas
Why: The subjunctive must follow the irregular 'g' stem from the first-person present indicative 'interpongo'.
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Related Tenses
Present
yo: interpongo
The present is regular except for the 'yo' form, which adds a 'g' (interpongo).
Preterite
yo: interpuse
Interponer is highly irregular in the preterite, using the stem 'interpusi-' with special endings.
Imperfect
yo: interponía
The imperfect of interponer is completely regular: interponía, interponías, etc.
Future
yo: interpondré
The future tense uses the irregular stem 'interpondr-' followed by standard future endings.
Conditional
yo: interpondría
The conditional uses the irregular stem 'interpondr-' (the same as the future).
Imperfect Subjunctive
yo: interpusiera
The imperfect subjunctive uses the irregular 'interpusi-' stem derived from the preterite.
Affirmative Imperative
yo: interpón
The imperative uses 'interpón' for tú and 'interponga' for formal commands.
Negative Imperative
yo: no interpongas
The negative imperative uses 'no' plus the present subjunctive forms (interpongas).