imponer Present Subjunctive Conjugation
imponer — to impose
The present subjunctive uses the 'impong-' stem: imponga, impongas, imponga, impongamos, impongáis, impongan.
imponer Present Subjunctive Forms
When to Use the Present Subjunctive
Use this after expressions of desire, doubt, or necessity, like 'Es necesario que el jefe no imponga tantas horas extra'.
Notes on imponer in the Present Subjunctive
The stem is based on the irregular 'yo' form of the present indicative (impongo), resulting in a 'g' throughout the conjugation.
Example Sentences
No quiero que me impongas tus gustos.
I don't want you to impose your tastes on me.
tú
Es posible que el ayuntamiento imponga una tasa nueva.
It's possible the city council will impose a new fee.
él/ella/usted
Dudo que ellos impongan su autoridad aquí.
I doubt they will impose their authority here.
ellos/ellas/ustedes
Common Mistakes
Mistake: Using 'impona' instead of 'imponga'.
Correct: Always use the 'g' stem: 'imponga'.
Why: Subjunctive stems for -er verbs are derived from the 'yo' form of the present indicative.
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Related Tenses
Present
yo: impongo
The present tense of imponer uses the 'g-verb' pattern for 'yo' (impongo), but follows regular -er patterns for all other persons.
Preterite
yo: impuse
Imponer uses the irregular 'pus-' stem in the preterite: impuse, impusiste, impuso, impusimos, impusisteis, impusieron.
Imperfect
yo: imponía
The imperfect of imponer is completely regular: imponía, imponías, imponía, imponíamos, imponíais, imponían.
Future
yo: impondré
The future tense of imponer uses the irregular stem 'impondr-': impondré, impondrás, impondrá, etc.
Conditional
yo: impondría
The conditional of imponer uses the irregular stem 'impondr-': impondría, impondrías, impondría, etc.
Imperfect Subjunctive
yo: impusiera
The imperfect subjunctive uses the 'impusi-' stem: impusiera, impusieras, impusiera, impusiéramos, impusierais, impusieran.
Affirmative Imperative
yo: impón
The affirmative imperative has a short 'tú' form (impón) and uses 'impong-' for formal/plural commands.
Negative Imperative
yo: no impongas
The negative imperative always uses the present subjunctive: no impongas, no imponga, no impongamos, no impongáis, no impongan.