reforzar Imperfect Subjunctive Conjugation
reforzar — to reinforce
Formed from the 'reforzaron' stem: reforzara, reforzaras, reforzara...
reforzar Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use in hypothetical 'if' statements or after past-tense triggers of emotion or doubt.
Notes on reforzar in the Imperfect Subjunctive
It follows the third-person plural preterite (reforzaron). It is regular in this tense relative to its preterite stem.
Example Sentences
Si reforzaras la base, no se caería.
If you reinforced the base, it wouldn't fall.
tú
Quería que nosotros reforzáramos el proyecto.
He wanted us to reinforce the project.
nosotros
Fue una lástima que no reforzaran el muro.
It was a shame they didn't reinforce the wall.
ellos/ellas/ustedes
Common Mistakes
Mistake: Adding a stem change like 'refuerzara'.
Correct: reforzara
Why: The imperfect subjunctive is based on the preterite stem, which does not have the o-ue change.
Master Spanish verbs in context
Memorizing tables only gets you so far. Read 200+ illustrated and narrated Spanish stories to see verbs like 'reforzar' used naturally — in the tenses you're learning.
Related Tenses
Present
yo: refuerzo
Reforzar follows an o-ue stem change in all forms except nosotros and vosotros.
Preterite
yo: reforcé
Reforzar has a spelling change in the 'yo' form (reforcé) to keep the 'th/s' sound.
Imperfect
yo: reforzaba
Reforzar is completely regular in the imperfect: reforzaba, reforzabas, reforzaba...
Future
yo: reforzaré
Reforzar is regular in the future; just add endings to the full infinitive.
Conditional
yo: reforzaría
The conditional uses the infinitive 'reforzar' plus endings like -ía, -ías, -ía.
Present Subjunctive
yo: refuerce
The present subjunctive features the o-ue stem change and the z-c spelling change.
Affirmative Imperative
yo: refuerza
Give commands using 'refuerza' (tú) or 'refuercen' (ustedes).
Negative Imperative
yo: no refuerces
All negative commands for reforzar use the present subjunctive forms.