convertir Imperfect Subjunctive Conjugation
convertir — to convert
The imperfect subjunctive of convertir uses the 'i' stem in all forms: convirtiera, convirtieras.
convertir Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this in 'if' clauses (e.g., 'If I converted...') or when expressing past desires or doubts about a transformation.
Notes on convertir in the Imperfect Subjunctive
This tense is built from the third-person plural preterite (convirtieron), so the 'i' stem change persists through all forms.
Example Sentences
Si yo convirtiera mi casa, tendría más espacio.
If I converted my house, I would have more space.
yo
Me pidió que convirtieras el dinero a dólares.
He asked me that you convert the money to dollars.
tú
No creía que convirtieran el desierto en un bosque.
I didn't believe they would turn the desert into a forest.
ellos/ellas/ustedes
Common Mistakes
Mistake: convertiera
Correct: convirtiera
Why: Learners often forget to use the 'i' stem from the preterite 'ellos' form.
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Related Tenses
Present
yo: convierto
Convertir follows an e > ie stem change in all present forms except nosotros and vosotros.
Preterite
yo: convertí
Convertir has a third-person stem change (e > i) in the preterite: convirtió and convirtieron.
Imperfect
yo: convertía
The imperfect of convertir is completely regular: convertía, convertías, convertía, etc.
Future
yo: convertiré
The future of convertir is regular: add endings to the infinitive (convertiré, convertirás).
Conditional
yo: convertiría
The conditional of convertir is regular: convertiría, convertirías, convertiría, convertiríamos.
Present Subjunctive
yo: convierta
The present subjunctive of convertir features e > ie changes, except nosotros/vosotros which use e > i.
Affirmative Imperative
yo: convierte
The imperative of convertir uses the 'ie' stem change for most commands (convierte, convierta).
Negative Imperative
yo: no conviertas
The negative imperative of convertir uses the present subjunctive forms: no conviertas, no convirtamos.