convertir Imperfect Conjugation
convertir — to convert
The imperfect of convertir is completely regular: convertía, convertías, convertía, etc.
convertir Imperfect Forms
When to Use the Imperfect
Use this tense to describe a transformation that was in progress or a habitual process of conversion that happened in the past without a specific end.
Notes on convertir in the Imperfect
Convertir is regular in the imperfect. There are no stem changes (no 'ie' or 'i') in this tense.
Example Sentences
Antes, yo convertía todos mis archivos manualmente.
Before, I used to convert all my files manually.
yo
Ellos convertían el trigo en harina en el viejo molino.
They used to convert wheat into flour in the old mill.
ellos/ellas/ustedes
Nosotros convertíamos la sala en un cine cada viernes.
We used to turn the living room into a cinema every Friday.
nosotros
Common Mistakes
Mistake: convirtía
Correct: convertía
Why: Learners often mistakenly carry over the stem change from the preterite or present into the imperfect.
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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.
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.
Imperfect Subjunctive
yo: convirtiera
The imperfect subjunctive of convertir uses the 'i' stem in all forms: convirtiera, convirtieras.
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.