convertir Imperfect Conjugation
convertir — to convert
The imperfect of convertir is regular: convertía, convertías, convertía, convertíamos, convertíais, convertían.
convertir Imperfect Forms
When to Use the Imperfect
Use this to describe ongoing transformations in the past or how things used to be converted habitually.
Notes on convertir in the Imperfect
The verb is regular in this tense. All -ir verbs in the imperfect use the -ía endings.
Example Sentences
Antes, la fábrica convertía madera en papel.
Before, the factory used to convert wood into paper.
él/ella/usted
Nosotros convertíamos todos los archivos a PDF.
We used to convert all the files to PDF.
nosotros
Common Mistakes
Mistake: Forgetting the accent on the 'í'.
Correct: convertía
Why: All imperfect endings for -er and -ir verbs require an accent on the 'i'.
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Related Tenses
Present
yo: convierto
The present tense of convertir features an e > ie stem change in all forms except nosotros and vosotros.
Preterite
yo: convertí
In the preterite, convertir has a stem change (e > i) only in the third-person forms: convirtió and convirtieron.
Future
yo: convertiré
The future tense of convertir is entirely regular: convertiré, convertirás, convertirá, etc.
Conditional
yo: convertiría
The conditional of convertir is regular and uses the full infinitive as the base: convertiría, convertirías, etc.
Present Subjunctive
yo: convierta
The present subjunctive uses the stem 'conviert-' for most forms, but 'convirt-' for nosotros and vosotros.
Imperfect Subjunctive
yo: convirtiera
The imperfect subjunctive is built on the third-person preterite stem 'convirt-': convirtiera, convirtieras, etc.
Affirmative Imperative
yo: convierte
The imperative uses 'convierte' for informal commands and 'convierta/convirtamos' for formal or group commands.
Negative Imperative
yo: no conviertas
The negative imperative uses the present subjunctive forms: no conviertas, no convierta, no convirtamos.