convertir Present Subjunctive Conjugation
convertir — to convert
The present subjunctive uses the stem 'conviert-' for most forms, but 'convirt-' for nosotros and vosotros.
convertir Present Subjunctive Forms
When to Use the Present Subjunctive
Use this after expressions of desire, doubt, or necessity, like 'Espero que se convierta en realidad'.
Notes on convertir in the Present Subjunctive
This verb follows the complex pattern for -ir stem-changers: e > ie in the 'boot' and e > i in the nosotros/vosotros forms.
Example Sentences
Espero que conviertas este caos en orden.
I hope you convert this chaos into order.
tú
Es necesario que convirtamos los dólares ahora.
It is necessary that we convert the dollars now.
nosotros
Common Mistakes
Mistake: Using 'conviertamos' instead of 'convirtamos'.
Correct: convirtamos
Why: In the subjunctive, -ir stem-changing verbs use a single-letter change (e > i) for the nosotros form.
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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.
Imperfect
yo: convertía
The imperfect of convertir is regular: convertía, convertías, convertía, convertíamos, convertíais, convertían.
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.
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.