duplicar Imperfect Conjugation
duplicar — to double
The imperfect of duplicar is regular: duplicaba, duplicabas, duplicaba, duplicábamos, duplicabais, duplicaban.
duplicar Imperfect Forms
When to Use the Imperfect
Use the imperfect to describe a process of doubling that was ongoing in the past, or a habit of doubling things.
Notes on duplicar in the Imperfect
This verb is completely regular in the imperfect indicative.
Example Sentences
Antes, la población se duplicaba cada década.
Before, the population used to double every decade.
él/ella/usted
Nosotros siempre duplicábamos las raciones en las fiestas.
We always used to double the portions at parties.
nosotros
Sentía que mis problemas se duplicaban cada día.
I felt like my problems were doubling every day.
ellos/ellas/ustedes
Common Mistakes
Mistake: Forgetting the accent on 'duplicábamos'.
Correct: Always add an accent to the 'nosotros' form: duplicábamos.
Why: All -ar verbs in the imperfect have an accent on the 'a' in the nosotros form.
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Related Tenses
Present
yo: duplico
The present tense of duplicar is regular: duplico, duplicas, duplica, duplicamos, duplicáis, duplican.
Preterite
yo: dupliqué
The preterite of duplicar has a spelling change in the 'yo' form: dupliqué.
Future
yo: duplicaré
The future of duplicar is regular: duplicaré, duplicarás, duplicará, duplicaremos, duplicaréis, duplicarán.
Conditional
yo: duplicaría
The conditional of duplicar is regular: duplicaría, duplicarías, duplicaría, duplicaríamos, duplicaríais, duplicarían.
Present Subjunctive
yo: duplique
The present subjunctive of duplicar uses the 'qu' spelling: duplique, dupliques, duplique, dupliquemos, dupliquéis, dupliquen.
Imperfect Subjunctive
yo: duplicara
The imperfect subjunctive of duplicar is regular: duplicara, duplicaras, duplicara, duplicáramos, duplicarais, duplicaran.
Affirmative Imperative
yo: duplica
The imperative of duplicar gives commands: duplica (tú), duplique (usted), dupliquemos (nosotros).
Negative Imperative
yo: no dupliques
The negative imperative of duplicar uses 'no' + present subjunctive: no dupliques, no duplique, no dupliquemos.