aislar Imperfect Subjunctive Conjugation
aislar — to isolate
The imperfect subjunctive is regular: aislara, aislaras, aislara, aisláramos, aislarais, aislaran.
aislar Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this for hypothetical situations in the past or after 'si' (if) clauses, such as 'If I isolated the noise, I would sleep better'.
Notes on aislar in the Imperfect Subjunctive
It follows the standard pattern derived from the 3rd person plural of the preterite (aislaron). No accent on the 'i'.
Example Sentences
Si yo aislara la casa, ahorraría energía.
If I insulated the house, I would save energy.
yo
Me pidió que aislara los cables.
He asked me to insulate the cables.
él/ella/usted
Common Mistakes
Mistake: Adding an accent to the 'i' (aíslara).
Correct: aislara
Why: In this tense, the stress is on the penult (la), so the 'i' remains part of the diphthong 'ai'.
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Related Tenses
Present
yo: aíslo
In the present tense, 'aislar' is mostly regular but adds an accent to the 'i' (aíslo, aíslas) in all forms except nosotros and vosotros.
Preterite
yo: aislé
The preterite of aislar is completely regular: aislé, aislaste, aisló, aislamos, aislasteis, aislaron.
Imperfect
yo: aislaba
The imperfect of aislar is regular: aislaba, aislabas, aislaba, aislábamos, aislabais, aislaban.
Future
yo: aislaré
The future of aislar is regular: aislaré, aislarás, aislará, aislaremos, aislaréis, aislarán.
Conditional
yo: aislaría
The conditional of aislar is regular: aislaría, aislarías, aislaría, aislaríamos, aislaríais, aislarían.
Present Subjunctive
yo: aísle
The present subjunctive follows the accent change of the present indicative: aísle, aísles, aísle, aislemos, aisléis, aíslen.
Affirmative Imperative
yo: aísla
The imperative uses the 'boot' accentuation: aísla (tú), aislad (vosotros), aísle (usted).
Negative Imperative
yo: no aísles
The negative imperative uses the present subjunctive forms: no aísles, no aisléis, no aísle.