instalar Imperfect Subjunctive Conjugation
instalar — to install
The imperfect subjunctive of instalar is regular: instalara/instalase, instalaras/instalases, etc.
instalar Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use the imperfect subjunctive after past main clauses, in hypothetical 'if' clauses, or for polite requests. For 'instalar', think about wishing you could install something, or imagining a situation where you did.
Notes on instalar in the Imperfect Subjunctive
Instalar is a regular -ar verb, so its imperfect subjunctive forms are regular, using either the -ra or -se endings (e.g., instalara or instalase).
Example Sentences
Si instalara el programa, funcionaría mejor.
If I installed the program, it would work better.
yo
Me gustaría que tú instalaras la nueva versión.
I would like you to install the new version.
tú
El técnico dudaba que ella instalara el router correctamente.
The technician doubted that she was installing the router correctly.
Ojalá nosotros instaláramos más rápido.
Hopefully, we would install faster.
nosotros
Ellos habrían venido si les dejáramos instalar el equipo.
They would have come if we had let them install the equipment.
Common Mistakes
Mistake: Using the preterite or imperfect indicative instead of the imperfect subjunctive.
Correct: Use 'instalara' or 'instalase' in hypothetical or dependent clauses, not 'instaló' or 'instalaba'.
Why: The imperfect subjunctive expresses unreality, doubt, or past conditions, which the indicative cannot do.
Mistake: Confusing the -ra and -se forms.
Correct: Both 'instalara' and 'instalase' are correct imperfect subjunctive forms; they are interchangeable.
Why: Spanish has two sets of endings for the imperfect subjunctive, both equally valid.
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Related Tenses
Present
yo: instalo
The present of instalar is regular: instalo, instalas, instala, instalamos, instaláis, instalan.
Preterite
yo: instalé
The preterite of instalar is regular: instalé, instalaste, instaló, instalamos, instalasteis, instalaron.
Imperfect
yo: instalaba
The imperfect of instalar is regular: instalaba, instalabas, instalaba, instalábamos, instalabais, instalaban.
Future
yo: instalaré
The future of instalar is regular: instalaré, instalarás, instalará, instalaremos, instalaréis, instalarán.
Conditional
yo: instalaría
The conditional of instalar is regular: instalaría, instalarías, instalaría, instalaríamos, instalaríais, instalarían.
Present Subjunctive
yo: instale
The present subjunctive of instalar is regular: instale, instales, instalemos, instaléis, instalen.
Affirmative Imperative
yo: instala
The imperative of instalar is regular: instala, instale, instalemos, instalad, instalen.
Negative Imperative
yo: no instales
The negative imperative of instalar uses the present subjunctive: no instales, no instale, no instalemos, no instaléis, no instalen.