asegurarse Imperfect Subjunctive Conjugation

When to Use the Imperfect Subjunctive

This tense is for past situations that were hypothetical, unlikely, or contrary to fact. It's often used in 'if' clauses (like 'if I were you...') or after verbs expressing doubt, desire, or emotion in the past. For 'asegurarse', it's like saying 'if I were to make sure...' or 'I wished I had made sure...'.

Notes on asegurarse in the Imperfect Subjunctive

Asegurarse is regular in the imperfect subjunctive. You take the 'ellos/ellas/ustedes' preterite form (se aseguraron), drop the '-ron', and add the subjunctive endings (-ra, -ras, -ra, -ramos, -rais, -ran). So, 'se aseguraron' becomes 'se asegurara' (él/ella/usted) or 'se aseguraran' (ellos/ellas/ustedes).

Example Sentences

• Si me asegurara de que todo está bien, dormiría tranquilo.

  If I were to make sure everything is okay, I would sleep soundly.

  yo

• Ojalá te aseguraras de cerrar bien la ventana antes de la tormenta.

  I wish you had made sure to close the window properly before the storm.

  tú

• Ella actuaría diferente si se asegurara de tener la razón.

  She would act differently if she made sure she was right.

  él/ella/usted

• Nos pidieron que nos aseguráramos de que no hubiera ruido.

  They asked us to make sure there was no noise.

  nosotros

Common Mistakes

• Mistake: Confusing with the preterite: 'Si me aseguró...'

  Correct: Si me asegurara...

  Why: The imperfect subjunctive is used for hypotheticals in the past, while the preterite describes completed actions.

• Mistake: Using the wrong ending: 'Si me asegurase...'

  Correct: Si me asegurara... (or 'asegurase')

  Why: Both '-ra' and '-se' endings are correct for the imperfect subjunctive, but '-ra' is generally more common and preferred in many regions.

Related Tenses