evolucionar Imperfect Conjugation

When to Use the Imperfect

Use the imperfect to describe ongoing or habitual actions of evolution in the past, or to set the background scene. It paints a picture of how things *used to* evolve or *were evolving*.

Notes on evolucionar in the Imperfect

Evolucionar is regular in the imperfect tense. The stem remains 'evolucion-' and the standard imperfect endings for -ar verbs are added.

Example Sentences

• Antes, las especies evolucionaban más lentamente.

  Before, species evolved more slowly.

  ellos/ellas/ustedes

• Yo evolucionaba mis teorías mientras estudiaba.

  I was evolving my theories while I studied.

  yo

• Tú evolucionabas muy rápido en esa época.

  You were evolving very quickly back then.

  tú

• Él evolucionaba de forma natural.

  He was evolving naturally.

  él/ella/usted

Common Mistakes

• Mistake: Using the imperfect for completed past actions.

  Correct: Use the preterite (e.g., 'evolucionó') for completed actions, and the imperfect ('evolucionaba') for ongoing or habitual past actions.

  Why: The imperfect describes the background or duration, while the preterite marks a specific event.

Related Tenses