-ar verb irregular · stem-changing-o-ue Advanced

esforzar — Preterite (Pretérito)

to make an effort

The preterite conjugation of esforzar (irregular stem-changing-o-ue, ranked #600). Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.

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Pronoun Preterite conjugation
yo esforcé *
esforzaste
él/ella/Ud. esforzó
nosotros esforzamos
vosotros esforzasteis
ellos/ellas/Uds. esforzaron

* Red forms deviate from the regular -ar preterite pattern.

Example sentence

Se esforzaron mucho para terminar el proyecto a tiempo.

They made a great effort to finish the project on time.

Other tenses of esforzar

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Related verbs

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