-ar verb irregular · stem-change o>ue Advanced

reforzar — Preterite (Pretérito)

to reinforce, to strengthen

The preterite conjugation of reforzar (irregular stem-change o>ue, ranked #2341). Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.

Drill the preterite tense with spaced repetition Practice reforzar and 965 other verbs in the Conjugado app — free to try.
Practice for free ↗
Pronoun Preterite conjugation
yo reforcé *
reforzaste
él/ella/Ud. reforzó
nosotros reforzamos
vosotros reforzasteis
ellos/ellas/Uds. reforzaron

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

Example sentence

Reforzaron la seguridad del aeropuerto.

They reinforced the airport security.

Other tenses of reforzar

See full conjugation table for reforzar →

Related verbs

See all 1,316 verbs in the preterite tense

Browse Preterite tense →