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

tronar — Imperfect (Imperfecto)

to thunder

The imperfect conjugation of tronar (irregular stem-changing-o-ue, ranked #586). Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.

Drill the imperfect tense with spaced repetition Practice tronar and 965 other verbs in the Conjugado app — free to try.
Practice for free ↗
Pronoun Imperfect conjugation
yo tronaba
tronabas
él/ella/Ud. tronaba
nosotros tronábamos
vosotros tronabais
ellos/ellas/Uds. tronaban

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

Example sentence

Antes yo tronaba con frecuencia.

Before, I used to thunder often.

Other tenses of tronar

See full conjugation table for tronar →

Related verbs

See all 1,316 verbs in the imperfect tense

Browse Imperfect tense →