estuvieron tronando
-they/you were thundering
Preterite progressive ellos/ellas/ustedes conjugation of tronar.

tronar

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4,500+ learners.
IMPERSONAL VERB
(weather)-to thunder
Synonyms for tronar
INTRANSITIVE VERB
(to explode)-to go off
Synonyms for tronar
TRANSITIVE VERB
(to not pass)-to fail
Synonyms for tronar
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