Creíais

"Creíais" is the second-person plural preterite indicative form of the verb "creer" in Spanish. This verb means "to believe" or "to think." The preterite tense is used to describe actions that were completed in the past. The second-person plural form indicates that the subject of the verb is "you" (plural). For example, "Creíais que él vendría" translates to "You believed that he would come." The verb "creer" is irregular in the preterite tense, with the stem "cre-" and the ending "-íais" for the second-person plural. This form is part of the broader conjugation of the verb "creer," which also includes other tenses and moods.