gustasteis
Gustasteis is a verb form in the Spanish language. Specifically, it is the second-person plural preterite indicative form of the verb gustar. The verb gustar generally translates to "to like" or "to be pleasing to." The preterite tense is used to describe completed actions in the past. Therefore, gustasteis refers to an action of liking or something being pleasing to a group of people addressed formally or informally depending on regional usage (ustedes or vosotros, respectively) that occurred and was completed in the past.
The structure of gustar is unique in that the grammatical subject is the thing being liked, and