vigilasteis
Vigilasteis is a verb form in the Spanish language. It is the second-person plural preterite indicative of the verb "vigilar," which means "to watch" or "to guard." This tense and person combination specifically refers to an action that was completed in the past by a group of people being addressed directly as "you all." For example, if someone were speaking to a group and recounting a past event where they were all responsible for keeping watch, they might say "Vosotros vigilasteis la casa toda la noche" which translates to "You all watched the house all night." The preterite tense is used for actions that have a definite beginning and end in the past. The "-eis" ending is characteristic of the second-person plural in the preterite indicative for verbs ending in "-ar," such as "vigilar." This form is primarily used in Spain; in many Latin American countries, the "vosotros" form is replaced by "ustedes," and the corresponding verb form would be "vigilaron."