preparabais

Preparabais is the second-person plural imperfect indicative form of the Spanish verb preparar, used with the pronoun vosotros. It expresses that you all were preparing something in the past, either as an ongoing action or as a habitual activity. In the imperfect, actions are described without a defined beginning or end.

Morphology and formation: The form is built from the infinitive preparar, removing the -ar and adding the imperfect endings for -ar verbs: -aba, -abas, -aba, -ábamos, -abais, -aban. Therefore vosotros gives preparabais.

Usage and regional variation: The form is characteristic of dialects that use the pronoun vosotros, primarily in Spain. In most Latin American varieties, where vosotros is uncommon, the corresponding past tense is expressed with ustedes (ustedes preparaban) or, less commonly, with ustedes preparaban; thus preparabais is less frequent outside contexts that preserve the vosotros form, such as regional speech, literature, or language instruction.

Examples: A typical sentence is: "Vosotros preparabais la cena cuando llegó el repartidor." Another: "Antes de la mudanza, preparabais siempre las maletas los domingos." These illustrate the imperfect aspect, indicating past, ongoing or habitual activity.

Etymology: Preparabais derives from the verb preparar, which in turn comes from Latin praeparare, meaning to set in advance or to prepare, through the historical development of Old and Modern Spanish.

See also: Spanish verb conjugation, imperfect indicative, vosotros pronoun, praeparare.

References: Grammar descriptions such as those by the Real Academia Española discuss the imperfect of -ar verbs and the vosotros forms.