Convencisteis

Convencisteis is the second-person plural preterite form of the Spanish verb convencer, meaning to persuade or to win over. It is used to describe a past action in which a group addressed as vosotros was persuaded or made to believe something.

Conjugation and usage: In the simple past tense for vosotros, the form is convencisteis. The full paradigm for convencer in the preterite is: yo convencí, tú convenciste, él/ella/usted convenció, nosotros convencimos, vosotros convencisteis, ellos/ellas/ustedes convencieron. This form is standard in Spain and other regions that use the vosostros pronoun. The corresponding form for Latin American speech that does not use vosotros is ustedes convencieron.

Regional variation: In most of Latin America, where vosotros is uncommon, the past tense is expressed with ustedes and the form convencieron (third person plural) rather than the vosotros form. Both convey the idea “you all convinced,” but the vosotros form is characteristic of Spain.

Etymology and usage notes: Convencer derives from Latin con- + vincere, meaning to overcome or win over. In Spanish, convencer is used with a direct object referring to the person or audience being persuaded, often followed by de + clause to indicate what was persuaded (convencer a alguien de algo).

Example usage: Vosotros convencisteis al comité de la viabilidad del proyecto. En España, se dice: “Convencisteis a la audiencia de los beneficios.” In Latin America, equivalently, se diría “Ustedes convencieron al comité.”