Ser/Preterite Vs. ImperfectOnline version practice common Spanish verbs in their preterite and imperfect forms by Dana Pierre 1 Grupo 1 2 Grupo 2 3 Grupo 3 4 Grupo 4 5 Grupo 5 6 Grupo 6 7 Grupo 7 8 Grupo 8 9 Grupo 9 10 Grupo 10 yo fui Ser- preterite "I" tense tú fuiste Ser- preterite "you" tense usted fue Ser- preterite 3rd person singular tense nosotros fuimos Ser- preterite "we" tense ustedes fueron Ser- preterite 3rd person plural tense yo era Ser- imperfect "I" tense tú eras Ser-imperfect "you" tense usted era Ser- imperfect 3rd person singular tense nosotros éramos Ser- imperfect "we" tense ustedes eran Ser- imperfect 3rd person plural tense