Spanish Past Tense

Preterite and Imperfect

Regular AR Preterite Endings

é, aste, ó, amos, aron

Regular ER/IR Preterite Endings

í, iste, ió, imos, ieron

Preterite stem change E-? and O-? and in what form?

E-I, O-U, 3rd person

I-Y in 3rd person of what words?

caer, creer, leer, oir; accent on i in all other forms

UIR changes?

I-Y in 3rd person

Preterite Stem Changers

anduv, estuv, pud, pus, sup, tuv, hic, quis, vin, conduj, dij, traj

Preterite Ser

fui, fuiste, fue, fuimos, fueron

Preterite Dar

di, diste, dio, dimos, dieron

Preterite Ver

vi, viste, vio, vimos, vieron

Preterite Hay

hubo

Imperfect AR

aba, abas, aba, ábamos, aban

Imperfect ER/IR

ía, ías, ía, íamos, ían

Imperfect IR

iba, ibas, iba, íbamos, iban

Imperfect Ser

era, eras, era, éramos, eran

Imperfect Ver

veía, veías, veía, veíamos, veían

Imperfect Haber

había