Answer:
yo fui
tú hiciste
nosotros estuvimos
él tuvo
ellos dijeron
Explanation:
The past perfect simple or past tense is formed based on the root of the verb (infinitive minus -ar, -er or -ir) and adding the following endings.
Verbs of the first conjugation (ending in -ar): -é, -aste, -ó, -amos, asteis, -aron
Verbs of the second and third conjugation (ending in -er or -ir): -í, -iste, -ió, -imos, -isteis, -ieron
