Ser/Ir
I went/was
Yo fui
I did
Yo hice
I was
Yo estuve
I could
Yo pude
Yesterday
Ayer
You went/were
Tú fuiste
You did
Tú hiciste
You were
Tú estuviste
You could
Tú pudiste
Ago
Hace
He went/was
She did
Ella hizo
You (formal) were
Usted estuvo
He could
Last
pasado/pasada
We went/were
Nosotros fuimos
We did
Nosotros hicimos
We were
Nosotros estuvimos
We could
Nosotros pudimos
Day before yesterday
anteayer/ antes de ayer
They went/ were
Ellos fueron
You all did
Ustedes hicieron
They were
Ellos estuvieron
They could
Ellos pudieron
Yesterday, I went to the mall.
Ayer, fui al centro comercial.