Irregular Preterite or Imperfect
I was - preterite
yo fui
he closed
cerró
I paid
pagué
I wanted.
quería
the action that interrupts
preterite
I was - imperfect
yo era
he preferred
prefirió
he had
tuvo
I succeeded
pude
anoche, una vez, ayer
preterite
we were going
íbamos
I said, told
dije
I lunched
almorcé
I received
tuve
happened over time
imperfect
he used to make
él hacía
she produced
produjo
we were (condition)
estuvimos
I used to have
tenía
repeated, regularly occurring
imperfect
we were or went
fuimos
write the sentence
They went (once) and tried one time.
Fueron y trajeron una vez.
I found out that you refused the Chupa.
Supe que no quiso la chupa.
I used to know math and then I found out my mistake.
Sabía la mate y supe mi error.
I was sleeping when the phone rang.
Dormía cuando el teléfono sonó.