Spanish verbs ser y estar (preterite and imperfect)

Ser - el preterito - aciones completas - permanente

To be - preterite - completed actions - permanent

yo fui

I was

tú fuiste

you were (informal)

él/ella fue

He/she was

usted fue

you were (formal)

nosotros fuimos

we were

vosotros fuisteis

you all were (Spain)

ellos/ellas fueron

they were

ustedes fueron

you all were

Ser - el imperfecto - acciones repetidas

To be - imperfect - repeated/ongoing actions

yo era

I used to be/ i was

tú eras

you used to be (informal)

él/ella era

he/she used to be

usted era

you used to be (formal)

nosotros éramos

we used to be

vosotros erais

you all used to be (Spain)

ellos/ellas eran

they used to be

ustedes eran

you all used to be

Estar - el preterito - acciones completas - temporarioa

To be - preterite - completed actions - temporary

yo estuve

i was

tú estuviste

you were (informal)

él/ella estuvo

he/she was

usted estuvo

you were (formal)

nosotros estuvimos

we were

vosotros estuvisteis

you all were (Spain)

ellos/ellas estuvieron

they were

ustedes estuvieron

you all were

Estar - el imperfecto - acciones repetidas

To be - imperfect - repeated/ongoing actions

yo estaba

i was/i used to be

tú estabas

you were (informal)

él/ella estaba

he/she was

usted estaba

you were (formal)

nosotros estábamos

we were

vosotros estabais

you all were (Spain)

ellos/ellas estaban

they were

ustedes estaban

you all were