How To Conjugate In The Preterit
Ar Er Ir
AR
In order to conjugate for an ar verb you must know the table before you can conjugate it:
é
aste
ó
amos
asteis
aron
You would take the verb, drop the ending and replace the ending according to the person you will use it for:
Hablar = Habl
Yo = Hablé
Tú = Hablaste
El/Ella/Ud. = Habló
Nosotros = Hablamos
Vosotros = Hablasteis
Ellos/Ellas/Uds. = Hablaron
Er/Ir
In order to conjugate for an er and ir verb you must know the table before you can conjugate it:
í
iste
ió
imos
isteis
ieron
You would take the verb, drop the ending and replace the ending according to the person you will use it for:
Comer= Com
Yo = Comí
Tú = Comiste
El/Ella/Ud. = Comió
Nosotros = Comimos
Vosotros = Comisteis
Ellos/Ellas/Uds. = Comieron
Yo Problems
There are some verbs that have the yo endings spelled differently because the sounds they make need to match how they spell:
Car = Qué
Gar = Gué
Zar = Cé