After working with ER verbs, check out these IR verbs. You need to know how to conjugate them. Take the practice quiz. This time, report your score to Ms. Engle.
Hola clase.
Reminder of the preterite tense endings:
AR -take off the "ar" and add:
yo-é
tú-aste
él-ó
nosotros-amos
ellos-aron
ER/IR- take off the ending and add:
yo-í
tú-iste
él-ió
nosotros-imos
Uds.-ieron
http://www.linguasorb.com/learnspanish/ar-verbs-list/