The "yo" form of -CAR verbs in the preterite are conjugated with
What is "qu?" (ex: yo toqué)
Ser
What is "Yo fui?"
Estar
What is "Tu estuviste?"
Ser/Ir
What is "Usted fue?"
Querer
What is "Nostros quisimos?"
The "yo" form of -GAR verbs in the preterite are conjugated with
What is "gu?" (ex: pagué)
Ir
What is "Yo fui?"
What is "Tu pudiste?"
Venir
What is "Usted vino?"
Venir
The "yo" form of -ZAR verbs in the preterite are conjugated with
What is "c?" (ex: almorcé)
Ver
What is "Yo vi?"
Decir
What is "Tu dijiste?"
Traer
What is "Usted trajo?"
Estar
What is "Nosotros estuvimos?"
Yo (llegar)
What is "llegué?"
Tener
What is "Yo tuve?"
Querer
What is "Tu quisiste?"
Tener
What is "Usted tuvo?"
Conducir
What is "Nosotros condujimos?"
Yo (empezar)
What is "empecé?"
Conducir
What is "Yo conduje?"
Dar
What is "Tu diste?"
Hacer
What is "Usted hizo?"
Poder
What is "Nosotros pudimos?"