To talk about actions that happened repeatedly in the past
Yo (-ar)
-aba
Tu (-ar)
-abas
El/Ella (-ar)
-aba
Nosotros/as (-ar)
-ábamos
Ellos/as (-ar)
-aban
Yo (-er & -ir)
-ía
Tu (-er & -ir)
-ías
El/Ella (-er & -ir)
-ía
Nosotros/as (-er & -ir)
-íamos
Ellos/as (-er & -ir)
-ían