This is a regular verb with a spelling change. It follows the conjugation pattern of the verb hablar.
Spelling Change: ge gue - gé gué
PresentPresente
La ley obliga a los conductores a usar el cinturón de seguridad.
The law requires drivers to wear a seat belt.
PreteritePretérito indefinido
Obligué a mi hermano a decir la verdad.
I forced my brother to tell the truth.
FutureFuturo
Nadie te obligará a ir.
Nobody will force you to go.