This is a regular verb. It follows the conjugation pattern of the verb comer.
PresentPresente
Todos cometemos errores.
We all make mistakes.
PreteritePretérito indefinido
El delantero cometió una falta en el área.
The forward committed a foul in the penalty area.
Present SubjunctivePresente de subjuntivo
Espero que nadie cometa un delito durante la marcha.
I hope no one commits a crime during the march.