cometió muchos errores

made many mistakes

→ cometer
phrase Rare #26,813
made many mistakes This is the third-person singular past-tense form of cometer muchos errores, meaning “to make many mistakes.” The phrase changes according to the subject and tense.
SP: Mi hermano cometió muchos errores en su primer trabajo.
EN: My brother made many mistakes in his first job.

Cometió muchos errores al escribir el informe.

He made many mistakes while writing the report.

Jack cometió muchos errores en su composición.

Jack made many mistakes in his composition.

Tom cometió muchos errores.

Tom made many mistakes.

Ella cometió muchos errores.

She made many mistakes.

— Contra la pared (2004)