ACTIVE:
SUBJECT + VERB
+ OBJECT
THE POLICE ARRESTED THE THIEF
PASSIVE:
OBJECT + VERB (passive)
+ SUBJECT
THE THIEF WAS ARRESTED BY
THE POLICE
EL CAMBIO EN EL VERBO:
TO BE EN EL TIEMPO VERBAL DEL VERBO
PRINCIPAL EN LA ACTIVA
+
EL VERBO
PRINCIPAL EN PARTICIPIO