الْمُعَلِّمُونَ كُرِّمُوا — The teachers were honored.
الْمُعَلِّمُونَ: nominative topic, with wāw marking sound masculine plural.
كُرِّمُوا: past passive; the attached plural wāw pronoun is the passive subject, and the verb phrase is the predicate.
Contrast: كُرِّمَ الْمُعَلِّمُونَ has a singular verb before an overt plural passive subject.