This is the 11867th most frequent Portuguese word.
prometeram
"Prometeram" means "they promised."
Here, 'prometeram' is used as the past tense of the verb 'prometer', meaning 'to promise', indicating that a group of people (they) made a commitment to do something (arrive early).
Eles prometeram chegar cedo para a reunião.
They promised to arrive early for the meeting.
In this sentence, 'prometeram' reflects a past commitment made by officials, suggesting a pledge or assurance regarding an improvement in services.
As autoridades prometeram melhorar o transporte público.
The authorities promised to improve public transportation.
Here, 'prometeram' illustrates an action taken by the students in the past, showing their resolve or intent to commit to studying more.