This is the 6002nd most frequent Turkish word.
verilmişti
"Verilmişti" means "had been given" in English.
Here, 'verilmişti' is used in the past perfect tense to describe an action (giving the task) that occurred prior to another point in the past.
Görev ona çok önemli bir zamanda verilmişti.
The task had been given to him at a very important time.
In this sentence, 'verilmişti' describes the act of providing a pencil, emphasizing its occurrence as a prior condition for an action.
Sınavda kullanması için kalem önceden verilmişti.
The pencil had been given to use during the exam beforehand.
This use of 'verilmişti' indicates that an object (the book) was given in the past for a specific reason (as a reward).