The past perfect tense can be used to describe an action that began in the past -- that preceded another past action.
The past perfect is formed by using the past form of the verb have, that is, had,with the past participle of the main verb:
Form of verb Have
(a less distant time in the past)
|about war-torn areas
|before I came to Dili.
Instructions: in this exercise, put the verb in parentheses in the correct form of the past perfect tense.
Example: (hear) I had heard about war-torn areas before I came to Dili.
Click for further explantion of Grammar
Click for practice with past perfect