This document appears to be a lesson on the past perfect tense from a student named Heni Purnamasari. It includes sections on the functions of the past perfect tense, examples of its use, and a short multiple choice test with questions about events that occurred before others in the past. The document provides instruction on the past perfect tense, some examples of its usage, and a 5 question test for the student to practice identifying the past perfect in sentences describing sequenced past events.