This document is an English activity worksheet from Agriculture High School in the Philippines. It focuses on practicing the past perfect tense. The activity provides the definition and examples of the past perfect tense, which is used to indicate the earlier of two past actions. Students are then asked to fill in blanks with the past perfect form of verbs to complete 15 sentences. They also must take 5 phrases and make them into complete sentences using the past perfect tense by adding something that happened before. The objective is to help students supply the correct form of the past perfect tense in sentences.