1. The document discusses using and forming verbs in the past perfect tense. It provides examples of using past perfect verbs in sentences describing events that happened before others in the past.
2. It also discusses Christmas celebrations and traditions, focusing on how the character Uncle Bert generously treated his niece and nephews during Christmas in the past.
3. The document aims to teach students to recognize and use the past perfect tense to discuss multiple past events, highlighting the character's past generosity during Christmas celebrations.