Final answer:
In the Harry Potter series, while making up fake dreams for his Divination homework, Harry said he had done several things to Snape, such as being friends and discussing the Dark Arts on a tropical island.
Step-by-step explanation:
In the Harry Potter series, while making up fake dreams for his Divination homework, Harry said he had done several things to Snape. One of the fake dreams he described was that he and Snape were friends, and Snape was teaching him Potions. In another dream, Harry claimed that he and Snape were on a tropical island, drinking iced pumpkin juice and discussing the Dark Arts. These fake dreams were meant to fulfill his Divination assignment.