Yeah past participle but its also past tense
like: (IK ITS A WEIRD SENTENCE XD)
my brother crushed the ant
active (its past here)
the ant was crushed
passive (its p.p here)
not sure if this is the same lesson u r asking about...
Maybe to show that he is not the author but the character itself writing something important
Answer:
Millicent values her friendship with Tracy
Explanation:
Oh ok! The theme of this is to not take your friends for granted.