Complex sentence: Before Alison disappeared, Aria is shown to be in 7th grade and to have a quirky personality and a penchant for knitting, best friends with Alison along with Hanna Marin, Spencer Hastings and Emily Fields.
Split into simpler sentences: Before Alison disappeared, Aria is shown to be in 7th grade and to have a quirky personality and a penchant for knitting. She is best friends with Alison DiLaurentis along with Hanna Marin, Spencer Hastings, and Emily Fields.