1. In back of means located behind.
Pattern 1: noun + in back of + noun
There is a beautiful tree in back of our house.
Pattern 2: verb + in back of + noun
Your sister sits in back of me in class.
Tips to get ready for Summer
Try a Conditioning Treatment
Matt Fugate, a senior stylist at NYCs Sally Hershberger Downtown Salon, says that the first step to summer-ready hair is to pamper your strands with a deep, in-salon conditioning treatment. This will prevent color-fading and breakage from sun and chlorine damage.