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.
Theres a lot more to this little bear than meets the eye. He is most of the time more aware of the situation than Yogi.
As part of the Yogi Bear Show, Boo-Boo keeps Yogi, or at least tries to, out of trouble.