[Я] [повернул] [назад] и [пошёл] [куда] [глаза] [глядят]

Subject: Я (I)
Predicate: повернул (turned)
Adverbial modifier of direction: назад (back)
Conjunction: и (and)
Predicate: пошёл (went)
Adverbial modifier of direction: куда (where)
Adverbial modifier of manner: глаза глядят (eyes look)