Help i am so depressed what can i do?

well for starters i was took away from my mama a yr ago. i stayed with my dad than, well **** happened i moved in with my gran now she in nursing home, cant live wit dad mom act like she dont want me to live wit her i live with my other grandparents n have to stay at home bymyself, my boyfriend comes see me thursday n i stay weekends wit him.. wat do i do all i been doin is cryin! please help give ideas on how to keep my mind off things