Помогите с английским. 6 класс. Сразу дам лучшее решение.

1.I have been playing volleyball for two hours. 2. Eric has been playing the guitar for fourty years. 3.My sister has been living in Switzerland since 1997 . 4.We have been walking for two hours. 5.He has been sleeping since 23 o'clock 6.Veronica has been drinking a car for 8 years. 7.I have been studying classic music since 16 years.