Помогите пожайлуста выполнить задание по английскому языку

1. I have been playing volleyball for 2 hours. 2. He has been playing the guitar for 40 years. 3. My sister has been living in Switzerland since 1997. 4. We have been walking for 3 hours. 5. I have been sleeping since 11p.m. 6. Veronica has been driving a car for 8 years.