1 My hands are dirty. I've been painting the walls.2 Why are you so wet? Have you been running?3 We've been learnting English since we went to school.4 She has been working at this project since Monday.5 Where have you been? I've been waiting for you for two hours.6 You are so cold, sonny. You have been swimming too long.7 Mum has been cooking a pie since morning.