Present Perfect Continuous Has he beenForm the negative and the interrogative.1. He has been working for hours. He hasad been working2. They have been studying since five o'clock.3. She has been learning English for two years.4. Maria has been playing the guitar all day5. I have been looking for my keys all day.6. His grandparents have been living in this house for forty years.7. Helen has been washing the car since two o'clock.8. The baby has been sleeping all morning.9. We have been working here for many years.10. It has been snowing for two hours.Fill in the gaps with Present Perfect Continuous.1. How long(you/live) in Athens?2. Vivi (not/learn) French for a long time.3. Vangelis(go) to the gym since April.4. How long(the children/play) computergames?5. My dad(drive) the same car for 25 years.6. Mum(read) her book all evening7. 1(study) for my exams since Christmas.8you /use) this computer for a long time?9. They...(learn) English for six years.​