1. Liz is playing the piano. She has been playing the piano for an hour.
2. The girls are waching a film. They had been waching it since at 2 o'clock.
3. Tom is studyng. He has been studying when he came at home.
4. Kate's learning Spanish. She has been started learning Spanish since in July.
5. It's almost midnight and my mother is still reading. She has been started that novel since at 8 o'clock.
