Предложения:

1. I have been playing tennis the whole morning.
2. They have been learning German since September.
3. Helen has been living in Prague since 2012.
4. I have been waiting for you for two hours.
5. The children have been watching TV since morning.
6. We have been cleaning the house since morning.
7. Margaret has been staying in bed since yesterday.
8. He has been working for this company for 5 years.
9. Liza has been learning to ski for a week now.
10. She has been feeling sick since afternoon.

Вопросы:

1. How long have you been taking singing lessons?
2. How long have you been driving?
3. How long have you been studying English with your friends?
4. How long have you been standing here?
5. How long has she been working as a doctor?