Переведите следующие предложения на русский язык, обращая внимание на употребление Past Perfect Continuous Tense: 1. John told Nick he had been waiting for him for half an hour. 2. They were very tired as they had been walking since early morning. 3. I

Read these sentences and translate them into Russian. Pay attention to the Past Perfect Continuous Tense.
1. John told Nick he had been waiting for him for half an hour. 2. They were very tired as they had been walking since early morning. 3. I wondered what he had been doing since I saw him last January. 4. She had been sitting for about half an hour when the doctor came in. 5. At that moment the young man who had been writing in his notebook got up and ran out of the room. 6. The Nelsons had been living in London for ten years before they left for New York. 7. George said he had been boating since four in the afternoon.