1. What are you doing here? "I'm waiting for the tram." Have you been waiting for him for a long time? - Yes, I've been here 15 minutes, and no tram vay has yet appeared (to come along). 2. I wonder what Anna is doing now? -It looks at the morning post .-- How long has she been doing this? -It seems she works from 9 o'clock. She has already read all the telegrams and is now scanning the letters. 3. a) He has long started to learn English, b) He has been studying English for a long time. 4. a) Has your youngest son graduated from the institute long ago? b) His eldest daughter has been working for a long time?
5. I spent almost two hours searching for my textbook when you called and said that you had found my textbook in your briefcase. 6. None of these articles are currently used. We are all very busy, therefore all these materials are completely at your disposal. 7. When did Comrade Petrov raise this question for the first time? How long have you been considering it? 8. After the rooms were ordered, we went to inspect the city. 9. Lately, our scientists have made many important discoveries.
10. By the time we finally reached the forest, the rain stopped and the sun was shining again.
11. We watched the plane until it disappeared from sight.