Ответы
I started taking classes in September and I'll take them until May. In October, I've been taking lessons for a month now. By November 1, I had taken twenty lessons. It's December, so I've been taking lessons for four months now. I learned my fortieth lesson today. On February 1st, at this time, I will be taking the fiftieth lesson. I will take the fiftieth lesson on the first of February. By the end of April, I will be taking lessons for eight months. By then, I will have taken eighty lessons.
3. Hello, Katya! Are you back from your business trip yet? When did you come back? - Yesterday.
4. Have you seen the movie "Highlander" yet? - Yes. - Have you seen any new movies since the last time I saw you? - No. - And I often go to the movies and even this week I saw two films. Yesterday, when I went to the movies, my friends had been waiting for me there for 20 minutes.
5. When we arrived in the village, my parents have lived there for a week. Every day we got up very early and worked from 8am to 6pm.
6. She came to our town three years ago. By then she had already graduated from school.
7. When I got home, my parents were watching TV, and my sister went to the movies.
8. When he walked into the room, he found he'd left his umbrella on the bus. He was nervous because the umbrella was his brother's.
9. When I came to the theatre, I discovered that the performance had already started and that the actors had been playing on stage for half an hour.
10. He had been working at the factory for several years when his younger brother came to visit him. He said that their father had been ill for several months.