1. My brother and sister are listening to Rihanna at the moment.2 . We don't play cricket today because it's too windy. 3. He goes to a martial arts course every day. 4. My dad is always in the garden on Sunday. 5. I help Mum with the housework every weekend. 6. Be quiet, the baby is sleeping. 7. I am swimming in the pool at the moment. 8. I am studying Chinese these days. 9. My sister and Jane are studying maths at the moment. 10. I don't want to miss the train. Come on! Be quick! 11. She usually goes for a walk after dinner, but she is watching TV tonight. 12. We have not worked really hard this month.
Объяснение:
1. When I was looking out of the window, I saw John.
2. Have you ever played the piano since you left school?
3. I haven't seen him for two days.
4. When he was trying to open the door, he dropped his key.
5. They have been living in this house since 1987.
6. My father was washing his car while my mother and I were preparing dinner.
7. Did you meet her yesterday?
8. Mary has been in London for three days.
9. The headmaster entered the classroom when they were writing their exams.
10. He bought a new car last week.
11. I think that they will arrive tomorrow morning.
12. Last Wednesday they played chess after they had done their homework.
2) didn’t have to - эквивалент must в времени
3) are to - мод. глагол to be to
4) had to - эквивалент must в времени
5) was allowed to - эквивалент can в времени