мне
1) What is the traditional music in your region?
2) What traditional instruments do people play?
3) What are the traditional dances?
4) Do you know a traditional song?

1) The traditional music in my region are  "Kalynka moya", "Vo pole berezen'ka stoyala" and etc.

2) The traditional instruments in my region are harmonic, balalaika and guitar.

3) The traditional dances are roundelay (хоровод), quadrille.

4) The traditional songs are Russian National Songs.

listen, ivan singing in the room.

he doesn't see that i look at it, as he reads something with a great interest.

call him now. i think that he doesn't sleep yet.

look at the person who sits at a window. he/she is our lawyer.

1) was, were

2) was

3) is

4) were

5) are

во всех позициях грамматически можно использовать и отрицательную форму.