1) Is your teacher writing on the board now? No, she isn't.
2) What is she doing? She is writing now.
3) Is your patner writing in her notebook? Yes, she is.
4) What are your classmates doing now? They are playing now.
5) What is the game children playing at the playground now?I think that they are plaing in hide and seek.
6) Are you listening to your teacher? Yes, I am.
7) Are you answering the question correctly. Yes, I am.