1) Nick is riding a bike now.
2) You are not doing your homework.
3) She is reading a book at this moment.
4) What are you doing now?
5) Are Mikel and Helen playing computer games?
6) We are writing on the blackbord.
7) I am listening to the teacher.
8) Where is Jack walking with the dog?
9) Freddie is not eating his lunch.
10) Is she sleeping now?