3)everybody is waiting
4)Are you listening
5)Do you listen
6)flows
7)is flowing
8)We usually grow, we aren't growing
9)it is improving
10)She is staying.She always stays
11)I am starting
12)I learn. is teaching
13)I finish, I am working
14)live. Where do your parents live?
15)is looking. is staying
16)What does your brother do?
he is not working
17)I usually enjoy, I am not enjoying