2. 1. are taking the bus to school, we aren't walking
2. aren't having fun, they are working on a project
3. am trying to finish my homework, I am not taking a break
4. are playing computer games, we aren't listening to music
5. isn't have lunch, she is helping her dad
3. 1. is trying
2. is sitting
3. is it crying
4 is getting
5. is trying
6. is running
7. isn't sitting
8. are laughing
9.are laughing