Ex.2
1. Daria and Patrycja are watching TV.
2. We are sitting on a bench in the park.
3. Jakub is waiting for the bus.
4. I am playing the piano at the moment.
5. You are talking to the teacher.
6. Wojciech is lying on the grass.
7. They are doing their homework now.
8. Paulina is having coffee with friends.
Ex.3
1. Daria and Patrycja aren't watching TV.
2. We aren't sitting on a bench in the park.
3. Jakub isn't waiting for the bus.
4. I'm not playing the piano at the moment.
5. You aren't talking to the teacher.
6. Wojciech isn't lying on the grass.
7. They aren't doing their homework now.
8. Paulina isn't having coffee with friends.