1. I play the piano very well. - I don't play the piano very well.
2. Anna plays the piano very well. - Anna doesn't play the piano very well.
3. They know my phone number. - They don't know my phone number.
4. We work very hard. - We don't work very hard.
5. He has a bath every day. - He doesn't have a bath every day.
6. You do the same thing every day. - You don't do the same thing every day.