1) He doesn't do his homework. 2) My friend doesn't play the piano. 3) We don't listen to music. 4) You don't make a lot of mistakes. 5) The farmer doesn't work in the field. 6) My brother doesn't have a bike. 7) He doesn't look at the pictures in the book. 8) The workman doesn't paint the house. 9) Richard and Benny don't swim in the river in summer. 10) John doesn't go to school by tram.