Нужно сделать текст отрицательным. classes start at nine and finish at half past twelve.john has lunch in the students' club at a quarter to one and then he goes to the library to study for an hour.john loves to keep fit, so he meets his friends at the sports centre to play tennis at three o'clock. если можно !

Classes don’t start at nine and don’t finish at half past twelve.John doesn’t have lunch in the students' club at a quarter to one and then he doesn’t go to the library to study for an hour.John doesn’t love to keep fit, so he doesn’t meet his friends at the sports centre to play tennis at three o'clock.