Ответ:
1) I don't play the piano very well.
2) They don't spend a lot of money.
3) The children aren't in the garden.
4) She doesn't speak fluent English.
5) The train doesn't leave at nine o'clock.
6) We don't work six days a week.
7) Mr. Brook's son doesn't want to go to college.
8) You don't like a happy man.
9) He doesn't know the way.
10) I don't drive to the office every morning.
11) It doesn't snow much this winter.