Сделайте предложения вопросительными и отрицательными
1.The people of Pine Clearing were proud of their school
2.My mother bought some vegetables for supper
3.They had a lot of problems with their son

1.The people of Pine Clearing did not be proud of their school Did the people of Pine Clearing be proud of their school?  2.My mother did not buy some vegetables for supper Did my mother buy some vegetables for supper?  3.They did not have a lot of problems with their son Did they have a lot of problems with their son?