Задайте вопрос и минус к предложению- 1.songs are sung in music classes. 2.cars are sold in special shops 3.football is played all over the world

1)Are songs sung in music classes?
Songs aren't sung in music classes.
2)Are cars sold in special shops?
Cars aren't sold in specials shops.
3)Is football played all over the world!
Football isn't played all over the world.