1- I don't think I'm ill. (или, но хуже - I think I am not ill.) - Am I ill?
2- They don't often visit their granny. - Do they often visit their granny?
3- We don't live in Leads. - Do you live in Leads?
4- You don't usually speak too quickly. - Do you usually speak too quickly?
5- She doesn't like boiled potatoes. - Does she like boiled potatoes?
6- Good animals don't always obey their masters. - Do good animals always obey their masters?
7- The boys don't box in the gymnasium on Fridays. - Do the boys box in the gymnasium on Fridays?
8- His dogs don't always attack the neighbours. - Do his dogs always attack the neighbours?
9- Heavy trucks don't make a lot of noise. - Do heavy trucks make a lot of noise?