1. Mary's father doesn't have a red car "Ford". Does Mary's father have a red car "Ford"? Does Mary's father have a red or blue car "Ford"? Who has a red car "Ford"? What does Mary's father have? Mary's father has a red car "Ford", doesn't he? What car does Mary's father have? What is its colour? Whose father has a red car "Ford"?
2. The Whites cannot speak English. Can the Whites speak English? Can the Whites speak English or German? Who can speak English? What can the Whites do? What language can the Whites speak? The Whites can speak English, can't they?