1. They asked for our address, didn't they?
2. Did they ask for our address?
3. Who asked for our address?
4. Whose address did they ask for?
5. Did they ask for our or their address?
1. She looks after the patients well, doesn't she?
2. Does she look after the patients well?
3. Who does she look after well?
4. How does she look after the patients?
5. Does she look after the patients or children well?