Задайте 3 вопроса к предложению : When I came home my

1. When I came home my father had gone to work.
Had my father gone to work when I came home?
Who had gone to work when I came home?
Where had my father gone when I came home? 
Had my father or mother gone to work when I came home?
When I came home my father had gone to work, hadnt he?
2. My father had built a new home by August 2014.
Had my father built a new home by August 2014?
Who had built a new home by August 2014?
What had my father built by August 2014?
Had my father built a new home by August or September 2014?
My father had built a new home by August 2014, hadnt he?