Her parents were reading a magazine at 8 a.m., weren't they?
Her parents weren't reading a magazine at 8 a.m.
Were they reading a magazine at 8 a.m.?
Who was reading a magazine?
What were they reading at 8 a.m.?
What were they doing at 8 a.m.?
When were they reading a magazine?
Whose parents were reading a magazine at 8 a.m.?
