Did Susan have breakfast?
Who had breakfast?
What did Susan have?
Susan had breakfast, didn't she?
Did Dan write a postcard to his friend?
Who did Dan write a postcard to?
What did Dan write to his friend?
Who wrote a postcard to his friend?
Dan wrote a postcard, didn't he?
Did Alice buy some souvenir?
What did Alice buy?
Who bought some souvenir?
Alice bought some souvenir, didn't she?
How much souvenir did Alice buy?
Did Susan have breakfast?
Who had breakfast?
What did Susan have?
Susan had breakfast, didn't she?
Did Dan write a postcard to his friend?
Who did Dan write a postcard to?
What did Dan write to his friend?
Who wrote a postcard to his friend?
Dan wrote a postcard, didn't he?
Did Alice buy some souvenir?
What did Alice buy?
Who bought some souvenir?
Alice bought some souvenir, didn't she?
How much souvenir did Alice buy?