Mike has just eaten hus lunch
1/ Has Mike just eaten his lunch? - общий
2/ Where has Mike eaten lunch?- специальный
3/ Mike has just eaten hus lunch, hasn't he? - разделительный
3/ Who has just eaten lunch? - специальный вопрос к подлежащему
4/ Has Mike or Nick just eaten his lunch? - альтернативный
Has Mike just eaten his lunch?
What has Mike just eaten?
Who just eaten lunch?
Whose lunch has Mike just eaten?
When has Mike eaten lunch?