Has mother already prepared dinner? - общий
What has mother already prepared? - специальный
Mother has already prepared dinner, hasn’t she? - разделительный
Has mother already prepared dinner or lunch? - альтернативный
Who has already prepared dinner? - вопрос к подлежащему
Объяснение:
Has mother already prepared dinner? - общий
What has mother already prepared? - специальный
Mother has already prepared dinner, hasn’t she? - разделительный
Has mother already prepared dinner or lunch? - альтернативный
Who has already prepared dinner? - вопрос к подлежащему
Объяснение: