Ответ:

Общий:Will Mr Brown go to Greece on business next week?

Специальный:When will Mr Brown go to Greece on business?

Разделительный:Mr Brown will go to Greece on business next week, won't he?

Альтернативный:Will Mr Brown go to Greece on business next week or next month?

Вопрос к подлежащему:Who will go to Greece on business next week?