1. They have already prohibit it.
Общий вопрос: Have they already prohibit it?
Разделительный вопрос: They have already prohibit it, haven't they?
Альтернативный ответ: Have they or we already prohibit it?
Специальный вопрос: What have they already prohibit?
Вопрос к подлежащему: Who has already prohibit it?
2. Unfortunately, people pass away.
Общий вопрос: Do people pass away?
Разделительный вопрос: Unfortunately, people pass away, don't they?
Специальный вопрос: What do people do?
Вопрос к подлежащему: Who passes away?