Задайте 5 типов вопросов : He has been teaching children all his life.

Общий вопрос: Has he been teaching children all his life
Альтернативный вопрос: Has he been teaching children or adults all his life
Вопрос к подлежащему: Who has been teaching children all his life
Специальный вопрос: What has he been doing all his life
Разделительный вопрос: He has been teaching children all his life, hasnt he