Задать по каждому предложению по 5 вопросов. 1 - общий, 2 - специальный, 3 - альтернативный, 4 - разделительный, 5- вопрос к подлежащему. 3. they had passed they exam success fully. 4. ann had been sunbathing since early morning.

общий:
3. Had they passed their exam successfully?
4. Had Ann been sunbathing since early morning?

специальный:
3. How had they passed their exam?
4. How long had Ann been sunbathing?

альтернативный:
3. Had they passed or failed their exam?
4. Had Ann been sunbathing or walking since early morning?

разделительный:
3. They had passed their exam successfully, hadn't they?
4. Ann had been sunbathing since early morning, hadn't she?

вопрос к подлежащему:
3. Who had passed they exam success fully.
4. Who had been sunbathing since early morning.