Помогите задать общий, специальный, альтернативный, разделительный, вопрос к подлежащему, и сделать предложение отрицательным

As a rule personal belongings may be brought in duty-free.

As a rule personal belongings may be brought in duty-free. (может быть bought?)

Вопросы

1. May a personal belongings be brought in duty-free? - общий

2. As a rule personal belongings may be brought in duty-free, may not they? - разделительный 3. What may be brought in duty-free? - специальный

4. May personal belongings be brought in duty - free or a market? - альтернативный

Отрицание

As a rule personal belongings may not be brought in duty-free.

As a rule personal belongings may be brought in duty-free.

1. May a personal belongings be brought in duty-free?

2. What may be brought in duty-free?

3. May personal belongings be brought in duty - free or a supermarket?

4. As a rule personal belongings may be brought in duty-free, may not they?

As a rule personal belongings may not be brought in duty-free.