1
He was listening to the concert on TV at 7,wasn't he? Разделительный
Was he listening to the concert on TV at 7? Общий
Who was listening to the concert on TV at 7? Вопрос к подлежащему
Was he listening to the concert on TV at 7 or at 8? Альтернативный
When was he listening to the concert? Специальный

2
We will soon see the Black Sea,won't we? Разделительный
Will we soon see the Black Sea? Общий
Will we see the Black Sea or the Red Sea? Альтернативный
What will we see? Специальный
Who will soon see the Black Sea? Вопрос к подлежащему

3
My mother was busy at an office,wasn't she? Разделительный
Was your mother busy at an office? Общий
Who was busy at an office? Вопрос к подлежащему
Where was your mother busy? Специальный
Was your mother or father busy at an office? Альтернативный

4
She is always glad to see her friends,isn't she? Разделительный
Is she always glad to see her friends? Общий
Who is glad to see her friends? Вопрос к подлежащему
Whom is she always glad to see?  Специальный
Is she always or sometimes glad to see her friends? Альтернативный