Общий
1) Will his parents come back soon?
2) Will we be playing tennis at 3 o'clock tomorrow?
специальный
1) When will his parents come back?
2) What game will we be playing at 3 o'clock tomorrow?
альтернативный
1) Will his parents or his grandparents come back
soon?
2) Will we be playing tennis or basketball at 3
o'clock tomorrow?
разделительный
1) His parents will come back soon, won't they?
2) We will be playing tennis at 3 o'clock tomorrow,
won't he?
вопрос к подлежащему
1) Who will come back soon?
2) Who will be playing tennis at 3 o'clock tomorrow?