1.I will not (won't) be waiting for you at 7 o'clock in the evening.Shall(will) I be waiting for you at 7 o'clock in the evening?
2.They will not(won't) be having dinner when you come to see them.Will they be having dinner when you come to see them?
3.We shall not(shan't,won't) be discussing this question at this time the day after tomorrow. Shall(will) we be discussing this question at this time the day after tomorrow?
4.We shall not(shan't,won't) be preparing for departure at three o'clock tomorrow.Shall (will) be preparing for departure at three o'clock tomorrow?
5.They won't(will not) be receiving their friends at this time tomorrow.Will they be receiving their friends at this time tomorrow?