Для предложений употребите future continuous руководствуясь моделью : i was working at 2 o'clock yesterday. i shall be working at 2 o'clock tonight. предложения следующие : 1)he is going to mr. white 2) i was staying at my friend's place all day long yesterday. 3) they were having supper at that time.
2. I shall staying at my friend's place all day long.
3. They will be having supper all the time.