Make the sentences negative and interrogative.
His friends are still speaking over the telephone. Boris is repairing the record-player. He is leaving by the 8o'clock train. They are crossing the street. We were looking for him the day before yesterday. She was typing a letter at that moment. He was watching TV when I came home. I shall be waiting for you at the usual time. He will be lecturing at that time. It will be raining in a minute. She is talking to her old friend. Boys are playing football. We were having dinner when you rang me up. John was listening to the latest news at 7 o'clock in the evening. She was hurrying to the station at that moment. I shall be posting my letters tomorrow morning. They will be working hard in autumn. She will be coming to see us today.