Make the sentences negative and interrogative. His friends are still speaking

Are his friends still speaking over the telephone? His friends arent still speaking over the telephone.
Is Boris repairing the record-player? Boris isnt repairing the record-player.
Is he leaving by the 8 oclock train? He isnt leaving by the 8 oclock train.
Are they crossing the street? They arent crossing the street.
Were we looking for him the day before yesterday? We werent looking for him the day before yesterday.
Was she typing a letter at that moment? She wasnt typing a letter at that moment.
Was he watching TV when I came home? He wasnt watching TV when I came home.
Shall I be waiting for you at the usual time? I shall not be waiting for you at the usual time.
Will he be lecturing at that time? He wont be lecturing at that time.
Will it be raining in a minute? It wont be raining in a minute.
Is she talking to her old friend? She isnt talking to her old friend.
Are boys playing football? Boys arent playing football.
Were we having dinner when you rang me up? We werent having dinner when you rang me up.
Was John listening to the latest news at 7 oclock in the evening? John wasnt listening to the latest news at 7 oclock in the evening.
Was she hurrying to the station at that moment? She wasnt hurrying to the station at that moment.
Shall I be posting my letters tomorrow morning? I shall not be posting my letters tomorrow morning.
Will they be working hard in autumn? They wont be working hard in autumn.
Will she be coming to see us today? She wont be coming to see us today.