Поставьте предложения в вопросительную и отрицательную формы: 1 the boy was listening to the radio. 2 the children learnt german last year. 3 peter will har finished work by 18

 1.The boy was listening to the radio. The boy wasn't listening to the radio. Was the boy listening to the radio? 2 The children learnt German last year.The children didn't learn German last year. Did the children learn German last year? 3 Peter will have finished work by 18. Peter won't have finished work by 18. Will Peter have finished work by 18?