When Helen was only 1 year old, she had a terrible illness which left her unable to see or hear.(Помогите пожалуйста к этому предложению составить вопросы:общий,специальный,к подлежащему и разделительный)

Had Helen a terrible illness when she was only 1 year old?When Helen had a terrible illness?Who had a terrible illness when was only 1 year old?Helen was unable to see or hear, wasn`t she?