.помогите задать типы вопросов: общий, альтернативный, разделительный, два специальных: а) к подлежащему, б) к любому члену предложения

Maxwell wrote his first scientific work when he was fifteen

Общий: Did Maxwell write his first scientific work when he was fifteen?
Альтернативный: Did Maxwell write his first scientific work when he was fifteen or twenty?
Разделительный: Maxwell wrote his first scientific work when he was fifteen, didn't he?
К подлежащему: Who wrote his first scientific work when he was fifteen?
к любому члену предложения: What did Maxwell write when he was fifteen?