Поставьте все типы вопросов к предложению и сделайте его отрицательным. in my childhood i often helped my mother

In my childhood I didn't often help my mother
1. Did I often help my mother in my childhood?
2. When did I often help my mother?
3. Did I often help my mother or my father in my childhood?
4. I often helped my mother in my childhood, didn't I?
5. Who helped my mother in his ( her ) childhood?