Помогите пожалуйста! Модели предложений! Так как написано в тетради! Present Simple Tense!

1. My pen friend doen't write to me very often.
2. Does my pen friend write to me very often?
3. Who writes to me very often?
4. Does my pen friend write to me often or rare?
5. My pen friend writes to me very often, doesn't he?