What is the ruling on and method for making up missed prayers for a period of ten years, and what is the ruling on performing supererogatory prayers while obligatory make-ups are pending, and will a person be held accountable for not completing the make-up prayers if they die and were unable to do so despite having the intention?

Much of the children's negligence in prayer is due to the parents' negligence in their upbringing. What has been missed of prayers after puberty must be made up immediately, and it is not enough to make up for one day's prayers in a day; rather, more than that must be made up if possible. Qiyaam (voluntary night prayers like Witr and Taraweeh) should not be abandoned; rather, it is legislated to pray them.