[Gardens of perpetual residence, which they will enter.]
Muhammad said: (Gardens of perpetual residence) is in the nominative case due to an implied (pronoun: 'they are').
﴿جنَّات عدن يدْخلُونَهَا﴾.
قَالَ محمدٌ: (جنَّات عدنٍ) مرفوعةٌ بإضمار (هِيَ).
