فِيهَا كُتُبٌ قَيِّمَةٌ ٣
Sentence structure
فِيهَا is the fronted predicate, كُتُبٌ the delayed nominative subject, and قَيِّمَةٌ its nominative adjective.
Ayah summary
These scriptures contain upright and sound teachings.
فِيهَا — in them
Grammar: A preposition with feminine-singular pronoun, functioning as fronted predicate.
كُتُبٌۭ — writings
Grammar: An indefinite plural nominative delayed subject.
قَيِّمَةٌۭ — upright
Grammar: A feminine singular nominative adjective of the non-human plural كُتُبٌ.