إِلَّا ٱلَّذِينَ ءَامَنُوا۟ وَعَمِلُوا۟ ٱلصَّـٰلِحَـٰتِ لَهُمْ أَجْرٌ غَيْرُ مَمْنُونٍۭ
Sentence structure
إِلَّا ٱلَّذِينَ has connected-exception and disconnected/topic analyses, so no single role is imposed. ءَامَنُوا۟ and وَعَمِلُوا۟ form the relative clause; ٱلصَّـٰلِحَـٰتِ is the object. In the topic analysis لَهُمْ is the fronted predicate and أَجْرٌ the delayed topic; غَيْرُ مَمْنُونٍ describes it.
Ayah summary
Those who believe and do righteous deeds will have a reward that never ends.
إِلَّا — Except
Grammar: An exception particle. The following relative pronoun has accepted connected-exception and disconnected/topic analyses.
ٱلَّذِينَ — those who
Grammar: A masculine-plural relative pronoun: accusative as an exception in one analysis, or nominative as a topic in the disconnected analysis; its relative clause follows.
ءَامَنُوا۟ — believe
Grammar: A Form IV third-person masculine-plural perfect forming the relative clause. Attached و is the subject and the final alif is orthographic.
وَعَمِلُوا۟ — and do
Grammar: وَ coordinates; عَمِلُوا۟ is a third-person masculine-plural perfect. Attached و is the subject and the final alif is orthographic.
ٱلصَّـٰلِحَـٰتِ — righteous deeds
Grammar: ٱل is the definite article; صَّـٰلِحَـٰتِ is the accusative object of عَمِلُوا۟, marked by kasra as a sound feminine plural.
لَهُمْ — For them
Grammar: لَ is a preposition and attached هُمْ its genitive pronoun; in the topic analysis the phrase is the fronted predicate.
أَجْرٌ — (is) a reward
Grammar: An indefinite nominative noun; in the disconnected/topic analysis it is the delayed topic after لَهُمْ.
غَيْرُ — never
Grammar: A nominative adjective describing أَجْرٌ and annexed to مَمْنُونٍ.
مَمْنُونٍۭ — ending
Grammar: An indefinite genitive passive participle functioning as the genitive complement of غَيْرُ.