وَإِذَا ٱلنُّفُوسُ زُوِّجَتْ
Sentence structure
The souls are nominative in another coordinated condition, and زُوِّجَتْ is the explanatory Form II passive perfect.
Ayah summary
People will be grouped with others like them according to their beliefs and deeds.
وَإِذَا — And when
Grammar: وَ coordinates the whole conditional construction with the preceding one. إِذَا is a future non-jussive temporal adverb containing conditional meaning.
ٱلنُّفُوسُ — the souls
Grammar: The noun is nominative; here it is the deputy subject of an omitted passive verb explained by زُوِّجَتْ.
زُوِّجَتْ — are paired
Grammar: A Form II feminine singular perfect passive verb. The written verbal clause is explanatory and has no syntactic position.