وَإِذَا ٱلْجَنَّةُ أُزْلِفَتْ
Sentence structure
Paradise is nominative in the final coordinated condition, and أُزْلِفَتْ is a Form IV passive perfect explaining its being brought near.
Ayah summary
Paradise will be brought near to the God-fearing.
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.
ٱلْجَنَّةُ — Paradise
Grammar: The noun is nominative; here it is the deputy subject of an omitted passive verb explained by أُزْلِفَتْ.
أُزْلِفَتْ — is brought near
Grammar: A Form IV feminine singular perfect passive verb. The written verbal clause is explanatory and has no syntactic position.