وَإِنَّ لَنَا لَلْـَٔاخِرَةَ وَٱلْأُولَىٰ
Sentence structure
وَإِنَّ coordinates an emphatic clause. لَنَا is the predicate phrase; لَلْـَٔاخِرَةَ is the accusative noun with emphatic lām, and وَٱلْأُولَىٰ is coordinated with it.
Ayah summary
And both this world and the Hereafter are under Our authority.
وَإِنَّ — And indeed
Grammar: وَ coordinates and إِنَّ is an emphatic accusative-governing particle.
لَنَا — for Us
Grammar: لِ is a preposition and attached نَا a first-person-plural genitive pronoun; the phrase is the predicate.
لَلْـَٔاخِرَةَ — is the Hereafter
Grammar: Emphatic لَ precedes the feminine accusative noun of إِنَّ, defined by ٱل.
وَٱلْأُولَىٰ — and the first life
Grammar: وَ coordinates; the defined feminine accusative noun is coordinated with ٱلْـَٔاخِرَةَ.