كَلَّآ إِنَّ كِتَـٰبَ ٱلْفُجَّارِ لَفِى سِجِّينٍۢ
Sentence structure
After deterrent كَلَّآ, إِنَّ makes كِتَـٰبَ accusative; ٱلْفُجَّارِ is its genitive complement. The emphatic phrase لَفِى سِجِّينٍ is the predicate.
Ayah summary
The Day of Account will certainly come, and the record of the wicked is preserved in Sijjin.
كَلَّآ — Nay
Grammar: a deterrent particle.
إِنَّ — Indeed
Grammar: An accusative and emphatic particle. كِتَـٰبَ is its accusative noun and لَفِى سِجِّينٍ its emphatic predicate.
كِتَـٰبَ — (the) record
Grammar: An accusative noun functioning as the noun of إِنَّ and annexed to ٱلْفُجَّارِ.
ٱلْفُجَّارِ — (of) the wicked
Grammar: A definite genitive plural noun functioning as the genitive complement of كِتَـٰبَ.
لَفِى — (is) surely in
Grammar: لَ is the displaced emphatic lām and فِى a preposition; the phrase forms the predicate of إِنَّ.
سِجِّينٍۢ — Sijjin
Grammar: genitive noun functioning as the genitive complement.