كَلَّآ إِنَّ ٱلْإِنسَـٰنَ لَيَطْغَىٰٓ ٦
Sentence structure
كَلَّآ is a deterrent particle. إِنَّ governs accusative ٱلْإِنسَـٰنَ; emphatic لَ precedes its verbal predicate يَطْغَىٰٓ.
Ayah summary
The truth is that the human being becomes rebellious.
كَلَّآ — No indeed
Grammar: A deterrent and rebuke particle.
إِنَّ — indeed
Grammar: An accusative particle of emphasis.
ٱلْإِنسَـٰنَ — the human
Grammar: The defined masculine accusative noun of إِنَّ.
لَيَطْغَىٰٓ — surely transgresses
Grammar: لَ emphasizes; the third-person masculine-singular imperfect has understood subject.