"إنَّ" (inna) is a particle that emphasizes the statement that follows. It is called one of the "sisters of inna" (إنَّ وأخواتها).

إنَّ (inna) - indeed, verily

أنَّ (anna) - that (used in reported speech)

كَأنَّ (ka'anna) - as if

لَكِنَّ (lākinna) - but, however

لَيْتَ (layta) - if only (wish)

لَعَلَّ (laʿalla) - perhaps, hopefully

The noun after إنَّ takes the accusative case (nasb)

The predicate remains in the nominative (raf')

Emphasis Particle Inna

Explanation