فَلَآ أُقْسِمُ بِٱلشَّفَقِ ۝١٦ What is the grammar of بِٱلشَّفَقِ?

Surah Al-Inshiqaq — Part 3

• A nominative topic
• An object
• A circumstantial noun
• A prepositional phrase linked to uqsimu