بِأَصْحَابِ الفِيْلِ

بِأَصْحَابِ الفِيْلِ is a phrase (شِبْهُ الجُمْلَةِ), a genitive particle followed by a possessed noun and a possessive noun

PhraseParticle / Noun / NounNounNoun Particle
شِبْهُ الجُمْلَةِجَارٌ وَمَجْرُوْرٌ وَهُوَ مُضَافٌ وَ مُضَافٌ إِلَيْهِمُضَافٌ إِلَيْهِاسْمٌ مَجْرُوْرٌ وَهُوَ مَضَافٌحَرْفُ جَرٍّ
PhraseCompoundPossessive NounGenitive noun + Noun possessedParticle of pulling down
  
with the companions of the elephantبِأَصْحَابِ الفِيْلِ=الفِيْلِ+أَصْحَابِ+بِ
with the companions of the elephantthe elephantthe companions ofwith
Surah/Below is the only verse in the holy Quran containing the genitive particle and nominal compoundبِأَصْحَابِ الْفِيْلِ
Verse
105-1Did you not see how your Lord dealt with the companions of the elephant?أَلَم تَرَ كَيْفَ فَعَلَ رَبُّكَ بِأَصْحَابِ الْفِيْلِ

Valuable resources:

بِأَصْحَابِ الفِيْلِ occurrence

Learn Quranic Arabic online dvds

Download study materials, notebooks 1, 2, 3, notes etc