Surah An-Nisa 4:73

وَلَئِنْ أَصَـٰبَكُمْ فَضْلٌ مِّنَ ٱللَّهِ لَيَقُولَنَّ كَأَن لَّمْ تَكُنۢ بَيْنَكُمْ وَبَيْنَهُۥ مَوَدَّةٌ يَـٰلَيْتَنِى كُنتُ مَعَهُمْ فَأَفُوزَ فَوْزًا عَظِيمًا

But if bounty comes to you from Allāh, he will surely say, as if [i.e., showing that] there had never been between you and him any affection, "Oh, I wish I had been with them so I could have attained a great attainment."

Translation: Saheeh International

Tafsir

But if wa-la-in the lām is for oaths a bounty from God befalls you such as a conquest or booty he will surely cry in regret as if ka’an is softened its subject having been omitted in other words it should be ka’annahu there had never been read lam yakun or lam takun any affection any acquaintance or friendship between …

Excerpt from Tafsir al-Jalalayn, commentary on 4:73, via Quran.com. The reader has the full commentary and 9 more tafsirs.