تَلَاهَا

تَلَاهَا is a verbal sentence  (الجُمْلَةُ الفِعْلِيَّةُ) consisting of a verb and an object in the form of a third-person, feminine, singular attached pronoun

فِعْلٌ وَمَفْعُوْلٌ بِهِمَفْعُوْلٌ بِهِ فَاعِلٌ فِعْلٌ
Verbal sentenceObject SubjectVerb
الجُمْلَةُ الفِعْلِيَّةُAttached pronounDetached pronoun
AccusativeNominative
Follows itتَلَاهَا=هَا+مُسْتَتِرٌ تَقْدِيْرُهُ هُوَ+تَلَا
It follows itit(it)follows
Surah/Below is the only verse in the holy Quran containing the verb and third person, feminine, singular objectتَلَاهَا
Verse
91-2and the moon when it follows itوَالقَمَرِ إِذَ تَلَاهَا