وَإِذَا مَرُّوا۟ بِهِمْ يَتَغَامَزُونَ ۝٣٠ What is يَتَغَامَزُونَ after the condition?

Surah Al-Mutaffifin — Part 5

• The condition verb
• A relative clause
• An object
• The non-jussive response