A Hundred and One Rules in Arabic Grammar!

  1. When it means “how many,” کَم   ===================================

When it means “how many,” کَم   has to be followed by an indefinite noun, in the accusative case. Unlike English, it has to be singular. Arab grammarians call it a particle of "The Accusative of Distinction," orتَمييز .

How many students are there in the class?    کم طالِباً في الصفِّ؟