اعراب ليتهم كانوا رجالاً – إسألنا

The sentence “ليتهم كانوا رجالا” is analyzed as follows: “ليتهم” is a detached pronoun with a fatha vowel, “كانوا” is a past verb with a fatha vowel showing an incomplete action, and “رجالا” is the predicate in the form of a nominal sentence. The sentence is in the form of “ليتهم كانوا رجالا” with “كانوا رجالا” serving as the predicate for “ليتهم”.