اعراب جمله لم يحضر احدا حتى الان

The sentence “No one has attended so far” is analyzed as follows: “لم” is a negation particle, “نافي”, “حضر” is a present verb, “احد” is the subject, “حتى” is a time preposition, and “الان” is an adverb indicating present time. The verb “حضر” is in the present tense, indicating that no one has attended yet, with the subject “احد” being in the nominative case.