اعراب إن العاملين المخلصين محبوبون

The sentence “إن العاملين المخلصين محبوبون” is analyzed as follows: إن is a particle with no specific grammatical function. العاملين is a noun in the accusative case, marked by the letter ياء because it is a plural masculine noun. المخلصين is an adjective in the accusative case, marked by the letter ياء because it is a plural masculine adjective. محبوبون is a predicate in the nominative case, marked by the letter واو because it is a plural masculine predicate. Overall, the sentence means “The sincere workers are loved.”