أعرب جملة لن أهمل الدرس

The sentence “لن أهمل الدرس” is analyzed as follows: “لن” is a particle of negation that is in the accusative case with no specific function. “أهمل” is a present tense verb that is in the accusative case with the sign of its case being an apparent fatha at the end. “الدرس” is a subject that is in the nominative case with the sign of its case being an apparent damma at the end.