ما إعراب لا تهملن دروسك ؟

The sentence “لا تُهْمِلنَّ دُرُوسَكَ” can be analyzed as follows: “لا” is a negation particle that is in a place that cannot be analyzed. “تُهْمِلنَّ” is a present tense verb in the jussive mood, with a hidden subject indicating “you”. “دُرُوسَكَ” is the object of the verb, marked by the visible fatha (vowel). The letter “كَ” is a pronoun indicating possession, connected to the word “دروس” by a grammatical particle. The sentence urges someone not to neglect their studies.