لَم يَلِدْ

لَم يَلِدْ is a verbal sentence (الجُمْلَةُ الفِعْلِيَّةُ) consisting of a jussive, past tense negative particle and a jussive, present tense verb

The natural state of the present tense verb is يَلِدُ however due to the presence of the jussive particle لَم that precedes it, it changes to يَلِدْ

SentenceParticle / VerbVerb Particle
الجُمْلَةُ الفِعْلِيَّةُحَرْفٌ جَزْمٌ وَفِعْلٌ مَجْزُوْمٌفِعْلٌ مُضَارِعٌ مَجْزُوْمٌ بِالسُّكُوْنِ الزَّاهِرَةِحَرْفٌ جَزْمٌ
verbal sentenceSentencea present or future tense jussive verba jussive, past tense, negative particle
  
not He boreلَم يَلِدْ=يَلِدْ+لَم
Not did He give birthHe give birthnot did
Surah/Below is the only verse in the holy Quran containing the verbal sentenceلَم يَلِدْ
Verse
112-3He does not give birth nor was He bornلَم يَلِدْ وَلَمْ يُوْلَدْ