Question

لَمْ نَفْعَلْ Active اِنْ / لَمْ / لِ  / لاَ  cause it to become  جَزْم

Accepted Answer

We did not do لَمْ  changes meaning of word from he does to he did not do - paste tense and negation جَزْم :  the ضَمَّة of present tense verb رَفْع changed to  سُكُون‎

Front	لَمْ نَفْعَلْ
Back	We did not do
Back2	Active
Back3	لَمْ changes meaning of word from he does to he did not do - paste tense and negation
Back4	اِنْ / لَمْ / لِ / لاَ cause it to become جَزْم
Back5	جَزْم : the ضَمَّة of present tense verb رَفْع changed to سُكُون‎

لَمْ Tense جَزْم نَفْعَلْ Active Meaning Word Paste