Sarf and Nahw Summary: 5.6/5.7/5.8/5.9 - Weak /Strong/Past/Present/Future Imperfect Particles
5.6 - The weak and strong imperfect verb Construction with weak imperfect verb ( مُضَارِع خَفِيْف ) He will never do لَنْ يَفْعَلَ لَن That he does أَن يَفْعَلَ أَن So that he does كَئ يَفْعَلَ كَئ Then he will do إذًا يَفْعَلَ إذًا Until he does حَتّٰى يَفْعَلَ حَتّٰى So that he does (same as كَئ ) لِيَفْعَلَ لِ He will do it لَيَفْعَلَ لَ Construction with Strong imperfect verb ( مُضَارِع أخَفْ )