يَكُنِ
A word in the Arabic language will either be: 1) a verb or 2) a noun or 3) a particle – يَكُنِ is a verb
A verb will either be: 1) past tense or 2) present or future tense or 3) a command or request verb, also called an imperative – يَكُنِ is a present tense verb
A present or future tense verb will be in one of the following states: 1) مَرْفُوْعٌ – nominative or 2) مَنْصُوْبٌ – accusative or 3) مَجْزُوْمٌ – jussive
يَكُوْنُ is the natural state of this verb, which means it is in the state of (مَرْفُوْعٌ) and it changes to the jussive state يَكُنْ when it is preceded by a jussive particle like 1)لَامُ الأَمْرِ which is a particle of command or request for a third person or 2) حَرْفُ جَزْمٍ وَنَفْيٍ وَقَلْبٍ a past negation particle or 3) لَا النَّاهِيَةُ a prohibition particle
يَكُنْ takes a kasrah thus changing to يَكُنِ due to the definite noun following it in the sentence
To be, exist, happen, occur, take place, become, be such or so
| هُوَ الْغَائِبُ | مُعْتَلُّ الْعَيْنِ | فِعْلٌ نَاقِصٌ | ك و ن | كَانَ يَكُوْنُ | بَابٌ نَصَرَ |
| Subject He | weak verb | Incomplete verb | Root | الأَجْوَفُ | اَلْمَصْدَرُ |
| Grammatical analysis of يَكُنِ | ||
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ بِالسُّكُوْنِ الزَّاهِرَةِ | ||
| اسْمُ يَكُنْ مُسْتَتِرٌ تَقْدِيْرُهُ هُوَ | ||
| Grammatical analysis | فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ | فِعْلٌ مُضَارِعٌ مَنْصُوْبٌ | Present and future tense verb | فِعْلٌ مُضَارِعٌ مَرْفُوْعٌ | Past tense verb | فِعْلٌ مَاضٍ |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ بِسُكُوْنِ الزَّاهِرَةِ | يَكُنْ | يَكُوْنَ | He is | يَكُوْنُ | He was | كَانَ |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ أَو مَنْصُوْبٌ بِحَزْفِ النُّوْنِ | يَكُوْنَا | يَكُوْنَا | They two are | يَكُوْنَانِ | They two were | كَانَا |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ أَو مَنْصُوْبٌ بِحَزْفِ النُّوْنِ | يَكُوْنُوا | يَكُوْنُوا | They are | يَكُوْنُوْنَ | They were | كَاىُوا |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ بِسُكُوْنِ الزَّاهِرَةِ | تَكُنْ | تَكُوْنَ | She is | تَكُوْنُ | She was | كَانَتْ |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ أَو مَنْصُوْبٌ بِحَزْفِ النُّوْنِ | تَكُوْنَا | تَكُوْنَا | They two (feminine) are | تَكُوْنَانِ | They two (fem) were | كَانَتَا |
| مَبْنِيٌّ | يَكُنَّ | يَكُنَّ | They (feminine) are | يَكُنَّ | They (fem) were | كُنَّ |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ بِسُكُوْنِ الزَّاهِرَةِ | تَكُنْ | تَكُوْنَ | You are | تَكُوْنُ | You were | كُنْتَ |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ أَو مَنْصُوْبٌ بِحَزْفِ النُّوْنِ | تَكُوْنَا | تَكُوْنَا | You two are | تَكُوْنَانِ | You two were | كُنْتُمَا |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ أَو مَنْصُوْبٌ بِحَزْفِ النُّوْنِ | تَكُوْنُوا | تَكُوْنُوا | You all are | تَكُوْنُوْنَ | You were | كُنْتُمْ |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ أَو مَنْصُوْبٌ بِحَزْفِ النُّوْنِ | تَكُوْنِي | تَكُوْنِي | You (feminine) are | تَكُوْنِيْنَ | You (fem) were | كُنْتِ |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ أَو مَنْصُوْبٌ بِحَزْفِ النُّوْنِ | تَكُوْنَا | تَكُوْنَا | You two (feminine) are | تَكُوْنَانِ | You two (fem) were | كُنْتُمَا |
| مَبْنِيٌّ | تَكُنَّ | تَكُنَّ | You all (feminine) are | تَكُنَّ | You (fem) were | كُنْتُنَّ |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ بِسُكُوْنِ الزَّاهِرَةِ | أَكُنْ | أكُوْنَ | I am | أَكُوْنُ | I was | كُنْتُ |
| فِعْلٌ مُضَارِعٌ مَجْزُوْمٌ بِسُكُوْنِ الزَّاهِرَةِ | نَكُنْ | نَكُوْنَ | We are | نَكُوْنُ | We were | كُنَّا |
| Surah/ | Below are the 3 verses in the holy Quran, containing the jussive, imperfect verb | يَكُنِ |
| Verse | ||
| and those who spend their wealth to be seen by the people | وَالَّذِيْنَ يُنْفِقُوْنَ أَمْوَالَهُمْ رِئَآءَ النَّاسِ | |
| and not they believe in Allah (SWT) and not in the last day | وَلَا يُؤْمِنُوْنَ بِاللهِ وَلَا بِاليَوْمِ الآخِرِ | |
| 4-38 | and who has Satan for him as a companion then evil is he as a companion | وَمَنْ يَكُنِ الشَّيْطَانُ لَهُ قَرِيْنًا فَسَآءَ قَرِيْنًا |
| Indeed, those who believe, then disbelieve, then believe, then disbelieve | إِنَّ الَّذِيْنَ ءَامَنُوا ثُمَّ كَفَرُوا ثُمَّ ءَامَنُوا ثُمَّ كَفَرُوا | |
| 4-137 | then increased in disbelief, Allah (SWT) will not forgive them and will not guide them to a way | ثُمَّ ازْدَادُوا كُفْرًا لَّمْ يَكُنِ اللهُ لِيَغْفِرَ لَهُمْ وَلَا لِيَهْدِيَهُمْ سَبِيْلًا |
| Not were those who disbelieved from the people of the book | لَمْ يَكُنِ الَّذِيْنَ كَفَرُوْا مِنْ أَهْلِ الْكِتَابِ | |
| and the polytheists to be abandoned | وَالْمُشْرِكِيْنَ مُنْفَكِّيْنَ | |
| 98-1 | until the clear evidence comes to them | حَتَّى تَأْتِيَهُمُ الْبَيِّنَةُ |