Original text, light and heavy nūns, verb forms, oaths, phonology and parsing Read the bilingual lesson for The Two Emphatic Nūns: Forms and Rules and test your understanding with a focused quiz.
Lesson
1. Scope of the Final Chapter
Last chapter of the book. The previous section excluded emphatic nūn from tanwīn. This one explains light and heavy emphatic nūn: usage, vowels, conjugation and restrictions.
2. Source Definition of Emphatic Nūn
نُونُ التَّأْكِيدِ وَهِيَ وُضِعَتْ لِتَأْكِيدِ الْأَمْرِ وَالْمُضَارِعِ إِذَا كَانَ فِيهِ طَلَبٌ.
Translation: The emphatic nūn is used to strengthen an imperative or a present tense having the sense of request.
The suffix strengthens an imperative, or a present-tense verb expressing an intended/requested action.
3. Comparison with Past-Tense Emphasis
بِإِزَاءِ «قَدْ» لِتَأْكِيدِ الْمَاضِي.
Translation: In contrast, qad is used to emphasize a past event.
The source contrasts emphatic nūn for command/request with qad as a means of emphasizing a completed event; do not treat nūn as the normal past-tense suffix.
4. The Two Forms
وَهِيَ عَلَى ضَرْبَيْنِ: خَفِيفَةٌ، وَثَقِيلَةٌ.
Translation: The emphatic nūn has two classes: light and heavy.
Two types only: light nūn (single, vowelless n) and heavy nūn (doubled n, normally with fatḥa, kasra after alif).
5. Light Nūn: Sākin
خَفِيفَةٌ، أَيْ: سَاكِنَةٌ أَبَدًا.
Translation: The light nūn is always unvowelled.
Iḍriban ends in a light, unvowelled nūn. It intensifies a command and is not noun tanwīn.
6. Heavy Nūn: Doubled
ثَقِيلَةٌ، أَيْ: مُشَدَّدَةٌ.
Translation: The heavy nūn is doubled.
Iḍribanna has heavy nūn with shadda and fatḥa. The two endings both intensify but are morphologically distinct.
7. When Heavy Nūn Has Fatḥa
مَفْتُوحَةٌ أَبَدًا إِنْ لَمْ يَكُنْ قَبْلَهَا أَلِفٌ.
Translation: The heavy nūn takes fatḥa whenever no alif precedes it.
The heavy nūn has fatḥa when no alif immediately precedes it, such as iḍribanna.
8. When Heavy Nūn Has Kasra
وَمَكْسُورَةٌ إِنْ كَانَ قَبْلَهَا أَلِفٌ.
Translation: If an alif precedes it, the heavy nūn has kasra.
After an alif the heavy nūn is kasra-marked, e.g. iḍribānni addressed to two persons.
9. Singular Command before and after Emphasis
Iktub is plain imperative; uktubanna adds heavy nūn. Both have an implied second-person masculine singular subject.
10. Do Not Add Nūn to a Past Verb
Kataba is past; uktubanna is imperative. Nūn is licensed by command or request-oriented future context, not all verbs indiscriminately.
11. Five Request-Oriented Constructions
وَتَدْخُلُ فِي الْأَمْرِ وَالنَّهْيِ وَالِاسْتِفْهَامِ وَالتَّمَنِّي وَالْعَرْضِ جَوَازًا.
Translation: It may enter command, prohibition, interrogation, wish and gentle offer.
The source permits emphatic nūn in five environments with the sense of requesting or seeking: command, prohibition, question, wish and gentle offer.
12. Emphatic Nūn in Command
Uktubanna ad-darsa: a strengthened imperative with a direct object. The plain imperative is also grammatical.
13. Emphatic Nūn in Prohibition
Lā taktubanna ʿalā al-jidār: prohibition with direct heavy nūn; the present verb is built on fatḥ and occupies the jussive slot governed by lā.
14. Emphatic Nūn in a Question
Hal taktubanna ar-risālata? The interrogative asks about a future act while the nūn adds emphasis.
15. Emphatic Nūn in a Wish
Laytaka taktubanna expresses a wish for the addressee to write, with emphatic nūn on the verb.
16. Emphatic Nūn in a Gentle Offer
Alā tanzilanna ʿindanā? “Would you not come and stay with us?” The source includes ʿarḍ, a gentle invitation, among the contexts allowing emphatic nūn.
17. Same Suffix, Different Sentence Function
The same heavy suffix can occur in five request-like settings; identify sentence force from preceding particles and context.
18. Emphatic Nūn in Oaths
وَقَدْ تَدْخُلُ فِي الْقَسَمِ وُجُوبًا.
Translation: It may enter an oath-answer obligatorily.
The text notes obligatory emphatic nūn in the relevant affirmative future oath-answer pattern. The lam and nūn reinforce the promised action.
19. Lam plus Nūn in an Oath
Wallāhi laʾaktubanna ad-darsa: wāw of oath, genitive Allah, oath-response lam, emphatically marked present verb and accusative object.
20. Limit of the Oath Rule
Do not overgeneralize: the cited obligatory pattern concerns appropriate positive future oath responses, not all possible oath clauses.
21. Masculine Plural: Dropped Wāw
ضَمُّ مَا قَبْلَهَا فِي جَمْعِ الْمُذَكَّرِ.
Translation: The letter before it is given ḍamma in the masculine plural.
The plural wāw is omitted before emphatic nūn; the ḍamma before nūn marks the underlying masculine plural. Contrast uktubanna (singular) and uktubunna (plural).
22. Feminine Singular: Dropped Yāʾ
وَكَسْرُ مَا قَبْلَهَا فِي الْمُخَاطَبَةِ.
Translation: The preceding letter bears kasra in the feminine singular addressed form.
In the second-person feminine singular, the yāʾ is omitted before nūn and the preceding kasra remains as its signal.
23. Masculine Singular: Fatḥa
A fatḥa before the suffix marks the singular masculine; ḍamma marks masculine plural and kasra marks feminine singular.
24. Summary of Vowels before Nūn
وَفَتْحُ مَا قَبْلَهَا فِيمَا عَدَاهُمَا.
Translation: For the remaining forms, the preceding letter has fatḥa.
Before the emphatic nūn: ḍamma for masculine plural, kasra for feminine singular, and fatḥa for other ordinary forms; dual and feminine plural retain their special alif construction.
25. Reading the Exact Ending
Read the vowel immediately before the heavy ending to distinguish the three otherwise near-identical written command forms.
26. Dual with Heavy Nūn
The dual retains its alif before heavy nūn; the heavy nūn therefore takes kasra: uktubānni.
27. Feminine Plural with Heavy Nūn
The feminine plural keeps nūn an-niswah, then inserts a separating alif before heavy emphatic nūn: uktubnānni.
28. Why the Separator Alif?
The feminine-plural subject nūn plus the doubled emphatic nūn effectively cluster three nūns. A separating alif prevents that heavy sequence.
29. Dual and Feminine Plural Compared
Both forms place kasra on the heavy nūn after alif. Dual alif is the subject marker; feminine-plural alif is an inserted separator.
30. Light Nūn Is Excluded from the Dual
وَنُونُ التَّأْكِيدِ الْخَفِيفَةُ لَا تَدْخُلُ فِي التَّثْنِيَةِ أَصْلًا.
Translation: The light emphatic nūn does not enter the dual.
The book excludes light nūn from the dual because a silent nūn after alif creates an impermissible meeting of two sukūns; moving it removes its defining lightness.
31. Light Nūn Is Excluded from the Feminine Plural
وَلَا عَلَى جَمْعِ الْمُؤَنَّثِ.
Translation: Nor does the light nūn enter the feminine plural.
The same restriction is applied to the feminine plural: its accepted emphatic construction here uses the heavy nūn with a separator alif.
32. Why Two Sukūns Matter
A dual alif is sākin and a light emphatic nūn must stay sākin. Bringing them together in this position fails the usual phonological constraint.
33. The Standard Rule and a Minority View
Commentarial qualification: a view attributed to Yūnus analogically allows light nūn in these forms; the base text and common rule exclude it.
34. Distinguish Nūn an-Niswah
Yaktubna ends with nūn an-niswah, a subject pronoun. Layaktubanna has the heavy emphatic particle instead.
35. Distinguish the Mood-Ending Nūn
Yaktubāni carries nūn of indicative mood in the five-verbs paradigm; uktubānni ends in heavy emphatic nūn.
36. Different from Tanwīn
Rajulun has noun tanwīn, while uktuban and uktubanna have light and heavy verbal emphasis respectively.
37. Connection to Present-Tense Iʿrāb
Normally yaktubu is indicative and inflected; layaktubanna is built on fatḥ when nūn attaches directly. Fatḥa here does not itself prove the accusative mood.
38. Full Parsing with Prohibition
Lā tuḥmilanna wājibaka: prohibitive lā governs the jussive position; the nūn-attached verb is formally built on fatḥ. Wājibaka is its direct object.
39. Full Parsing of Singular Command
Uktubanna al-jawāba: imperative built on fatḥ due to heavy nūn; implied subject anta; accusative object al-jawāba; the emphatic nūn itself has no case position.
40. Parsing the Oath Construction
Wallāhi laʾaqraʾanna al-kitāba: oath preposition + genitive Allah; oath-answer lam; nūn-emphasized verb with implied first-person subject; accusative object.
41. Parsing Masculine Plural Command
Uktubunna al-ajwibata: emphatic masculine-plural command; plural wāw deleted but indicated by ḍamma; al-ajwibata is accusative object.
42. Parsing Feminine Singular Command
Uktubinna ar-risālata: emphatic feminine singular command; the yāʾ is deleted, its trace is kasra, and the direct object remains accusative.
43. Parsing the Dual Emphatic Form
Uktubānni al-jawāba: dual imperative with dual alif subject marker, heavy emphatic nūn after alif taking kasra, plus direct object.
44. Parsing the Feminine Plural
Uktubnānni al-jawāba: feminine-plural imperative with nūn an-niswah as subject, separator alif and kasra-marked heavy emphatic nūn; accusative object.
45. Decide by Form, Not by Guesswork
A consistent analysis sequence: part of speech; light versus heavy nūn; preceding vowel or alif; then the clause type, which determines the construction.
46. Two Frequent Errors
Common misparsings: uktubinna is feminine singular, not masculine plural; uktubānni ends in emphatic nūn, not the indicative nūn of the five verbs.
47. Five Essential Contrasts
Five discriminations integrate the unit: tanwīn vs emphasis, light vs heavy, singular vs plural, feminine-singular vs masculine-plural, and dual vs feminine-plural.
48. Chapter Review
The source distinguishes the two emphatic nūns, five request settings, oath answers, the special vowels of person/number, and the exclusion of light nūn from dual and feminine-plural forms.
49. End of the Text and Self-Check
This chapter completes the planned source sequence. Self-test: identify the feminine-plural command, nūn of subject, separator alif and heavy emphatic nūn in uktubnānni.
Practice questions
Question 1
How many main emphatic nūn types are listed?
Question 2
What defines the light nūn?
- Nūn is doubled
- Nūn always has kasra
- Nūn remains unvowelled
- Occurs only in nouns
Question 3
What characterizes heavy nūn?
- It is always sākin
- It carries shadda
- It is tanwīn
- It is a preposition
Question 4
Which nūn ends iḍriban?
- Declension tanwīn
- Light emphatic nūn
- Feminine plural subject nūn
- Indicative nūn
Question 5
Which nūn ends iḍribanna?
- Heavy emphatic nūn
- Light nūn
- Nūn of feminine plural
- Indefiniteness tanwīn
Question 6
What vowel does heavy nūn take without preceding alif?
Question 7
What vowel follows alif on heavy nūn?
Question 8
Which form is emphatic masculine singular imperative?
- Uktubunna
- Uktubinna
- Uktubanna
- Uktubānni
Question 9
Who is addressed by uktubunna?
- Masculine singular
- Masculine plural
- Feminine singular
- Dual
Question 10
Who is addressed by uktubinna?
- Feminine singular
- Masculine singular
- Masculine plural
- Dual
Question 11
Which marker is lost in masculine-plural emphatic imperative?
- Dual alif
- Feminine-plural nūn
- Oath lām
- The plural wāw
Question 12
Which marker is deleted in feminine singular imperative?
- Plural wāw
- Feminine-plural nūn
- Dual alif
- Addressed feminine yāʾ
Question 13
Which form is uktubānni?
- Masculine plural imperative
- Feminine singular imperative
- Dual addressee imperative
- Third-person past
Question 14
Which addressees fit uktubnānni?
- Masculine dual
- Feminine plural
- Masculine singular
- Feminine singular
Question 15
Why is an alif inserted in feminine-plural emphatic form?
- To avoid a cluster of nūns
- To make a noun genitive
- To turn it into past
- To preserve indicative nūn
Question 16
Where is light nūn excluded by the base text?
- Dual and feminine plural
- Masculine singular and plural
- Command and prohibition
- Interrogation and wishing
Question 17
Why is light nūn barred in the dual?
- Mandatory noun tanwīn
- Past meaning
- Absence of heavy nūn
- Impermissible meeting of two sukūns
Question 18
Why not simply vowel the light nūn?
- It would become counterpart tanwīn
- It would become past
- It would lose its defining lightness
- It would become intransitive
Question 19
Which sentence illustrates emphasis on a command?
- The student wrote
- Write the lesson emphatically
- The man is standing
- A man is in the house
Question 20
Which lā is used in lā taktubanna?
- Absolute negation of genus
- Prohibitive lā
- Coordinating lā
- Response lā
Question 21
What construction is hal taktubanna?
- Interrogation
- Prohibition
- Past statement
- Iḍāfa
Question 22
What is the force of laytaka taktubanna?
- Oath
- Past event
- Exception
- Wish
Question 23
What does ʿarḍ signify in alā tanzilanna ʿindanā?
- Reporting a past event
- Constructing iḍāfa
- A gentle invitation
- Making a noun accusative
Question 24
Which is not one of the five listed request settings?
- Command
- Prohibition
- Plain past report
- Wish
Question 25
What structure is wallāhi laʾaktubanna?
- Exception
- Emphasized oath answer
- Broken plural
- Kāna predicate
Question 26
What is the function of wāw in wallāhi?
- Oath preposition
- Plural subject marker
- Conjunction
- Circumstantial wāw
Question 27
What is the lām of laʾaktubanna?
- Lām of denial
- Genitive lām
- Command lām
- Oath-answer lām
Question 28
Is emphatic nūn appended to every past verb?
- Yes, every past verb
- Only with proper nouns
- Only with sound feminine plurals
- No, the rule concerns imperatives and appropriate present verbs
Question 29
What is the nūn of yaktubāni?
- Heavy emphatic nūn
- Feminine-plural subject
- Indicative ending of the five verbs
- Poetic tanwīn
Question 30
What is the nūn of yaktubna?
- Heavy emphatic nūn
- Feminine-plural subject nūn
- Light emphatic nūn
- Replacement tanwīn
Question 31
Why is the ending of rajulun not emphatic nūn?
- It is noun tanwīn
- It is imperative
- It is indicative nūn
- It is feminine-plural nūn
Question 32
What explains the final fatḥ of layaktubanna?
- Building on fatḥ due to direct heavy nūn
- Necessarily an accusative particle
- Genitive governor
- Past tense
Question 33
What is wājibaka in lā tuḥmilanna wājibaka?
- Nominative subject
- Emphatic particle
- Conditional particle
- Accusative direct object
Question 34
Who is the subject in uktubanna al-jawāba?
- Al-jawāba
- Emphatic nūn
- Implied anta
- Dual alif
Question 35
What is the alif of uktubānni?
- Feminine plural separator
- Dual subject marker
- Tanwīn alif
- Vocative alif
Question 36
What is the alif of uktubnānni?
- Dual subject marker
- Separator between nūns
- Tanwīn marker
- Noun accusative marker
Question 37
What do dual and feminine plural heavy nūn forms share?
- Heavy nūn takes kasra after alif
- Plural wāw remains
- Feminine yāʾ remains
- Light nūn is mandatory
Question 38
Whose differing view is mentioned by the commentary?
- Al-Kisāʾī as sole basis
- Denying Sībawayh
- Al-Khalīl on jussive
- Yūnus
Question 39
What is the strongest parsing method here?
- Look only at final nūn
- Rely only on translation
- Check form, preceding vowel, nūn type and context
- Call every fatḥa accusative
Question 40
Which is the final chapter of the source sequence?
- Tanwīn
- Prepositions
- The two emphatic nūns
- Active participle
Question 41
The light emphatic nūn is unvowelled.
Question 42
The heavy emphatic nūn lacks shadda.
Question 43
Heavy nūn remains fatḥa-marked even after alif.
Question 44
Uktubanna has an implied singular addressee subject.
Question 45
The plural wāw remains written in uktubunna.
Question 46
Uktubinna has kasra pointing to the feminine singular.
Question 47
The dual alif remains in uktubānni.
Question 48
The feminine subject nūn and emphatic nūn are the same morpheme.
Question 49
The source normally uses light nūn with dual and feminine plural.
Question 50
Emphatic nūn can occur in the five listed request contexts.
Question 51
Every possible oath answer requires both lām and nūn.
Question 52
The heavy nūn makes the present verb in lā taktubanna built on fatḥ.
Question 53
Tanwīn of rajulun and nūn of uktuban are one grammatical type.
Question 54
The text contrasts qad in discussion of past emphasis.
Question 55
The separator alif in feminine plural is a dual subject pronoun.
Question 56
Yūnus’s reported view differs from the base-text restriction.
Question 57
The indicative nūn of yaktubāni is emphatic nūn.
Question 58
Every nūn-emphasized present verb with fatḥa is accusative.
Question 59
This is the last chapter in the adopted Hidāyat-un-Naḥw sequence.
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