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Old Church Slavonic is an inflectional language with moderately complex verbal and nominal systems.

Nouns

The nominal case category distinguishes 7 cases for nouns, 6 for pronouns and adjectives (no vocative):

Nominal cases

Abbr.	Case
N	Nominative
G	Genitive
D	Dative
A	Accusative
V	Vocative
L	Locative
I	Instrumental

Noun syntax

Number

Old Church Slavonic has three numbers: singular, dual, and plural.

The dual, and not the plural, is used for nouns that are two. Nouns found in natural pairs, such as eyes, ears, and hands, are only found rarely in the plural. Due to its consistent use in all Old Church Slavonic texts, it appears to have been a living element of the language. The dual affects adjectives and verbs in addition to nouns. ^[1]

Nominative case

The nominative is used for the subject of a sentence, but it is only distinguished from the accusative in the masculine plural and the feminine singular, excluding the i-declension. ^[1] Unlike in most modern Slavic languages, the nominative is also typically used for the complement of verbs meaning "to be". ^[2] It is also used with verbs of naming and calling, but the accusative is also used for these verbs. ^[2]

Accusative case

The accusative case is used for the direct object of a sentence with transitive verbs. For the masculine o/jo declension, the accusative singular for "an adult, healthy, free male person" is often shown by the use of the endings of the genitive singular. ^[3] The accusative is also used with nouns for a duration of time and a measure of distance. ^[4] Old Church Slavonic makes more frequent use of the accusative case after negated infinitives and participles than other Slavic languages, and it is unclear if this is an innovation of Old Church Slavonic or an archaism. ^[5]

Genitive case

When used with nouns, the genitive frequently denotes the possessor of another noun or "the whole of which the other noun is a part", among other meanings. ^[6] It is also used frequently with the numerals after five, and with certain pronouns, in the form of the partitive genitive. ^[7]

The genitive may be used as the complement of the 'verb to' to denote possession, and it replaces the nominative as the complement of 'to be' in impersonal sentences if the verb is negated. ^[8] It is also used for the object of negated infinitives or participles, and for the objects of certain verbs. ^[9] It is used after some adjectives, and for objects of comparison after adjectives in the comparative. ^[10] When recording a date, the month is typically written in the genitive. ^[10] Unlike other Slavic languages, there is no genitive of time. ^[10]

Dative case

The dative case is used for the indirect object of a sentence. In addition, it is infrequently used to denote the goal of a motion (its original meaning), but this is more typically shown by using the preposition къ (kъ) followed by the dative. It is also used for the objects of verbs of commanding, obeying, favoring, giving, saying, showing, and promising, as well as for verbs meaning "to seem", and "to be similar to". ^[11] Additionally, it can be used with nouns and adjectives, particularly in impersonal constructions. ^[12] It can also be used for a "dative of advantage", showing for whom an action was performed, and as an "ethic dative" that shows "emphasis or emotional involvement". ^[13] Moreover, the dative can also be used to show possession, typically showing a close relationship between the possessor and the thing possessed, in which form it can occur after the verb "to be" or adjoining the noun possessed. ^[14] The dative is also used for the "dative absolute" construction, a type of subordinate clause, in which a participle, often with a noun subject, are both placed in the dative. ^[15]

Instrumental case

The instrumental case can show the "instrument" by which an action was performed, mark "a part of the body or state of mind accompanying the action", and denote the manner in which something was performed. ^[16] The instrumental can be used to denote measure following a comparison, how many times an action was performed with numerals, an instrumental of place showing over or through what a movement occurs, to denote the time of an action, to mean "in respect to" when use with verbs, adjectives, or other nouns, and to denote the cause of verb, among other meanings. ^[17] It is also used to denote the agent in passive constructions. ^[18]

The instrumental is also found rarely for the complement of the verb "to be". It is not found in this meaning in the oldest Old Church Slavonic texts, the Gospels, and only occasionally in later texts. ^[19]

Locative case

The locative case is used to denote the location in which something occurs. It very rarely occurs without a preceding preposition. Without a preposition, it is only used with place names, as a "locative of place". Due to more frequent use of locatives of place in Old Russian and Old Czech, it is possible that this rarity is caused by Old Church Slavonic following Greek syntax. ^[20] It is also used, again rarely, for the "locative of time" to denote "in" a certain time. ^[21] The locative is also used as the object of a small number of verbs; as this construction is extremely rare in other Slavic languages it is most likely an archaic form. ^[21]

Vocative case

The vocative is used instead of the nominative when a noun is used in isolation as an address or exclamation. Due to this case's consistent use in translations from Greek, in which the vocative is often identical to the nominative, it is clear that it was productive part of the spoken language. ^[22]

o-stems

jo-stems

a-stems

ja-stems

i-stems

u-stems

ū-stems

n-stems

s-stems

t-stems

r-stems

Pronouns

Personal pronouns

Declension of the personal pronouns

Singular	1st person	2nd person	Reflexive
Nominative	азъ	тꙑ	—
Genitive	мене	тебе	себе
Dative	мьнѣ, ми	тебѣ, ти	себѣ, си
Accusative	мѧ	тѧ	сѧ
Locative	мьнѣ	тебѣ	себѣ
Instrumental	мъноѭ	тобоѭ	собоѭ
Dual	1st person	2nd person	Reflexive
Nominative	вѣ	ва	—
Genitive	наю	ваю	себе
Dative	нама, на	вама, ва	себѣ, си
Accusative	на	ва	сѧ
Locative	наю	ваю	себѣ
Instrumental	нама	вама	собоѭ
Plural	1st person	2nd person	Reflexive
Nominative	мꙑ	вꙑ	—
Genitive	насъ	васъ	себе
Dative	намъ, нꙑ	вамъ, вꙑ	себѣ, си
Accusative	нꙑ	вꙑ	сѧ
Locative	насъ	васъ	себѣ
Instrumental	нами	вами	собоѭ

Declension of the third personal pronoun

Singular	Masculine	Neuter	Feminine
Nominative	и	ѥ	ꙗ
Genitive	его	его	ѥѩ
Dative	емоу	емоу	ѥи
Accusative	и, нь	ѥ	ѭ
Locative	ѥмь	ѥмь	ѥи
Instrumental	имь	имь	ѥѭ
Dual	Masculine	Neuter	Feminine
Nominative	ꙗ	и	и
Genitive	ѥю	ѥю	ѥю
Dative	има	има	има
Accusative	ꙗ	и	и
Locative	ѥю	ѥю	ѥю
Instrumental	има	има	има
Plural	Masculine	Neuter	Feminine
Nominative	и	ꙗ	ѩ
Genitive	ихъ	ихъ	ихъ
Dative	имъ	имъ	имъ
Accusative	ѩ	ꙗ	ѩ
Locative	ихъ	ихъ	ихъ
Instrumental	ими	ими	ими

Just as the first and second person pronouns, the third person pronoun is commonly used only in oblique cases. Nominative singular forms are not attested in the OCS corpus, and are reconstructed. In the East South Slavic dialectal area where OCS originated, a suppletive nominative singular stem of the demonstrative tъ ('that') is used, elsewhere onъ ('that one there, yon'), or very rarely sь ('this').

By attaching the enclitic particle že to the forms of *i one obtains the relative pronoun: iže ('he who'), ježe ('the (female) one to whom'), jejuže ('the two of whom'), etc.

When following prepositions, these pronouns take a prothetic n-, hence kъ n'imъ ('to them') instead of *imъ, na n'emь ('on him'), etc. This is a remnant of final -m/n in the PIE prepositions *kom (cf. Latin cum, Sanskrit kám),

• sm̥ (cf. Sanskrit sám) and
• h₁n̥ that yielded the OCS prepositions kъ, sъ, and vъ and then spread analogically to all the other prepositions.

The reflexive pronoun has only singular oblique forms, which is the state of affairs inherited from PIE *swé. The reflexive pronoun refers to the subject as a whole, and can be translated as English -self (myself, yourself, himself etc.)

Relative pronoun

Singular	Masculine	Neuter	Feminine
Nominative	иже	еже	ꙗже
Genitive	егоже	егоже	еѩже
Dative	емоуже	емоуже	еиже
Accusative	иже	еже	ѭже
Locative	емьже	емьже	еиже
Instrumental	имьже	имьже	еѭже
Dual	Masculine	Neuter	Feminine
Nominative	ꙗже	иже	иже
Genitive	еюже	еюже	еюже
Dative	имаже	имаже	имаже
Accusative	ꙗже	иже	иже
Locative	еюже	еюже	еюже
Instrumental	имаже	имаже	имаже
Plural	Masculine	Neuter	Feminine
Nominative	иже	ꙗже	ѩже
Genitive	ихъже	ихъже	ихъже
Dative	имъже	имъже	имъже
Accusative	ѩже	ꙗже	ѩже
Locative	ихъже	ихъже	ихъже
Instrumental	имиже	имиже	имиже

As mentioned, the third person pronoun *i participates in the formation of the relative pronoun by appending the indeclinable enclitic že. Unlike the third person pronoun, however, the nominative case forms do occur. Similarly, a prothetic n- occurs when following prepositions, e.g., vъ n'ьže ('in which').

Interrogative pronoun and adjective

Indefinite pronouns and adjectives

The interrogative pronouns kъto, čьto can also have the indefinite meanings of 'anybody', 'anything' respectively.

The prefix ně- imparts an indefinite meaning to the word to which it is attached: thus kъto ('who?') becomes někъto ('someone'), and čьto ('what?') becomes něčьto ('something'). Similarly, the prefix ni- imparts a negative meaning: nikъto ('no one'), ničьto ('nothing'). A prepositions may come between prefix and base word:

ně u kogo — with someone

ni o komьže nerodiši — you care for no one

Adjectives

OCS adjectives can be in two forms: short and long, corresponding to indefinite and definite meaning respectively. The long and short forms of the adjective have distinct syntactical roles. In general the long form is used attributively, whereas the short form is predicative: чловѣкъ добръ 'a good man, man is good'; чловѣкъ добръіи 'the good man, the man who is good'. The short form is indefinite in meaning, 'man is good'. The combination of a short-form adjective with substantive is used when the signified entity is presented as new, without prior reference. Hence въ пєшть огн҄ьнѫ 'into a furnace, a fiery one'. The long form, by contrast, acts as a pointer and is definite, 'the good man'. The long-form adjective with substantive combination is used when the adjective presents a quality known to be associated with the substantive modified. Hence въ гєонѫ огн҄ьнѫѭ 'into hell the fiery'. The compound form is often rendered in English by a relative clause: 'into the hell which is fiery'. Adjectives used as substantives are themselves subject to the long and short form distinction. Again the long form refers to a substantive previously introduced or assumed known. Thus привѣшѧ къ н҄ємѹ слѣпа... и имъ слѣпаєго за рѫкѫ 'they brought to him a blind man... and having taken the blind man by the hand...'. In a sequence of coordinated participles, when used as substantives, it is typical for only the first to use the long form. The following substantives use the short form. Hence слъішѧи словєса моја и творѧ ја... 'he who hears my words and does them...'.

Indefinite adjectives are inflected as the corresponding nouns of the primary declension, e.g., novъ as rabъ, nova as žena, novo as selo, ništь as vračь, ništa as duša, nište as polje.

Definite adjectives (also known as compound, long, or pronominal forms of adjective) are formed by suffixing to the indefinite form the anaphoric third-person pronoun jь (spelled as i in OCS orthography), ja, je as shown in the table.

"new"

N	novъ + i (jь) = novъjь > novyi	nova + ja = novaja
G	nova + jego = novajego	novy + jeję = novyję
D	novu + jemu = novujemu	nově + jei = nověi
A	novъ + i (jь) = novъjь > novyi	novǫ + jǫ = novǫjǫ
L	nově + jemь = novějemь	nově + jei = nověi
I	novomь + imь = novъimь > novyimь	novojǫ + jejǫ = novojǫ, novǫjǫ

N, A	nova + ja = novaja	nově + i = nověi
G, L	novu + jeju = novuju	novu + jeju = novuju
D, I	novoma + ima = novyima	novoma + ima = novyima

N	novi + (j)i = novii	novy + ję = novyję
G	novъ + ixъ = novyixъ	novъ + ixъ = novyixъ
D	novomъ + imъ = novyimъ	novamъ + imъ = novyimъ
A	novy + ję = novyję	novy + ję = novyję
L	nověxъ + ixъ = novyixъ	novaxъ + ixъ = novyixъ
I	novy + imi = novyimi	novami + imi = novyimi

Adjective gradation

There are three levels of adjective gradation in OCS:

• positive, stating an absolute property of an object;
• comparative, stating a relative property of an object;
• superlative, stating a property of an object in relation to any other object it may be compared to.

Comparative

1. Adjectives with falling tone on the root syllable:

   dragъ ("dear") − draž-ii (m), draž-e (n), draž-ьši (f);

   tęžьkъ ("heavy") − tęžii, tęže, tęžьši;

   grǫbъ ("grumpy") − grǫblii, grǫble, grǫblьši.

2. Adjectives with rising tone on the root syllable:

   novъ ("new") − nov-ěi, nov-ěje, nov-ěiši;

   starъ ("old") − starěi, starěje, starěiši;

   junъ ("young") − juněi, juněje, juněiši.

Declension of the comparative

N

dražii

draže

dražьši

juněi

juněje

juněiši

G

dražьša

dražьša

dražьšę

juněiša

juněiša

juněišę

D

dražьšu

dražьšu

dražьši

juněišu

juněišu

juněiši

A

dražьšii

draže

dražьšǫ

juněi

juněje

juněišǫ

L

dražьši

dražьši

dražьši

juněiši

junějiši

juněiši

I

dražьšemь

dražьšemь

dražьšejǫ

juněišemь

juněišemь

juněišejǫ

N, A

dražьša

dražьši

dražьši

juněiša

juněiši

juněiši

G, L

dražьšu

dražьšu

dražьšu

juněišu

juněišu

juněišu

D, I

dražьšema

dražьšema

dražьšama

juněišema

juněišema

juněišama

N

dražьše

dražьša

dražьšę

juněiše

juněiša

juněišę

G

dražьšь

dražьšь

dražьšь

juněišь

juněišь

juněišь

D

dražьšemъ

dražьšemъ

dražьšamъ

juněišemъ

juněišemъ

juněišamъ

A

dražьšę

dražьša

dražьšę

juněišę

juněiša

juněišę

L

dražьšixь

dražьšixь

dražьšaxь

juněišixь

juněišixь

juněišaxь

I

dražьši

dražьši

dražьšami

juněiši

juněiši

juněišami

Superlative

The superlative is formed:

1. by adding the prefix nai- to the comparative base: naidražii, naitęžьši, naigrǫble;
2. by combining the comparative form with the pronoun vьsego/vьsěxъ: nověi vьsego, dražii vьsěxъ.

The absolute superlative is formed:

1. by adding the prefix prě- to the positive: prědragъ, prěnova, prěstaro;
2. by using the adverb ʒělo with the positive: ʒělo dragъ, ʒělo nova, ʒělo staro.

Numerals

Cardinals

1		jedinъ (m), jedina (f), jedino (n)
2		dъva (m), dъvě (f and n)
3		trьje (m), tri (f and n)
4		četyre (m), četyri (f and n)
5		pętь
6		šestь
7		sedmь
8		osmь
9		devętь
10		desętь
11		jedin-ъ/a/o na desęte
12		dъv-a/ě na desęte
20		dъva desęti
21		dъva desęti i jedin-ъ/a/o
22		dъva desęti i dъv-a/ě
30		trije desęte
40		četyre desęte
50		pętь desętь
60		šestь desętь
70		sedmь desętь
80		osmь desętь
90		devętь desętь
100		sъto
200		dъvě sъtě
300		tri sъta
400		četyre sъta
500		pętь sъtъ
1 000		tysęšti, tysǫšti
2 000		dъvě tysǫšti
5 000		pętь tysǫštь
10 000		desętь tysǫštь or tьma
20 000		dъvadesęti tysǫštь or dъvě tьmě
100 000		sъto tysǫštь or leĝeonъ

Declension of cardinal numbers

1		pronominal declension jedinъ − jedinogo, jedina − jedinoję
2		pronominal declension, only in dual
3		undergoes i-stem declension, plural forms only
4		exactly like trьje, tri, except for the nominative and genitive which undergo consonant-stem declension
5–10		undergoes i-stem declension, only in singular, except for desętь which also has dual and plural forms
11–19		only the first component is inflected, e.g. jedinomu na desęte
20, 30, 40		both components are inflected, e.g. dъvěma desętьma, trьmь desętьmь
50–90		only the first component is inflected, e.g. pętijǫ desętь

sъto is declined as selo, tysęšti as bogyni, tьma as žena, leĝeonъ as rabъ

Ordinals

1		prъvyi, prъvaja, prъvoje
2		vъtoryi, vъtoraja, vъtoroje
3		tretii, tretijaja, tretijeje
4		četvrъyi, četvrъaja, četvrъoje
5		pętyi, pętaja, pętoje
11		prъvyi / prъvaja / prъvoje na desęte
20		dъvadesętьn-yi/aja/oje
21		dъvadesętьn-yi/aja/oje prъv-yi/aja/oje
60		šestьdesętьn-yi/aja/oje
100		sъtъn-yi/aja/oje
1 000		tysǫčьn-yi/aja/oje

All ordinals are inflected like the corresponding adjectives.

Verbs

Present

The present tense is formed by adding present-tense endings onto the present tense stem, which itself is sometimes hidden due to sound changes that have occurred in the past (more common verbs are listed):

• bosti (bod-), vesti (ved- or vez-), krasti (krad-), iti (id-)
• plesti (plet-), mesti (met-), greti (greb-), krasti (krad-)
• rešti (rek-), pešti (pek-), mošti (mog-), tešti (tek-)

There are several classes of verbs:

1. e-type verbs add the interfix -e- to the present stem (except in front of -ǫ) and the endings:

Verb	Singular	Plural	Dual
bosti (bod-) ("stab")	1. bod -ǫ 2. bod -e + -ši 3. bod -e + -tъ	1. bod -e + -mъ 2. bod -e + -te 3. bod -ǫtъ	1. bod -e + -vě 2. bod -e + -ta 3. bod -e + -te
rešti (rek-) ("speak")	1. rek -ǫ 2. reč -e + -ši 3. reč -e + -tъ	1. reč -e + -mъ 2. reč -e + -te 3. rek -ǫtъ	1. reč -e + -vě 2. reč -e + -ta 3. reč -e + -te

2. i-type verbs exhibit the same set of endings, but this time the interfix is -i- (except in front of -ǫ and -ę). In the first person singular one finds the processes of iotation (k/c + j > č, g/z + j > ž, x/s + j > š, l + j > lj, n + j > nj, t + j > št, d + j > žd) and epenthesis (bj > blj, pj > plj, mj > mlj, vj > vlj):

Verb	Singular	Plural	Dual
xvaliti (xval-) ("praise")	1. xval + -j + -ǫ 2. xval -i + -ši 3. xval -i + -tъ	1. xval -i + -mъ 2. xval -i + -te 3. xval -ętъ	1. xval -i + -vě 2. xval -i + -ta 3. xval -i + -te
ljubiti (ljub-) ("love")	1. ljub + -lj + -ǫ 2. ljub -i + -ši 3. ljub -i + -tъ	1. ljub -i + -mъ 2. ljub -i + -te 3. ljub -ętъ	1. ljub -i + -vě 2. ljub -i + -ta 3. ljub -i + -te

3. The athematic verbs byti, dati, věděti, iměti and jasti form the present tense irregularly:

Verb	Singular	Plural	Dual
byti ("be")	1. jesmь 2. jesi 3. jestъ	1. jesmъ 2. jeste 3. sǫtъ	1. jesvě 2. jesta 3. jeste
věděti ("know")	1. věmь 2. věsi 3. věstъ	1. věmъ 2. věste 3. vědętъ	1. věvě 2. věsta 3. věste
iměti ("have")	1. imamь 2. imaši 3. imatъ	1. imamъ 2. imate 3. imǫtъ	1. imavě 2. imata 3. imate
jasti ("eat")	1. jamь 2. jasi 3. jastъ	1. jamъ 2. jaste 3. jadętъ	1. javě 2. jasta 3. jaste

One should distinguish the verbs iměti (imamь, imaši, imatъ), imati (jemljǫ, jemleši, jemletъ) and jęti (imǫ, imeši, imetъ). Exceptional is also the verb xotěti which exhibits iotation even though it's not an i-type verb (xoštǫ, xošteši, xoštetъ).

Aorist

The aorist is used both to narrate individual events taking place at a specific time in the past, "without reference to other events taking place at the same time or subsequently" ^[23] and to narrate the beginning or end of events of longer duration. Its most important function is to show that an event took place in the past, rather than to show that it is completed.

The aorist form of imperfective verbs is used instead of the perfective aspect in the case of verbs of motion and perception, as well as of the verbs iměti, and jasti. Imperfective verbs in the aorist are also used when an entire action is negated, and may be used for verbs of saying, although the usual form for "he said" is from a perfective verb, reče. ^[24]

Asigmatic aorist

The asigmatic aorist (also called root or simple aorist) was named after the loss of the phoneme /s/ in the inflection ( AGr. sigma), i.e. there is no VsV > VxV change (intervocalic /s/ yielding /x/). Over time, the asigmatic aorist became increasingly marked as an archaic language feature and was eventually replaced by the other two aorist formations.

The asigmatic aorist was formed by adding to the infinitive stem of e-type verbs with stem ending in a consonant (i.e. verbs with the infix -nǫ-, which is dropped before the aorist endings, and verbs with the null infix) the following endings: -ъ, -e, -e; -omъ, -ete, -ǫ; -ově, -eta, -ete.

Verb	Singular	Plural	Dual
pasti (pad-) ("fall")	1. pad -ъ 2. pad -e 3. pad -e	1. pad -omъ 2. pad -ete 3. pad -ǫ	1. pad -ově 2. pad -eta 3. pad -ete
tešti (tek-) ("flow")	1. tek -ъ 2. teč -e 3. teč -e	1. tek -omъ 2. teč -ete 3. tek -ǫ	1. tek -ově 2. teč -eta 3. teč -ete
mošti (mog-) ("be able to")	1. mog -ъ 2. mož -e 3. mož -e	1. mog -omъ 2. mož -ete 3. mog -ǫ	1. mog -ově 2. mož -eta 3. mož -ete
dvignǫti (dvig-) ("move")	1. dvig -ъ 2. dviž -e 3. dviž -e	1. dvig -omъ 2. dviž -ete 3. dvig -ǫ	1. dvig -ově 2. dviž -eta 3. dviž -ete

Sigmatic aorist

The sigmatic or s-aorist was formed in the following ways:

• Verbs whose stem ends in b, p, d, t, z, s form this aorist by dropping the final consonant and adding the interfix -s- plus the endings -ъ, -, -; -omъ, -te, -ę; -ově, -ta, -te. Intervocalic sigma (s) exhibits no change. As a side effect, e is lengthened to ě, and o to a.
• Verbs whose stem ends in r or k form this aorist in the same way as previously mentioned, except that intervocalic sigma (s) changes into x, the same set of endings being suffixed to the interfix. As a side effect, e is lengthened to ě, and o to a.
• Verbs whose stem ends in a vowel form this aorist by suffixing exactly the same set of endings to the infinitive stem, and intervocalic -s- changes into -x-.

The 2nd and 3rd person singular forms of these verbs match the infinitive stem due to the elision of word-final sigma.

Verb	Singular	Plural	Dual
xvaliti (xvali-)	1. xvali -x -ъ 2. xvali 3. xvali	1. xvali -x -omъ 2. xvali -s -te 3. xvali -š -ę	1. xvali -x -ově 2. xvali -s -ta 3. xvali -s -te
tešti (tek-)	1. těxъ (tek -s -ъ) 2. teče 3. teče	1. těxomъ (tek -s -omъ) 2. těste 3. těšę	1. těxově (tek -s -ově) 2. těsta 3. těste
greti (greb-)	1. grěsъ 2. grebe 3. grebe	1. grěsomъ 2. grěste 3. grěsę	1. grěsově 2. grěsta 3. grěste
bosti (bod-)	1. basъ 2. bode 3. bode	1. basomъ 2. baste 3. basę	1. basově 2. basta 3. baste

New aorist

The new aorist (also known as ox-aorist) is formed by suffixing to the infinitive stem of e-type verbs ending in a consonant (verbs with the interfix -nǫ- and verbs with the null interfix) the interfix -os- (-ox) and onto it the endings -ъ, -, -; -omъ, -te, -ę; -ově, -ta, -te. Intervocalic sigma s changes into x.

The 2nd and the 3rd person singular forms are not attested and thus the asigmatic aorist forms are taken as a replacement.

Verb	Singular	Plural	Dual
krasti (krad-) ("steal")	1. krad -ox -ъ 2. (krad -e) 3. (krad -e)	1. krad -ox -omъ 2. krad -os -te 3. krad -oš -ę	1. krad -ox -ově 2. krad -os -ta 3. krad -os -te
rešti (rek-)	1. rek -ox -ъ 2. (reč -e) 3. (reč -e)	1. rek -ox -omъ 2. rek -os -te 3. rek -oš -ę	1. rek -ox -ově 2. rek -os -ta 3. rek -os -te
iti (id-) ("go/walk")	1. id -ox -ъ 2. (id -e) 3. (id -e)	1. id -ox -omъ 2. id -os -te 3. id -oš -ę	1. id -ox -ově 2. id -os -ta 3. id -os -te

Imperfect

The imperfect is used either for continuous or repeated actions in the past. It is typically used to form a background in a narration, and forms a contrast with the aorist and other verb forms: it often shows that an action took place at the same time as another. Actions in the imperfect are almost always incomplete, and the tense is typically only used with verbs in the imperfective aspect. Rarely, it can be formed with perfective verbs. ^[25]

There are two ways of forming the imperfect:

1. If the infinitive stems ends in -a or -ě, the interfix -ax- is appended (which changes to -aš- according to the first palatalization in front of e) and onto it, the endings of the asigmatic aorist: -ъ, -e, -e; -omъ, -ete, -ǫ; -ově, -eta, -ete.

Verb	Singular	Plural	Dual
glagolati (glagola-) ("speak")	1. glagola -ax -ъ 2. glagola -aš -e 3. glagola -aš -e	1. glagola -ax -omъ 2. glagola -aš -ete 3. glagola -ax -ǫ	1. glagola -ax -ově 2. glagola -aš -eta 3. glagola -aš -ete
viděti (vidě-) ("see")	1. vidě -ax -ъ 2. vidě -aš -e 3. vidě -aš -e	1. vidě -ax -omъ 2. vidě -aš -ete 3. vidě -ax -ǫ	1. vidě -ax -ově 2. vidě -aš -eta 3. vidě -aš -ete

2. The other way of forming the imperfect, applying to all other verbal stems, is by adding onto the present stem the interfix -ěax- (which, in accordance with the first palatalization, is changed to -ěaš- in front of e) and onto it the endings of asigmatic aorist: -ъ, -e, -e; -omъ, -ete, -ǫ; -ově, -eta, -ete.

Verb	Singular	Plural	Dual
zъvati (zov-) ("call")	1. zov -ě -ax -ъ 2. zov -ě -aš -e 3. zov -ě -aš -e	1. zov -ě -ax -omъ 2. zov -ě -aš -ete 3. zov -ě -ax -ǫ	1. zov -ě -ax -ově 2. zov -ě -aš -eta 3. zov -ě -aš -ete
bosti (bod-) ("stab")	1. bod -ě -ax -ъ 2. bod -ě -aš -e 3. bod -ě -aš -e	1. bod -ě -ax -omъ 2. bod -ě -aš -ete 3. bod -ě -ax -ǫ	1. bod -ě -ax -ově 2. bod -ě -aš -eta 3. bod -ě -aš -ete

Both of these imperfect formations often occur side by side in verbs with stem alternation:

• bьrati (bьra-; ber-) > bьraaxъ or berěaxъ
• gъnati (gъna-; žen-) > gъnaaxъ or ženěaxъ
• plьvati (plьva-; pljuj-) > plьvaaxъ or pljujěaxъ
• zъvati (zъva-; zov-) > zъvaaxъ or zověaxъ

In the texts of the OCS canon the forms are often contracted, so that ěax becomes ěx and aax becomes ax. An illustrating example is in Chernorizets Hrabar's famous work O pismenex "An Account of Letters":

Prěžde ubo slověne ne iměxǫ knigъ, nǫ črъtami i rězami čьtěxǫ i gataaxǫ, pogani sǫšte.

Some forms exhibit sound changes, namely palatalization or iotation in front of ě, yat thus turning into a. The same applies if the stem ends in j which is then reduced in front of yat and yat again changes into a:

• xvaliti (xval-) > xval + ě + axъ > xvaljaaxъ
• nositi (nos-) > nos + ě + axъ > nošaaxъ
• pešti (pek-) > pek + ě + axъ > pečaaxъ
• čuti (čuj-) > čuj + ě + axъ > čujaaxъ

That the second form and not the first is the original one (the first being formed by the change of yat to a) is confirmed by the imperfect paradigm of the verb byti:

Verb	Singular	Plural	Dual
byti	1. běaxъ 2. běaše 3. běaše	1. běaxomъ 2. běašete 3. běaxǫ	1. běaxově 2. běašeta 3. běašete

Participles

Present active participle

The present active participle is formed by adding the following endings to the present stem:

1. e-type verbs and athematic verbs:

• present stem + -y (masculine and neuter) and -ǫšti (feminine)

(e.g., greti (greb-) > greby; grebǫšti)

2. e-type verbs whose present stem ends in a palatal:

• present stem + -ę (masculine and neuter) and -ǫšti (feminine)

(e.g., kupovati (kupuj-) > kupuję, kupujǫšti)

3. i-type verbs:

• present stem + -ę (masculine and neuter) and -ęšti (feminine)

(e.g., ljubiti (ljub-) > ljubę, ljubęšti)

Present passive participle

The present passive participle is formed by suffixing to the present stem the endings -o/e/i + m + ъ/a/o (masculine, feminine, neuter):

1. e-type verbs and athematic verbs:

• present stem + o + m + ъ/a/o

(e.g., pešti (pek-) > pekomъ, pekoma, pekomo)

2. e-type verbs whose stem ends in a palatal:

• present stem + e + m + ъ/a/o

(e.g., želeti (želj-) > željemъ, željema, željemo)

3. i-type verbs:

• present stem + i + m + ъ/a/o

(e.g., xvaliti (xval-) > xvalimъ, xvalima, xvalimo)

Past active participle

The past active participle is formed by suffixing to the infinitive stem the following endings:

1. e-type verbs and athematic verbs:

• infinitive stem + -ъ (masculine and neuter) or -ъši (feminine)

(e.g., bosti (bod-) > bodъ, bodъši)

2. i-type verbs exhibit epenthetic v, which eliminates hiatus:

• infinitive stem + -vъ (masculine and neuter) or -vъši (feminine)

(e.g., xvaliti (xvali-) > xvalivъ, xvalivъši)

The latter i-type verbs have twofold forms of this participle – the mentioned one of older origin, and a newer one which arose due to analogical leveling:

• nositi (nosi-) > nošъ, nošъši (by iotation from + jъ, jъši) or nosivъ, nosivъši
• roditi (rod-) > roždъ, roždъši (by iotation from + jъ, jъši) or rodivъ, rodivъši

3. Verbs with liquid metathesis form this participle from its older stem form:

• mrěti (< *merti) > mьrъ, mьrъši (and not mrěvъ, mrěvъši)
• prostrěti (< *prosterti) > prostьrъ, prostьrъši (and not prostrěvъ, prostrěvъši)

4. Irregular participles:

• iti > šьdъ, šьdъši
• jaxati > javъ, javъši

l-participle

The l-participle (also known as the resultative participle or second past active participle) is formed by adding to the infinitive stem the interfix -l- and the endings ъ/a/o. If the stem ends in -t or -d, this consonant is dropped.

• xvaliti (xvali) > xvalilъ, xvalila, xvalilo
• plesti (plet-) > plelъ, plela, plelo

Past passive participle

The past passive participle is formed by suffixing to the infinitive stem the following endings:

1. Verbs with stem ending in a consonant, -y or -i:

• infinitive stem + en + ъ/a/o

(e.g., bosti (bod-) > bodenъ, bodena, bodeno)

(e.g., nositi (nosi-) > nošenъ, nošena, nošeno – by iotation from nosi + enъ > nosjenъ > nošenъ)

(e.g., umyti with interfix -ъv- > umъvenъ, umъvena, umъveno)

2. Verbs with stem ending in -a or -ě:

• infinitive stem + n + ъ/a/o

(e.g., glagolati (glagola-) > glagolanъ, glagolana, glagolano)

(e.g., viděti (vidě-) > vižden, viždena, viždeno – by iotation from viděn, viděna, viděno)

3. Verbs with stem ending in -ę, -u, -i and -ě (obtained by liquid metathesis):

• infinitive stem + t + ъ/a/o

(e.g., klęti (klę-) > klętъ, klęta, klęto)

(e.g., obuti (obu-) > obutъ, obuta, obuto)

(e.g., mrěti (mrě-) > mrětъ, mrěta, mrěto)

(e.g., viti (vi-) > vitъ, vita, vito)

Of the latter verbs, those with stem ending in -i (viti, biti etc.) can also form the past passive participle like the verbs in the first group: bitъ or bijenъ, vitъ or vijenъ etc.).

Compound tenses

Perfect

The perfect is formed by combining the l-participle with the imperfective present forms of the auxiliary verb byti.

• nosilъ/a/o jesmь, jesi, jestъ
• nosili/y/a jesmъ, jeste, sǫtь
• nosila/ě/ě jesvě, jesta, jeste

Pluperfect

The pluperfect can be formed in multiple ways, by combining the l-participle with the perfect, imperfect or aorist formation of the auxiliary verb byti.

• nosilъ/a/o bylъ/a/o jesmь or běaxъ or běxъ
• nosili/y/a byli/y/a jesmъ or běaxomъ or běxomъ
• nosila/ě/ě byla/ě/ě jesvě or běaxově or běxově

Future

The future tense is usually expressed using the present tense form of the perfective verb. Imperfective verbs form the future tense by combining the auxiliary verb (byti, xotěti, načęti, iměti) and the infinitive.

• bǫdǫ / xoštǫ / načьnǫ / imamь xvaliti

Future perfect

The future perfect is formed by combining the l-participle with the perfective present of the auxiliary verb byti.

• nosilъ/a/o bǫdǫ, bǫdeši, bǫdetъ
• nosili/y/a bǫdemъ, bǫdete, bǫdǫtъ
• nosila/ě/ě bǫdevě, bǫdeta, bǫdete

Conditional

The conditional (or conditional-optative) modal formation is formed by combining the l-participle with special modal forms of the auxiliary verb byti (with unattested dual forms):

• nosilъ/a/o bimь, bi, bi
• nosili/y/a bimъ, biste, bǫ/bišę

An alternative conditional is formed with the perfective aorist forms of byti:

• nosilъ/a/o byxъ, by, by
• nosili/y/a byxomъ, byste, byšę

Adverbs

Primary adverbs

These are original adverbs with difficult to guess etymology and origin.

• abьje (abije) = right away
• jedъva = hardly, barely
• ješte = yet, still
• nyně = now, today
• paky = again, back
• (j)uže = already

Derived adverbs

Pronominal adverbs

Pronominal adverbs are derived by suffixing pronouns (e.g., ov + amo = ovamo, kъ + de = kъde):

• -amo = direction of movement (tamo, kamo, onamo)
• -ako / -ače = way, mode, manner (tako, inako, inače)
• -de = place (sьde, onude, vьsьde)
• -gda = time (tъgda, kъgda, egda)
• -lь / -li / / -lě / -lьma / -lьmi = measure, amount (kolь, kolě, kolьmi)

Nominal adverbs

Nominal adverbs are derived from nominals or turn by conversion to adverbs which are in fact inflective lexemes with adverbial semantics.

Modal adverbs are created with the suffixes -o or -ě (the endings of accusative and locative singular neuter gender respectively), with no difference in meanings between suffixes, although some adverbs have only the forms in -o (veselo), and some in -ě (javě).

Modal adverbs could also be formed deadjectivally by means of the interfix -ьsk- and the ending -y (by origin, the instrumental plural ending; e.g., slověnьsky).

Adverbs could also be formed with the suffix -ь (pravь, različь) and are by origin probably inherited Proto-Slavic accusative forms.

Frequently occurring are the adverbialized a-stem instrumentals such as jednьnojǫ and also adverbially used oblique cases.

Locative adverbs are by origin mostly petrified locative case forms of nouns: gorě, dolě, nizu, and the same can be said for temporal adverbs: zimě, polu dьne.

Prepositions

Primary prepositions

The primary and non-derived prepositions are of PIE and PSl. heritage:

• bez "without" + G
• iz or is "from, out" + G

  izdrǫky < iz rǫky — from the hand

• kъ "to, for, unto" + D

  ..reče že Marθa kъ Iisusu.. — and Martha said unto Jesus

• na "on, to, upon" + A (denoting direction) or L (denoting place)

  zlijašę ognь na zemьjǫ — they poured fire on earth

• nadъ "on, upon, over" + A (denoting direction) or I (denoting place)

  nadъ glavǫ — over the head

• o or ob "over, round, about" + A (denoting direction) or L (denoting place)

  ob noštь vьsǫ — the whole night through

• otъ "from, away" + G

  otъ nebese — from heaven

• po originally "under, below" + D (extension in space), A (extension in space or time) or L (temporal and local)

  po vьsę grady — through all towns

  po tomь že — after that

  po morjǫ xodę — walking over the sea

• podъ "under, beneath" + A (denoting direction) or I (denoting situation, location)

  podъ nogy, podъ nogama — under the feet

• pri "at, at the time" + L

  pri vraƷěxъ — among the heathen

• prědъ "in front of, before" + A (denoting direction) or I (denoting situation)

  prědъ gradomь — in the vicinity of the city

• sъ "for the extent of" + A, "from, off, away" + G, "with" + I (denoting association, not instrument)

  sъ lakъtь — a cubit long

  sъ nebese — down from heaven

  sъ nimь — with him

• u "at, in" + G

  u dvьrьcь — at the doors

• vъ "in" + A (denoting direction) or L (denoting place)

  vъ tъ dьnь — that day

  vъ kupě — together

• vъz or vъs "for, in exchange for" + A

  vъs kǫjǫ — why?

• za "for, after, behind" + A (denoting direction), I (denoting place) or G (in the sense "because")

  ęti za vlasy — to seize by the hair

Secondary prepositions

The secondary prepositions are derived from adverbial expressions: vьslědъ from vь slědъ, prěžde is a comparative form of prědъ etc.

Conjunctions and particles

Conjunctions and particles are not easily separable because they sometimes function as an intensifier, and sometimes as a conjunction.

• a, ali "but" – (proclitic), setting two parts of a statement in opposition
• ako, jako, ěko "that, so that, how, when, as" – (proclitic) introducing indirect or direct speech; highly context-dependent
• ašte "if, whether" – (proclitic) a conditional particle, also used to generalize relative pronouns
• bo "for, because" – (enclitic) denoting caustive relationships (i + bo = ibo, u + bo = ubo)
• da "in order that" – (proclitic) introducing final result
• i "and; even, too" – (proclitic) connecting clauses or used as an adverb within a clause
• ide "for, since" – (proclitic)
• jegda, jegdaže "when, if" – (proclitic)
• jeda "surely not" – (proclitic), introducing a question expecting a negative answer
• li "or", li...li "either... or" – (proclitic or enclitic) generally when forming a question; when enclitic, usually a direct question, when proclitic, taking the meaning "or"
• ne "not", ne...ni "neither... nor" – ne generally occurs before the negated item, occurring usually once in the main clause, but ni may occur several times in the same clause
• nъ "but" – (proclitic) connecting two clauses
• to "then, so" – (proclitic) correlative to ašte
• že "on the other hand, or, and" – (enclitic) the commonest particle functioning both as an intensifier and a conjunction; often bound to pronouns and adverbs (jakože, nikъto že)

Notes

References

• Damjanović, Stjepan (2004), Slovo iskona (in Croatian), Zagreb: Matica hrvatska, ISBN  953-150-567-5
• Hamm, Josip (1974), Staroslavenska gramatika (in Croatian), Zagreb: Školska knjiga
• Damjanović, Stjepan (2003), Staroslavenski jezik (in Croatian), Zagreb: Hrvatska sveučilišna naklada, ISBN  953-169-095-2
• Gardiner, S.C. (1984). Old Church Slavonic: An Elementary Grammar. Cambridge, UK: Cambridge University Press. ISBN  978-0-521-09164-0.
• Huntley, David (1993), "Old Church Slavonic", in Bernard Comrie and Greville G. Corbett (ed.), The Slavonic languages, London & New York: Routledge, ISBN  978-0-415-28078-5

External links

• (in Croatian) Gramatika jezika hèrvatskoga: Osnovana na starobugarskoj slověnštini, Vatroslav Jagić, 1864
• (in Bulgarian) Старобългарски език — кратък граматичен очерк, Кирил Мирчев, София 1972
• (in English) Old Church Slavonic Online, University of Texas at Austin
• (in Latin) Abecedarium Palaeoslovenicum in usum glagolitarum, Josip Vajs, Veglae 1909.
• (in Russian) Кульбакин С. М. Древнецерковнославянский язык. I. Введение. Фонетика. — Kharkiv, 1911
• (in English) Research Guide to Old Church Slavonic