26.1 Nominal Morphology
The chart below demonstrates the nominal morphology of a noun in each Proto-Slavic declension. The names of the stems reflect Proto-Indo-European terminology.
The example nouns used below are *noga "foot, leg" (Ā-Stem), *zemja "land" (JĀ-Stem), *gordъ "city, fortress" (Masculine O-Stem), *město "place" (Neuter O-Stem), *more "sea" (JO-Stem), *synъ "son" (U-Stem), *kьrky "church" (Ū-Stem), *pǫtь "path" (I-Stem), *slovo "word" (S-Stem), *mati "mother" (R-Stem), *kamy "stone" (N-Stem), and *agnę "lamb" (NT-Stem).
| Singular | ||||||||||||
| Ā-Stem | JĀ-Stem | O-Stem (M) | O-Stem (N) | JO-Stem | U-Stem | Ū-Stem | I-Stem | S-Stem | R-Stem | N-Stem | NT-Stem | |
| Nominative | noga | zemja | gordъ | město | more | synъ | kьrky | pǫtь | slovo | mati | kamy | agnę |
| Genitive | nogě | zemję | gorda | města | morja | synu | kьrkъve | pǫti | slovese | matere | kamene | agnęte |
| Accusative | nogǫ | zemjǫ | gordъ | město | more | synъ | kьrky | pǫtь | slovo | mati | kamy | agnę |
| Dative | nogě | zemji | gordu | městu | morju | synovi | kьrkъvi | pǫti | slovesi | materi | kameni | agnęti |
| Instrumental | nogojǫ | zemjejǫ | gordomь | městomь | moremь | synъmь | kьrkъvьjǫ | pǫtьmь | slovesьmь | materьmь | kamenьmь | agnętьmь |
| Locative | nogě | zemji | gordě | městě | morji | synu | kьrkъve | pǫti | slovese | materi | kamene | agnęte |
| Vocative | nogo | zemje | gorde | měste | morju | synu | kьrky | pǫti | slovo | mati | kamy | agnę |
| Dual | ||||||||||||
| Ā-Stem | JĀ-Stem | O-Stem (M) | O-Stem (N) | JO-Stem | U-Stem | Ū-Stem | I-Stem | S-Stem | R-Stem | N-Stem | NT-Stem | |
| Nom/Acc/Voc | nogě | zemji | gorda | městě | morji | syny | kьrkъvi | pǫti | slovesě | materi | kameni | agnętě |
| Gen/Loc | nogu | zemju | gordu | městu | morju | synovu | kьrkъvu | pǫtьju | slovesu | materu | kamenu | agnętu |
| Dat/Instr | nogama | zemjama | gordoma | městoma | morema | synъma | kьrkъvama | pǫtьma | slovesьma | materьma | kamenьma | agnętьma |
| Plural | ||||||||||||
| Ā-Stem | JĀ-Stem | O-Stem (M) | O-Stem (N) | JO-Stem | U-Stem | Ū-Stem | I-Stem | S-Stem | R-Stem | N-Stem | NT-Stem | |
| Nominative | nogy | zemję | gordi | města | morja | synove | kьrkъvi | pǫtьje | slovesa | materi | kamene | agnęta |
| Genitive | nogъ | zemjь | gordъ | městъ | morjь | synovъ | kьrkъvъ | pǫtьjь | slovesъ | materъ | kamene | agnętъ |
| Accusative | nogy | zemję | gordy | města | morja | syny | kьrkъvi | pǫti | slovesa | materi | kameni | agnęta |
| Dative | nogamъ | zemjamъ | gordomъ | městomъ | moremъ | synъmъ | kьrkъvamъ | pǫtьmъ | slovesьmъ | materьmъ | kamenьmъ | agnętьmъ |
| Instrumental | nogami | zemjami | gordy | městy | morji | synъmi | kьrkъvami | pǫtьmi | slovesy | materьmi | kamenьmi | agnęty |
| Locative | nogaxъ | zemjaxъ | gorděxъ | městěxъ | morjixъ | synъxъ | kьrkъvaxъ | pǫtьxъ | slovesьxъ | materьxъ | kamenьxъ | agnętьxъ |
| Vocative | nogy | zemję | gordi | města | morja | synove | kьrkъvi | pǫtьje | slovesa | materi | kamene | agnęta |
26.2 Adjectival Morphology
The following table demonstratives the adjectival morphology of Proto-Slavic. Below are the indefinite forms (top left) and definite (top right). Below those are the short form comparative (bottom left) and long form comparative (bottom right). The example used here is *dobrъ "good, kind", except for the short comparative, where *vysъ "high" is used.
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The superlative was formed with a prefixed naj-.
26.3 Verbal Morphology
Proto-Slavic verbs may be grouped in five primary classes.
The first conjugation includes verbs that gain -e- in the present tense, and is demonstrated with *nesti "carry" below. The second conjugation consists of verbs that gain the suffix -n-, demonstrated with *dvignǫti "move". The third conjugation includes verbs that gain the suffix -je- in the present tense, demonstrated with *znati "know" (with a vocalic stem) and *pьsati "write" (with a consonantal stem). The fourth conjugation features -i-, demonstrated with *ljubiti "love". The fifth conjugation includes the five athematic verbs, demonstrated with *dati "give" below.
| Non-Finite Forms | ||||||
| I | II | III | III | IV | V | |
| Infinitive | nesti | dvignǫti | znati | pьsati | ljubiti | dati |
| Supine | nestъ | dvignǫtъ | znatъ | pьsatъ | ljubitъ | datъ |
| Present Tense | ||||||
| I | II | III | III | IV | V | |
| 1Sg | nesǫ | dvignǫ | znajǫ | pьsjǫ | ljubjǫ | damь |
| 2Sg | nesešь | dvignešь | znaješь | pьsješь | ljubišь | dasi |
| 3Sg | nesetь | dvignetь | znajetь | pьsjetь | ljubitь | dastь |
| 1Dl | neseva | dvigneva | znajeva | pьsjeva | ljubiva | dava |
| 2Dl | neseta | dvigneta | znajeta | pьsjeta | ljubita | dasta |
| 3Dl | neseta | dvigneta | znajeta | pьsjeta | ljubita | dasta |
| 1Pl | nesemъ | dvignemъ | znajemъ | pьsjemъ | ljubimъ | damo |
| 2Pl | nesete | dvignete | znajete | pьsjete | ljubite | daste |
| 3Pl | nesǫtь | dvignǫtь | znajǫtь | pьsjǫtь | ljubętь | dadǫtь |
| Imperfect Tense | ||||||
| I | II | III | III | IV | V | |
| 1Sg | nesěaxъ | dvigněaxъ | znaaxъ | pьsaaxъ | ljubjaaxъ | daděaxъ |
| 2Sg | nesěaše | dvigněaše | znaaše | pьsaaše | ljubjaaše | daděaše |
| 3Sg | nesěaše | dvigněaše | znaaše | pьsaaše | ljubjaaše | daděaše |
| 1Dl | nesěaxova | dvigněaxova | znaaxova | pьsaaxova | ljubjaaxova | daděaxova |
| 2Dl | nesěašeta | dvigněašeta | znaašeta | pьsaašeta | ljubjaašeta | daděašeta |
| 3Dl | nesěašeta | dvigněašeta | znaašeta | pьsaašeta | ljubjaašeta | daděašeta |
| 1Pl | nesěaxomъ | dvigněaxomъ | znaaxomъ | pьsaaxomъ | ljubjaaxomъ | daděaxomъ |
| 2Pl | nesěašete | dvigněašete | znaašete | pьsaašete | ljubjaašete | daděašete |
| 3Pl | nesěaxǫ | dvigněaxǫ | znaaxǫ | pьsaaxǫ | ljubjaaxǫ | daděaxǫ |
| Aorist Tense | ||||||
| I | II | III | III | IV | V | |
| 1Sg | nesoxъ | dvigoxъ | znaxъ | pьsaxъ | ljubixъ | daxъ |
| 2Sg | nese | dvige | zna | pьsa | ljubi | da |
| 3Sg | nese | dvige | zna | pьsa | ljubi | da |
| 1Dl | nesoxova | dvigoxova | znaxova | pьsaxova | ljubixova | daxova |
| 2Dl | nesosta | dvigosta | znasta | pьsasta | ljubista | dasta |
| 3Dl | nesosta | dvigosta | znasta | pьsasta | ljubista | dasta |
| 1Pl | nesoxomъ | dvigoxomъ | znaxomъ | pьsaxomъ | ljubixomъ | daxomъ |
| 2Pl | nesoste | dvigoste | znaste | pьsaste | ljubiste | daste |
| 3Pl | nesošę | dvigošę | znašę | pьsaxǫ | ljubixǫ | dašǫ |
| Imperative Mood | ||||||
| I | II | III | III | IV | V | |
| 2Sg | nesi | dvigni | znaji | pьsji | ljubi | dadjь |
| 3Sg | nesi | dvigni | znaji | pьsji | ljubi | dadjь |
| 1Dl | nesěva | dvigněva | znajiva | pьsjiva | ljubiva | dadiva |
| 2Dl | nesěta | dvigněta | znajita | pьsjita | ljubita | dadita |
| 1Pl | nesěmъ | dvigněmъ | znajimъ | pьsjimъ | ljubimъ | dadimъ |
| 2Pl | nesěte | dvigněte | znajite | pьsjite | ljubite | dadite |
The above represents the forms used among the North and East Slavs, that is, the forms that Novegradian originated from. There existed considerable dialectical variation, however. In the present tense 2sg, the ending could also be *-ši in addition to *-šь. The final yer in the 3sg and 3pl of the past could be front or back. The 1dl ending in all tenses could be *-vě in addition to *-va. The 3dl could be identical to the 2pl instead of the 2dl. The vowels seen in the imperfect and aorist tenses also tended to be somewhat variable.
The verb *byti "be" has two tenses no other verb has, a future and a conditional. The conditional, however, was frequently contaminated by aorist forms (shown in the third column).
| *byti Anomolous Tenses | |||
| Future | Conditional | Aorist | |
| 1Sg | bǫdǫ | bimь | byxъ |
| 2Sg | bǫdešь | bi | by |
| 3Sg | bǫdetь | bi | by |
| 1Dl | bǫdeva | biva | byxova |
| 2Dl | bǫdeta | bista | bysta |
| 3Dl | bǫdeta | bista | bysta |
| 1Pl | bǫdemъ | bimъ | byxomъ |
| 2Pl | bǫdete | bite | byste |
| 3Pl | bǫdǫtь | bǫ | byšę |