Infinitives
| Infinitive I | kostudak |
| Infinitive II | kostudë |
Supine
kostuma
Verbal Noun
kostuminën
Participles
| Active Present | kostuba |
| Passive Present | kostudapa; kostuttapa |
| Active Past | kostunut |
| Passive Past | kostudu; kostuttu |
Indicative
Present
| Sg.1 | kostun |
| Sg.2 | kostut |
| Sg.3 | kostubi; kostu |
| Pl.1 | kostukma |
| Pl.2 | kostukta |
| Pl.3 | kostubat; kostu |
Past
| Sg.1 | kostuin |
| Sg.2 | kostuit |
| Sg.3 | kostui |
| Pl.1 | kostuima |
| Pl.2 | kostuida |
| Pl.3 | kostui |
Present
| Passive | kostuksën; kostut'aksën; kostudapa; kostuttapa |
| Connegative | kostuk |
| Passive Connegative | kostuktak |
Past
| Passive | kostudisën; kostuttisën; kostudu; kostuttu |
Imperative
| Sg.2 | kostuk |
| Sg.3 | kostugasën |
| Pl.1 | kostugatëma |
| Pl.2 | kostugata |
| Pl.3 | kostugasën |
Optative
| Sg.1 | kostugon |
| Sg.2 | kostugos |
| Sg.3 | kostugosën |
| Pl.1 | kostugotëma |
| Pl.2 | kostugotta |
| Pl.3 | kostugosën |
Imperative
| Passive | kostudakahën; kostuttakahën |
| Connegative | kostugak |
| Passive Connegative | kostudagak; kostuttagak |
Optative
| Passive | kostudakohën; kostuttakohën |
| Connegative | kostugok |
| Passive Connegative | kostudagok; kostuttagok |
Conditional I
| Sg.1 | kostukcin |
| Sg.2 | kostukcit |
| Sg.3 | kostukci |
| Pl.1 | kostukcima |
| Pl.2 | kostukcita |
| Pl.3 | kostukci |
Conditional II
| Sg.1 | kostuicin |
| Sg.2 | kostuicit |
| Sg.3 | kostuici |
| Pl.1 | kostuicima |
| Pl.2 | kostuicita |
| Pl.3 | kostuici |
Conditional I
| Passive | kostudakcihën; kostut'akcihën |
| Connegative | kostukcik |
| Passive Connegative | kostudakcik; kostut'akcik |
Conditional II
| Passive | kostudicihën; kostutticihën |
| Connegative | kostuicik |
| Passive Connegative | kostudicik; kostutticik |
Potential
| Sg.1 | kostunën |
| Sg.2 | kostunët |
| Sg.3 | kostuni |
| Pl.1 | kostunëma |
| Pl.2 | kostunëta |
| Pl.3 | kostuni |
Potential
| Passive | kostudanëhën; kostuttanëhën |
| Connegative | kostunëk |
| Passive Connegative | kostudanëk; kostuttanëk |
Verbs conjugated like kostudak
laihtudak,
uskodak,
paisudak,
huhtodak,
lausudak,
pursudak,
istudak,
kustudak,
kuuludak,
nivodak,
survodak,
torjudak,
loksudak,
uinudak,
hëiludak,
ulvodak,
toivodak,
lauhtudak,
nockudak,
hëërodak, etc. (List truncated at 20 verbs)
Etymology
Probably from *kostadak (“to turn back”) + *-udak.
Sample Sentences