From Proto-Finnic *-ait'ak. Dialectally the infinitive stem may also be -a(i)ta.
-ajaa (front vowel harmony variant -äjää, stem -aja-, linguistic notation -AjA- or -AjAA) (archaic or dialectal)
| Note: These verbs are all archaic or dialectal. The paradigm presented here might not match all varieties, and some forms may effectively be theoretical. | |||||||||
| indicative | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| present | perfect | ||||||||
| person | positive | negative | person | positive | negative | ||||
| 1st sing. | -ajan | en -aja | 1st sing. | olen -annut | en ole -annut | ||||
| 2nd sing. | -ajat | et -aja | 2nd sing. | olet -annut | et ole -annut | ||||
| 3rd sing. | -ajaa | ei -aja | 3rd sing. | on -annut | ei ole -annut | ||||
| 1st plur. | -ajamme | emme -aja | 1st plur. | olemme -anneet | emme ole -anneet | ||||
| 2nd plur. | -ajatte | ette -aja | 2nd plur. | olette -anneet | ette ole -anneet | ||||
| 3rd plur. | -ajavat | eivät -aja | 3rd plur. | ovat -anneet | eivät ole -anneet | ||||
| passive | -ataan | ei -ata | passive | on -attu | ei ole -attu | ||||
| past | pluperfect | ||||||||
| person | positive | negative | person | positive | negative | ||||
| 1st sing. | -ajin//-asin | en -annut | 1st sing. | olin -annut | en ollut -annut | ||||
| 2nd sing. | -ajit//-asit | et -annut | 2nd sing. | olit -annut | et ollut -annut | ||||
| 3rd sing. | -aji//-asi | ei -annut | 3rd sing. | oli -annut | ei ollut -annut | ||||
| 1st plur. | -ajimme//-asimme | emme -anneet | 1st plur. | olimme -anneet | emme olleet -anneet | ||||
| 2nd plur. | -ajitte//-asitte | ette -anneet | 2nd plur. | olitte -anneet | ette olleet -anneet | ||||
| 3rd plur. | -ajivat//-asivat | eivät -anneet | 3rd plur. | olivat -anneet | eivät olleet -anneet | ||||
| passive | -attiin | ei -attu | passive | oli -attu | ei ollut -attu | ||||
| conditional | |||||||||
| present | perfect | ||||||||
| person | positive | negative | person | positive | negative | ||||
| 1st sing. | -ajaisin | en -ajaisi | 1st sing. | olisin -annut | en olisi -annut | ||||
| 2nd sing. | -ajaisit | et -ajaisi | 2nd sing. | olisit -annut | et olisi -annut | ||||
| 3rd sing. | -ajaisi | ei -ajaisi | 3rd sing. | olisi -annut | ei olisi -annut | ||||
| 1st plur. | -ajaisimme | emme -ajaisi | 1st plur. | olisimme -anneet | emme olisi -anneet | ||||
| 2nd plur. | -ajaisitte | ette -ajaisi | 2nd plur. | olisitte -anneet | ette olisi -anneet | ||||
| 3rd plur. | -ajaisivat | eivät -ajaisi | 3rd plur. | olisivat -anneet | eivät olisi -anneet | ||||
| passive | -ajattaisiin | ei -attaisi | passive | olisi -attu | ei olisi -attu | ||||
| imperative | |||||||||
| present | perfect | ||||||||
| person | positive | negative | person | positive | negative | ||||
| 1st sing. | – | – | 1st sing. | – | – | ||||
| 2nd sing. | -aja | älä -aja | 2nd sing. | – | – | ||||
| 3rd sing. | -atkoon | älköön -atko | 3rd sing. | olkoon -annut | älköön olko -annut | ||||
| 1st plur. | -atkaamme | älkäämme -atko | 1st plur. | – | – | ||||
| 2nd plur. | -atkaa | älkää -atko | 2nd plur. | – | – | ||||
| 3rd plur. | -atkoot | älkööt -atko | 3rd plur. | olkoot -anneet | älkööt olko -anneet | ||||
| passive | -attakoon | älköön -attako | passive | olkoon -attu | älköön olko -attu | ||||
| potential | |||||||||
| present | perfect | ||||||||
| person | positive | negative | person | positive | negative | ||||
| 1st sing. | -annen | en -anne | 1st sing. | lienen -annut | en liene -annut | ||||
| 2nd sing. | -annet | et -anne | 2nd sing. | lienet -annut | et liene -annut | ||||
| 3rd sing. | -annee | ei -anne | 3rd sing. | lienee -annut | ei liene -annut | ||||
| 1st plur. | -annemme | emme -anne | 1st plur. | lienemme -anneet | emme liene -anneet | ||||
| 2nd plur. | -annette | ette -anne | 2nd plur. | lienette -anneet | ette liene -anneet | ||||
| 3rd plur. | -annevat | eivät -anne | 3rd plur. | lienevät -anneet | eivät liene -anneet | ||||
| passive | -attaneen | ei -attane | passive | lienee -attu | ei liene -attu | ||||
| Nominal forms | |||||||||
| infinitive | participle | ||||||||
| active | passive | active | passive | ||||||
| 1st | -ajaa//-ata | present | -ajava | -attava | |||||
| long 1st1 | -atakseen 2 | past | -annut | -attu | |||||
| 2nd | inessive2 | -atessa 1 | -attaessa | agent4 | -ajama 1, 3 | ||||
| instructive | -aten | – | negative | -ajamaton | |||||
| 3rd | inessive | -ajamassa | – | 1) Used only with a possessive suffix; this is the form for the third-person singular and third-person plural.
2) Usually with a possessive suffix (active only). | |||||
| elative | -ajamasta | – | |||||||
| illative | -ajamaan | – | |||||||
| adessive | -ajamalla | – | |||||||
| abessive | -ajamatta | – | |||||||
| instructive | -ajaman | -ajattaman | |||||||
| 4th3 | verbal noun | -ajaminen | |||||||
| 5th1 | -ajamaisillaan 2 | ||||||||