From Wiktionary, the free dictionary
This verb conjugates as a third-group verb. This verb has irregularities in its conjugation. Old French conjugation varies significantly by date and by region. The following conjugation should be treated as a guide.
simple
compound
infinitive
fro-conj-ardoir
avoir ars
gerund
en fro-conj-ardant
gerund of avoir + past participle
present participle
fro-conj-ardant
past participle
ars
person
singular
plural
first
second
third
first
second
third
indicative
jo
tu
il
nos
vos
il
simple tenses
present
fro-conj-art
fro-conj-arz
fro-conj-art
fro-conj-ardons
fro-conj-ardez
fro-conj-ardent
imperfect
fro-conj-ardoie , fro-conj-ardeie
fro-conj-ardoies , fro-conj-ardeies
fro-conj-ardoit , fro-conj-ardeit
fro-conj-ardiiens , fro-conj-ardiens
fro-conj-ardiiez , fro-conj-ardiez
fro-conj-ardoient , fro-conj-ardeient
preterite
ars
arsis
arst
arsimes
arsistes
arstrent
future
fro-conj-ardrai
fro-conj-ardras
fro-conj-ardra
fro-conj-ardrons
fro-conj-ardroiz , fro-conj-ardreiz , fro-conj-ardrez
fro-conj-ardront
conditional
fro-conj-ardroie , fro-conj-ardreie
fro-conj-ardroies , fro-conj-ardreies
fro-conj-ardroit , fro-conj-ardreit
fro-conj-ardriiens , fro-conj-ardriens
fro-conj-ardriiez , fro-conj-ardriez
fro-conj-ardroient , fro-conj-ardreient
compound tenses
present perfect
present tense of avoir + past participle
pluperfect
imperfect tense of avoir + past participle
past anterior
preterite tense of avoir + past participle
future perfect
future tense of avoir + past participle
conditional perfect
conditional tense of avoir + past participle
subjunctive
que jo
que tu
qu’il
que nos
que vos
qu’il
simple tenses
present
fro-conj-arde , arge
fro-conj-ardes , arges
fro-conj-arde , arge
fro-conj-ardons , argiens , arjons
fro-conj-ardez , argiez
fro-conj-ardent , argent
imperfect
arsisse
arsisses
arsist
arsissons , arsissiens
arsissoiz , arsissez , arsissiez
arsissent
compound tenses
past
present subjunctive of avoir + past participle
pluperfect
imperfect subjunctive of avoir + past participle
imperative
–
tu
–
nos
vos
–
—
fro-conj-art
—
fro-conj-ardons
fro-conj-ardez
—