This verb conjugates as a third-group verb. This verb ends in a palatal stem, so there is an extra i before the e of some endings. 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-treire
avoir treit
gerund
en fro-conj-treiant
gerund of avoir + past participle
present participle
fro-conj-treiant
past participle
treit
person
singular
plural
first
second
third
first
second
third
indicative
jo
tu
il
nos
vos
il
simple tenses
present
fro-conj-trei
fro-conj-treis
fro-conj-treit
fro-conj-treions
fro-conj-treiiez , treites
fro-conj-treient
imperfect
fro-conj-treioie , fro-conj-treieie
fro-conj-treioies , fro-conj-treieies
fro-conj-treioit , fro-conj-treieit
fro-conj-treiiiens , fro-conj-treiiens
fro-conj-treiiiez , fro-conj-treiiez
fro-conj-treioient , fro-conj-treieient
preterite
fro-conj-treis
fro-conj-treisis
fro-conj-treist
fro-conj-treisimes
fro-conj-treisistes
fro-conj-treistrent
future
fro-conj-treirai
fro-conj-treiras
fro-conj-treira
fro-conj-treirons
fro-conj-treiroiz , fro-conj-treireiz , fro-conj-treirez
fro-conj-treiront
conditional
fro-conj-treiroie , fro-conj-treireie
fro-conj-treiroies , fro-conj-treireies
fro-conj-treiroit , fro-conj-treireit
fro-conj-treiriiens , fro-conj-treiriens
fro-conj-treiriiez , fro-conj-treiriez
fro-conj-treiroient , fro-conj-treireient
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-treie
fro-conj-treies
fro-conj-treie
fro-conj-treiiens , fro-conj-treions
fro-conj-treiiez
fro-conj-treient
imperfect
fro-conj-treisisse
fro-conj-treisisses
fro-conj-treisist
fro-conj-treisissons , fro-conj-treisissiens
fro-conj-treisissoiz , fro-conj-treisissez , fro-conj-treisissiez
fro-conj-treisissent
compound tenses
past
present subjunctive of avoir + past participle
pluperfect
imperfect subjunctive of avoir + past participle
imperative
–
tu
–
nos
vos
–
—
fro-conj-trei
—
fro-conj-treions
fro-conj-treiiez
—