This verb conjugates as a third-group verb. This verb has a stressed present stem siu distinct from the unstressed stem sev , as well as other irregularities. Old French conjugation varies significantly by date and by region. The following conjugation should be treated as a guide.
simple
compound
infinitive
fro-conj-sivre
avoir sivi , seü
gerund
en sevant , sivant
gerund of avoir + past participle
present participle
sevant , sivant
past participle
sivi , seü
person
singular
plural
first
second
third
first
second
third
indicative
jo
tu
il
nos
vos
il
simple tenses
present
siu
sius
siut
sevons , sivons
sevez , sivez
sivent , siuent
imperfect
sevoie , seveie , sivoie , siveie
sevoies , seveies , sivoies , siveies
sevoit , seveit , sivoit , siveit
seviiens , seviens , siviiens , siviens
seviiez , seviez , siviiez , siviez
sevoient , seveient , sivoient , siveient
preterite
sivi , sui
sivis , seüs
sivié , sut
sivimes , seümes
sivistes , seüstes
sivierent , surent
future
sevrai , sivrai , siurai
sevras , sivras , siuras
sevra , sivra , siura
sevrons , sivrons , siurons
sevroiz , sevreiz , sevrez , sivroiz , sivreiz , sivrez , siuroiz , siureiz , siurez
sevront , sivront , siuront
conditional
sevroie , sevreie , sivroie , sivreie , siuroie , siureie
sevroies , sevreies , sivroies , sivreies , siuroies , siureies
sevroit , sevreit , sivroit , sivreit , siuroit , siureit
sevriiens , sevriens , sivriiens , sivriens , siuriiens , siuriens
sevriiez , sevriez , sivriiez , sivriez , siuriiez , siuriez
sevroient , sevreient , sivroient , sivreient , siuroient , siureient
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
sive , siue
sives , siues
sive , siue
sevons , sivons
sevez , sivez
sivent , siuent
imperfect
sivisse , seüsse
sivisses , seüsses
sivist , seüst
sivissons , sivissiens , seüssons , seüssiens
sivissoiz , sivissez , sivissiez , seüssoiz , seüssez , seüssiez
sivissent , seüssent
compound tenses
past
present subjunctive of avoir + past participle
pluperfect
imperfect subjunctive of avoir + past participle
imperative
–
tu
–
nos
vos
–
—
siu
—
sevons , sivons
sevez , sivez
—