Template:fro-conj-devoir

This verb conjugates as a third-group verb. This verb has a stressed present stem doiv distinct from the unstressed stem dev, as well as other irregularities. Old French conjugation varies significantly by date and by region. The following conjugation should be treated as a guide.

    Conjugation of fro-conj-devoir (see also Appendix:Old French verbs)

		simple			compound
infinitive		fro-conj-devoir			avoir deu
gerund		en devant			gerund of avoir + past participle
present participle		devant
past participle		deu
person		singular			plural
		first	second	third	first	second	third
indicative		jo	tu	il	nos	vos	il
simple tenses	present	doi	dois	doit	devons	devez	doivent
	imperfect	devoie, deveie	devoies, deveies	devoit, deveit	deviiens, deviens	deviiez, deviez	devoient, deveient
	preterite	dui	deüs	dut	deümes	deüstes	durent
	future	devrai	devras	devra	devrons	devroiz, devreiz, devrez	devront
	conditional	devroie, devreie	devroies, devreies	devroit, devreit	devriiens, devriens	devriiez, devriez	devroient, devreient
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	doie, doive	doies, doives	doie, doive	doiiens, doions, devons	doiiez, devez	doient, doivent
	imperfect	deüsse	deüsses	deüst	deüssons, deüssiens	deüssoiz, deüssez, deüssiez	deüssent
compound tenses	past	present subjunctive of avoir + past participle
	pluperfect	imperfect subjunctive of avoir + past participle
imperative		–	tu	–	nos	vos	–
		—	—	—	—	—	—