demoustrer

Old French

Alternative forms

• demonstrer
• demustrer

Etymology

From Latin demonstro, demonstrare.

Verb

demoustrer

1. to show; to demonstrate

Conjugation

This verb conjugates as a first-group verb ending in -er. In the present tense an extra supporting e is needed in the first-person singular indicative and throughout the singular subjunctive, and the third-person singular subjunctive ending -t is lost. Old French conjugation varies significantly by date and by region. The following conjugation should be treated as a guide.

    Conjugation of demoustrer (see also Appendix:Old French verbs)

		simple			compound
infinitive		demoustrer			avoir demoustré
gerund		en demoustrant			gerund of avoir + past participle
present participle		demoustrant
past participle		demoustré
person		singular			plural
		first	second	third	first	second	third
indicative		jo	tu	il	nos	vos	il
simple tenses	present	demoustre	demoustres	demoustre	demoustrons	demoustrez	demoustrent
	imperfect	demoustroie, demoustreie, demoustroe, demoustreve	demoustroies, demoustreies, demoustroes, demoustreves	demoustroit, demoustreit, demoustrot, demoustreve	demoustriiens, demoustriens	demoustriiez, demoustriez	demoustroient, demoustreient, demoustroent, demoustrevent
	preterite	demoustrai	demoustras	demoustra	demoustrames	demoustrastes	demoustrerent
	future	demoustrerai	demoustreras	demoustrera	demoustrerons	demoustreroiz, demoustrereiz, demoustrerez	demoustreront
	conditional	demoustreroie, demoustrereie	demoustreroies, demoustrereies	demoustreroit, demoustrereit	demoustreriiens, demoustreriens	demoustreriiez, demoustreriez	demoustreroient, demoustrereient
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	demoustre	demoustres	demoustre	demoustrons	demoustrez	demoustrent
	imperfect	demoustrasse	demoustrasses	demoustrast	demoustrissons, demoustrissiens	demoustrissoiz, demoustrissez, demoustrissiez	demoustrassent
compound tenses	past	present subjunctive of avoir + past participle
	pluperfect	imperfect subjunctive of avoir + past participle
imperative		–	tu	–	nos	vos	–
		—	demoustre	—	demoustrons	demoustrez	—

Descendants

• Middle French: demonstrer
  • French: démontrer