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Conjugation of the French verb déduire

A list of the common conjugations for the French verb déduire, along with their English translations.

déduire is an irregular verb

Verb phrases

Infinitive		Scored
déduire	to deduce

Present		Scored
je déduis	I deduce
tu déduis	you deduce
il déduit	he deduces
elle déduit	she deduces
nous déduisons	we deduce
vous déduisez	you deduce
ils déduisent	they deduce
elles déduisent	they deduce

Imperfect		Scored
je déduisais	I was deducing
tu déduisais	you were deducing
il déduisait	he was deducing
elle déduisait	she was deducing
nous déduisions	we were deducing
vous déduisiez	you were deducing
ils déduisaient	they were deducing
elles déduisaient	they were deducing

Past Historic / Passé Simple This is a literary tense, i.e. a tense used in writing, in everyday speech the Passé Composé is used to refer to past actions.		Scored
je déduisis	I deduced
tu déduisis	you deduced
il déduisit	he deduced
elle déduisit	she deduced
nous déduisîmes	we deduced
vous déduisîtes	you deduced
ils déduisirent	they deduced
elles déduisirent	they deduced

Passé Composé		Scored
j'ai déduit	I have deduced
tu as déduit	you have deduced
il a déduit	he has deduced
elle a déduit	she has deduced
nous avons déduit	we have deduced
vous avez déduit	you have deduced
ils ont déduit	they have deduced
elles ont déduit	they have deduced

Pluperfect / Plus-que-parfait		Scored
j'avais déduit	I had deduced
tu avais déduit	you had deduced
il avait déduit	he had deduced
elle avait déduit	she had deduced
nous avions déduit	we had deduced
vous aviez déduit	you had deduced
ils avaient déduit	they had deduced
elles avaient déduit	they had deduced

Future		Scored
je déduirai	I will deduce
tu déduiras	you will deduce
il déduira	he will deduce
elle déduira	she will deduce
nous déduirons	we will deduce
vous déduirez	you will deduce
ils déduiront	they will deduce
elles déduiront	they will deduce

Future Perfect / Futur antérieur The French Future Perfect or Futur antérieur is made with the future tense of avoir or être and the past participle of the verb. The past participle agrees with the subject for verbs that take être, or with the direct object for verbs that take avoir.		Scored
j'aurai déduit	I will have deduced
tu auras déduit	you will have deduced
il aura déduit	he will have deduced
elle aura déduit	she will have deduced
nous aurons déduit	we will have deduced
vous aurez déduit	you will have deduced
ils auront déduit	they will have deduced
elles auront déduit	they will have deduced

Conditional		Scored
je déduirais	I would deduce
tu déduirais	you would deduce
il déduirait	he would deduce
elle déduirait	she would deduce
nous déduirions	we would deduce
vous déduiriez	you would deduce
ils déduiraient	they would deduce
elles déduiraient	they would deduce

Conditional Perfect / Conditionnel passé The French Conditional Perfect (the past conditional) or Conditionnel passé is made with the conditional tense of avoir or être and the past participle of the verb. The past participle agrees with the subject for verbs that take être, or with the direct object for verbs that take avoir.		Scored
j'aurais déduit	I would have deduced
tu aurais déduit	you would have deduced
il aurait déduit	he would have deduced
elle aurait déduit	she would have deduced
nous aurions déduit	we would have deduced
vous auriez déduit	you would have deduced
ils auraient déduit	they would have deduced
elles auraient déduit	they would have deduced

Present Subjunctive		Scored
(... que) je déduise	(... that) I deduce
(... que) tu déduises	(... that) you deduce
(... que) il déduise	(... that) he deduces
(... que) elle déduise	(... that) she deduces
(... que) nous déduisions	(... that) we deduce
(... que) vous déduisiez	(... that) you deduce
(... que) ils déduisent	(... that) they deduce
(... que) elles déduisent	(... that) they deduce

Imperfect Subjunctive		Scored
(... que) je déduisisse	(... that) I was deducing
(... que) tu déduisisses	(... that) you were deducing
(... que) il déduisît	(... that) he was deducing
(... que) elle déduisît	(... that) she was deducing
(... que) nous déduisissions	(... that) we were deducing
(... que) vous déduisissiez	(... that) you were deducing
(... que) ils déduisissent	(... that) they were deducing
(... que) elles déduisissent	(... that) they were deducing

Imperative		Scored
déduis	Deduce
déduisons	Let's deduce
déduisez	Deduce

Present Participle		Scored
déduisant	deducing

Past Participle		Scored
déduit	deduced

Regular conjugation

Irregular conjugation

Spelling change

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