Modified Infinitive Forms in the Future Tense

Several verbs have modified infinitive forms in the future tense. These verbs have the same endings as the verbs shown in this post. The je form is given as a model for the entire conjugation except in the case of pleuvoir, which is used only in third-person form.

Verbs ending in -oir lose the oi in the future tense.

  • recevoir – je recevrai
  • décevoir – je décevrai
  • devoir – je devrai
  • pleuvoir – il pleuvra

Howeverprévoir (to foresee) and pourvoir (to supply) have the future forms je prévoirai and je pourvoirai. the future of s’asseoir is je m’assiérai.


Avoir and savoir lose the oi of the infinitive, and the final v of their stems changes to u.

  • avoir – j’aurai
  • savoir – je saurai

The future of il y a is il y aura (there will be).


Vouloir loses the oi of the infinitive, and the final l of the stem changes to d.

  • vouloir – je voudrai

Valoir (to be worth) and falloir (must) also lose the oi of the infinitive and modify the stem.

  • valoir – je vaudrai
  • falloir – il faudra

Tenir and venir change their stem vowels to ie, and the i of the infinitive changes to d.

  • tenir – je tiendrai
  • venir – je viendrai

Several verbs have rr in the future tense, sometimes with a modified stem.

  • acquérir – j’acquérrai
  • courir – je courrai
  • envoyer – j’enverrai
  • mourir – je mourrai
  • pouvoir – je pourrai
  • voir – je verrai

Three verbs have irregular stems in the future.

  • aller – j’irai
  • être – je serai
  • faire – je ferai

Most compounds of verbs that are irregular in the future show the same irregularities.

  • défaire (to undo) – je déferai
  • devenir (to become) – je deviendrai
  • revenir (to come back) – je reviendrai
  • soutenir (to support) – je soutiendrai

Have a fabulous week, everyone!

Merci à vous !

Courtney

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