This archaic, literary verb is rare outside of fixed expressions in the 3rd person singular of the present indicative. The infinitive is used only in combination with devoir or pouvoir as a semi-auxiliary.
infinitif : participe présent : participe passé : forme pronominale :
*Blue letters in conjugations are irregular
forms. (example) *Red letters in conjugations are exceptions to
the model. (example) *Grayed conjugations are forms that are extremely rare.