2 FormationUse the future tense stem of the helping verb être or avoir & add the imparfait endings:-ais, -ais, -ait, -ions, -iez, -aientCombine the helping verb in the conditional tense with the past participle of the main verb.Use the same rules for agreement as passé composé.
4 Les EmploisUse to indicate what would have happened if circumstances had been different (si + plus-que-parfait). NOTE this is a hypothetical situation & either clause can begin the sentence:Si mon portable ne s’était pas planté hier soir (hypothetical situation), je l’aurais apporté pour toi ce matin (result).If my laptop hadn’t crashed last night, I would have brought it for you this morning.
5 Les EmploisUse with devoir, pouvoir, and vouloir to describe an action that people should have, could have, or would have liked to have done but didn’t:Bruno aurait voulu accompagner Camille dans les Cévennes, mais il ne l’a pas fait.Bruno would have liked to accompany Camille to the Cevennes region, but he didn’t.
6 Les Emplois Use to report unverified facts, especially in the media: Deux hélicoptères auraient été abattus hier. Six soldats auraient été légèrement blessés. Un autre se serait cassé le bras.It has been reported that two helicopters were brought down yesterday. Apparently, six soldiers were slightly injured. Another is said to have broken his arm.