© and ® 2011 Vista Higher Learning, Inc. 3B.2-1 Point de départ The conditional expresses what you would do or what would happen under certain circumstances. The conditional of regular verbs is formed by using the infinitive form of the verb as the stem. To form the conditional of –er and –ir verbs, add the imparfait endings to the infinitive. Drop the –e from the infinitive of –re verbs before adding the endings to it.