améliorait
améliorait is a verb form in the French language. It specifically represents the imperfect subjunctive of the verb améliorer. The verb améliorer means "to improve" or "to make better." The imperfect subjunctive is a verb tense used to express a wish, desire, doubt, necessity, emotion, or a hypothetical situation, particularly in subordinate clauses that are dependent on a main clause expressing one of these moods.
In practice, améliorait would be used in contexts such as "Il fallait qu'il améliorait sa situation" (It