So delicate and refined, the richest mood in verb tenses, the indicative mood, invites us discover all of its nuances in detail.
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Verbs in the 1st and 2nd groups, easy!! Those in the 3rd group are a little more difficult... But, you just need to practice.
I came across a conjugation exercise on the "passé composé" and I didn't understand a thing! Fortunately, Bonjour de France helped me...