Réponse:
Hello Madam/Sir, I present to you my sincere apologies for forgetting my work. I know it was very important, I can't promise you it won't happen again because I often forget things but I'll do everything to avoid that next time! promised. However, I apologize once again for the waste of time I am causing you at this time.
Explications:
j'espère avoir pu t'aider avec le début (j'avais plus d'idées) courage ! j'en suis sûre que tu auras d'autres idées si tu y mets du tient, bon courage