Everyone makes mistakes and it’s important to know what to say or write to structure an apology. You should say what you’re apologizing for, admit the mistake you’ve made and explain what happened and the reason for your mistake. Say what you’ve done or what you’re going to do to correct the mistake. Apologizing and admitting fault I’m so sorry I… I have to apologize for… I can imagine you must be very… about… It was my fault/mistake. I didn’t mean to… Saying what you’re going to do about the mistake In the future, I’ll ensure / make sure that I… I’d like to make it up to you by… Will you let me…to make up for my…mistake?