I don't know what to say for what I did except that I'm so sorry.

I'm so deeply sorry, I promise I won't let it happen again.

I'm sorry for all the problems that I have caused. It wasn't intentional, please forgive me, It won't happen again.

I'm so sorry; please accept my deepest apology.

I just want to say that I'm sorry from the bottom of my heart and offer you my sincerest apology.

I'm so sorry for offending you, I didn't mean to hurt you. Will you ever be able to forgive me?

I feel so horrible, I don't even know where to start except for an, I'm sorry.

I'm sorry for all of the trouble that I caused you. Let me know what I can do to make it up to you.

I know my sorry won't change anything, but hopefully it'll show you my remorse for the trouble that I caused you.

All that I want to say is that I was so wrong and I am so sorry.

I'm truly really immensely sorry for what I did.

I was wrong and you were right. Please accept my sincere apology.

Words aren't sufficient to express how truly sorry I am.

I know how horrible things are for you now because what I have done. I hope to start to make things better by saying I'm sorry. Please let me know what I can do to make things right.

I've never felt sorrier in my life for what I've done to you. Can you forgive me?

I will make it up to you, please forgive me, I'm so sorry.

I never meant to cause you so much pain. I'm so sorry.

I feel so ashamed of myself for everything that I did. I was selfish and know I made giant mistakes. I am really sorry, can you forgive me?

I'm so sorry, I want you to know that it was my fault but I never intentionally meant to hurt you.

I am truly sorry. I have no excuse for my behavior. I completely understand why you are upset with me.

I'm so sorry. I will never forgive myself... but I'm hoping that you will.

I'm sorry for hurting you, it was completely unintentional.