I'm terribly sorry I put you in such an awkward situation.

Our friendship is really important to me. Will you please forgive me?

Sure, I admit it. I made a big mistake.

I want to learn from this situation. Would you be willing to come up with some steps together on how to handle such a situation better next time?

What can I say or do to make things right between us?

I had the wrong attitude, and it showed. I should have thought more about what I was doing.

I never want to do that again. I’ll try to come up with something that will help me avoid such mistakes in the future.

I apologize for my behavior. Of course, you're not obligated to forgive me, but I hope you will.

Do you think you can forgive me?

What can I do to make it up to you?

I totally messed it up. I could try to explain it, but actually, there's no acceptable excuse for my actions.

You have every right to be mad at me. But I'd like to ask if you could forgive me?

I want things to be good between us again. What can I do?

You don’t have to answer me right now, but could you consider forgiving me?

I want to ask you to forgive me.

It really hurts me to see you in such distress.

This time I really blew it. Because of me, we missed the deadline.

Can we save it and I can try to fix it? In any case, I want to correct what I messed up.

I'm mad at myself for how I acted during our disagreement. It's embarrassing to think about it.

I know this isn’t helpful from my side. What do you think I should change to make it better?

I know I didn’t act properly.

I'm very sorry. It breaks my heart that I disappointed you.

What changes should I make so you can trust me again in the future?

I hope this won’t permanently damage our working relationship. Will you accept my apology?

I see that my behavior caused you pain. It makes me feel terrible.

Is there any way I can make it right?

If I had thought more about what I was doing, I would have realized it was wrong.

I know I caused you significant inconvenience. I would really appreciate it if you could forgive me.

I’m really troubled by my behavior and what I caused you. I'm sorry.

If it ever happens that I get mad at you again, I promise to think it over first and then talk to you directly and respectfully.

I hope you can truly forgive me.

I just shouldn't have done it.

I realize these are just words. I will do my best to show you that I am making changes.

Can I make it up to you somehow?

I’m really embarrassed by how I behaved and I apologize.

I won’t say any ifs or buts. I admit that I acted wrongly.

I’m sorry. Will you forgive me?

From now on, I will plan my time better and set priorities to avoid getting into the same trouble.

In any case, I want to avoid making the same mistake in the future. Let’s discuss what I should do next time to fulfill my responsibilities.

It feels strange to just say 'my bad'. I want to make up for what I caused. What would you find acceptable in this regard?

I know my behavior was totally unacceptable. I acknowledge that.

I’m very sorry when I think about how you had to stand there and wait for me. I'm sorry I disappointed you and caused you such concern.

I know I complicated things for you. How can I make it right?

I feel really sad about myself. I'm very mad at myself for hurting you so much.

What can I do right now to make it right?

It will probably take some time before you can trust me again, but I am already trying to make changes and show that I am worthy of that trust.

I am very sorry. I feel terrible that I let you down.

Just saying 'sorry' doesn't seem enough. What else can I say or do to make it up to you?

I believe that everything I learned from that unpleasant experience will prevent me from doing it again.

I know that what I did was unacceptable - no doubt about it.