- Excuse me- I apologize.
- I had that wrong.
- I hope you can forgive me.
- I owe you an apology.
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- I sincerely apologize.
- I take full responsibility.
- I want to apologize.
- I wanted to tell you I’m sorry.
- I was wrong about that.
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- I’d like to apologize for how I reacted yesterday.
- I’m (so/very/terribly) sorry.
- My mistake.
- Oh my goodness! I’m so sorry. I should have watched where I was going.
- Oh, my bad.
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- My apologies.
- My fault, bro (US)
- Sorry about that.
- Sorry, my apologies. I had that wrong.
- Sorry. It was all my fault.
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- Please accept our (sincerest) apologies.
- Please don’t be mad at me.
- Please excuse my (ignorance)
- I was wrong. Can you forgive me?
- That was wrong of me.
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- That’s my fault.
- Whoops! Sorry!
- I beg your pardon
- My bad (US)
- Excuse me for interrupting.