I'm sorry.
A2A general apology.
Excuse me.
A2Used to get someone's attention or apologize for a minor inconvenience.
I apologize.
A2A more formal apology.
I'm really sorry.
A2A stronger expression of apology.
Please forgive me.
A2Asking for forgiveness.
That's alright.
A2Used to accept an apology.
It's okay.
A2Used to accept an apology.
No problem.
A2Used to accept an apology, implying it's not a big deal.
I didn't mean to...
A2Explaining an unintentional action.
I didn't realize...
A2Explaining a lack of awareness.
My apologies.
A2A formal apology.
Forgive me.
A2Asking for forgiveness.
I'm so sorry.
A2A very strong expression of apology.
I beg your pardon.
A2A formal apology, often for interrupting.
I'm to blame.
A2Taking responsibility.
It was my fault.
A2Taking responsibility.
Sorry about that.
A2A casual apology.
I'm very sorry.
A2A strong expression of apology.
I feel bad.
A2Expressing remorse.
Let me make it up to you.
A2Offering amends.
I apologize for...
B1A formal way to express regret.
Please forgive me.
B1A polite way to ask for forgiveness.
I'm really sorry.
B1A common expression of regret.
I didn't mean to...
B1Expressing unintentional wrongdoing.