177.126:
Can you ever forgive me? I'm sorry.

177.125:
Pardon me.

177.124:
How could that happen? I apologise.

177.123:
Indeed. This was my fault and I would like to apologise.

177.122:
I am deeply ashamed and would like to offer my apologies.

177.121:
Woe is me. I regret that so very much!

177.120:
Oops. Sorry about that.

177.119:
I hereby offer my humble apologies.

177.118:
If only I'd have known. It would never have happened.

177.117:
That wasn't very considerate of me. I'm sorry.