I quite agree.
–I think you're absolutely right.
–That's a very good point.
–You've got a very good point there.
–I fully support what you say.
–I totally agree.
–Exactly!
–Просим извинения
I'm sorry.
–I apologise.
–I'm sorry to say that …
–There seems to have been a mistake …
–I can assure you it won't happen again.
–Excuse me.
–I beg your pardon.
–I'm extremely sorry about …
–I hope you will excuse me …
–Уточняем детали
I didn't understand what you said about …
–I'm sorry, I didn't catch what you said about …
–I'm sorry, could you repeat what you said about …
–Sorry, but I'm not quite clear on …
–I'd like to ask you about …
–I didn't understand the bit about the …
–What does … mean?
–I'm not sure what you mean.
–I don't see what you mean.
–Could we come back to that?
–Could you explain that again, please?
–What did you mean when you said …?
–Could you be more specific about …?