I beg your indulgence
I beg your pardon, but you take it too seriously
I brazenly confess it
I can easily understand your astonishment
I can explain the apparent contradiction
I can find no satisfaction in it
I can hardly agree with you there
I can never be sufficiently grateful
I can only tell you the bare facts
I can scarcely accept the offer
I can scarcely boast that honor
I can scarcely imagine anything more disagreeable
I can sympathize with you
I cannot altogether acquit myself of interested motives
I cannot explain it even to myself
I cannot find much real satisfaction in it
I cannot forbear to press my advantage
I cannot imagine what you mean
I cannot precisely determine
I can't pretend to make a jest of what I'm going to say
I cannot say definitely at the moment
I cannot say that in fact it is always so
I cannot see how you draw that conclusion
I cannot thank you enough for all your consideration
I compliment you on your good sense
I confess, I find it difficult
I could ask for nothing better
I could never forgive myself for that
I dare say your intuition is quite right
I decline to commit myself beforehand
I detest exaggeration
I didn't mean that--exactly
I do not comprehend your meaning
I don't deny that it is interesting
I don't doubt it for a moment
I do not doubt the sincerity of your arguments
I do not exactly understand you
I do not feel sure that I entirely share your views
I don't feel that it is my business
I do not find it an unpleasant subject
I don't insist on your believing me
I don't justify my presumption
I don't know quite why you should say that
I don't know that I can do that
I don't know when I have heard anything so lamentable
I don't know why you should be displeased
I don't make myself clear, I see
I don't pretend to explain
I don't see anything particularly wonderful in it
I don't underrate his kindness