From Longman Dictionary of Contemporary Englishforgive meforgive mespokenSORRY/APOLOGIZE used when you are going to say or do something that might seem rude or offensive and you want it to seem more polite Forgive me, but I don’t think that is relevant.forgive me for asking/saying etc something (also forgive my asking/saying etc) Forgive me for saying so, but that’s nonsense. Forgive my phoning you so late. → forgive
Examples from the Corpus
Forgive me for saying so• Forgive me for saying so , but yellow doesn't look good on you. 