Some examples and use cases from the internet:

Some examples and use cases from the internet:

• Walter, sorry to keep you waiting.
• Miss Redding, sorry to keep you waiting.
• Sorry to keep you waiting, Williamson.
• Sorry to keep you waiting, but... me and the missus was playing fish.
• Detectives, sorry to keep you waiting.
• Mr. Gittes, sorry to keep you waiting.
• Sorry to keep you waiting, boys.
• I am sorry to keep you waiting.

• Sorry for keeping you waiting gentlemen.
• My apologies for keeping you waiting.
• I apologize for keeping you waiting.
• I apologize for keeping you waiting.
• Do forgive me for keeping you waiting, chaps.
• My apologies for keeping you waiting so long.
• Sorry for keeping you waiting.
• I'm sorry for keeping you waiting, Ms. Clark.