Can I be excused?

Can I be excused?

A request to leave something in particular, often the dinner table. OK, I ate all of my vegetables—can I be excused now?
See also: can
Farlex Dictionary of Idioms.

Could I be excused?

Would you give me permission to leave?; Would you give me permission to leave the table? (Also used with can or may in place of could.) Bill: I'm finished, Mom. Could I be excused? Mother: Yes, of course, when you use good manners like that.
See also: could
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • Could I be excused?
  • you're excused
  • May I be excused?
  • do someone or something justice
  • ain’t 1
  • go out of
  • other than
  • let something drop
  • helluva someone/something
  • hit someone for something