Put the word you'd stress in the "wrong version" in all caps.
  1. I'm taking my sweet ASS time.
    Excuse me? You're doing what?
  2. I TOOK the bus.
    Isn't that stealing?
  3. I should apologize to YOU
    Also stress the "I"
    Suggested by @WhelmedDad
  4. I'm dating Myself.
    Suggested by @Alphonse