could have sworn

This page is about the conversational phrase could have sworn


You can say this when you're very sure about something, esp. when it seems you could be wrong.

For example

  • Mary sat up and shook Stan. "I could have sworn I heard someone moving downstairs. Go down and check."

  • Barry looked at the bill. "It says here I had four bottles of beer, but I could've sworn it was only three."

Quick Quiz

Grandma said, "I could've sworn this door was locked." She said this

a. after finding it unlocked

b. after finding it locked

c. after a lot of swearing

Contributor: Matt Errey