As your brother,
I feel it's my duty to WARN you...
Game of Thrones Season 1, Episode 1
All right, just WARN me before you do it.
The Big Bang Theory Season 10, Episode 8
I should WARN you,
Game of Thrones Season 1, Episode 4
I should WARN you,
I've had quite a bit of wine.
Game of Thrones Season 2, Episode 3
You said,
"I did WARN you not to trust me."
Game of Thrones Season 7, Episode 7