
Might be USEFUL
to observe his degradation
Westworld Season 2, Episode 4

but may be USEFUL as pig feed.
Game of Thrones Season 3, Episode 3

You might find a bit of armor quite USEFUL
Game of Thrones Season 3, Episode 1

Useful talent.
Game of Thrones Season 5, Episode 7

l'm not even USEFUL to myself.
Breaking Bad Season 4, Episode 3