You can't impose a secret
on an ex post facto BASIS.
The Big Bang Theory Season 2, Episode 1
I remotely repair satellites
on a regular BASIS.
The Big Bang Theory Season 1, Episode 14
Sorry, you're on a need-to-know BASIS.
The Big Bang Theory Season 9, Episode 19
Penny,
you face failure on a daily BASIS.
The Big Bang Theory Season 4, Episode 7
Finally getting used to them
doing it on a daily BASIS?
The Big Bang Theory Season 4, Episode 18