"Shouldn't ought"--and "might oughta"

[RonButters at AOL.COM]

In a message dated 7/31/05 2:47:57 PM, zwicky at CSLI.STANFORD.EDU writes:


> i
> myself can't use things like "might could" unselfconsciously, but
> "shouldn't oughta" is just colloquial english for me.
>
My experience is that non-mutliple modal users who can say "shouldn't oughta"
can also say "might oughta"--is this true for you, Arnold? It is true for me.