"should have done"

[Wilson Gray]

On 11/26/05, Jonathan Lighter <wuxxmupp2000 at yahoo.com> wrote:
> ---------------------- Information from the mail header -----------------------
> Sender:       American Dialect Society <ADS-L at LISTSERV.UGA.EDU>
> Poster:       Jonathan Lighter <wuxxmupp2000 at YAHOO.COM>
> Subject:      "should have done"
> -------------------------------------------------------------------------------
>
> I always thought this was a British construction. Do people say this in the U.S.?
>
>   Bill : People made assumptions. I didn't correct them. I guess I should have done.
>
>   Katherine : I guess you should have done.
>
>                                                                 --Movie, _Mona Lisa Smile_ (2003)
>
>   I would never use "done" in this way.  "I guess you should have" is my idiom.
>
>   What exactly is this construction called ?  Is it a post-Dickensian development ?
>
>   JL
>
>
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My intuition is the same as yours. ",,, [S]hould have done" in this
environment is passing strange.
--
-Wilson