I'd tend to agree with Martha on this. I see it as the following:
  [You] see spot [to] run.
In this scenario, "Spot" is the direct object and "run" is the 
objective complement.
Kathleen

On Mon, 7 Mar 2011 06:15:26 -0600
  "T. J. Ray" <[log in to unmask]> wrote:
> 
> Enlightenment sought with explanation of "See Spot run."
> 
> I'm unable to see that this sentence contains an objective 
>complement. It
> does contain a direct object:  "Spot run," an infinitive phrase.  I 
>see no
> objective complement.  "Spot" serves as the subject of the 
>infinitive
> "run."  Why would the phrase not appear on a single line that might
> be raised over the direct object slot?
> 
> tj
> 
> 
>>
>>
>> The major change I've made is on the main line when there's an 
>>object
>> complement, such as "See Spot run" or "I consider diagrams useful." 
>>In the
>> original R&K, the object complement comes between the verb and the 
>>direct
>> object on the main line, with a line slanting toward the object. In 
>>my
>> version, the words on the main line keep the order in the sentence:
>> I | consider | diagrams \ useful.
>> In "See Spot run," the "run" would be on a pedestal in that last 
>>slot to
>> indicate its form as an infinitive, with a line attached to it for 
>>the
>> understood "to."
> 
> 
> 
> To join or leave this LISTSERV list, please visit the list's web 
>interface at:
>     http://listserv.muohio.edu/archives/ateg.html
> and select "Join or leave the list"
> 
> Visit ATEG's web site at http://ateg.org/

To join or leave this LISTSERV list, please visit the list's web interface at:
     http://listserv.muohio.edu/archives/ateg.html
and select "Join or leave the list"

Visit ATEG's web site at http://ateg.org/