CJ:
By this logic, "The neighbors may have wanted this old refrigerator" is not a case of a modal in the past, nor would this be true of 99% of the modal + have structures.
Restated, the addition of "have" does nothing to modify the tense/time of the modality and everything to modify the tense/time of the proposition.
JTT: You seem to be dealing with this in a detached sort of way, Jim, sort of a foot in each camp.
![Smile [:)]](/emoticons/emotion-1.gif)
I for one, and I say this honestly, am really happy to see such progress.
Why just 99%? What would be different about the other 1%? Is your example, copied below, part of that 1%?
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The only exception I've ever seen is in this sort of pattern: "You shouldn't have climbed that tree. You might have fallen!" The "might"ness (possibility) existed in the past, not at the time of the utterance.
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Isn't this exactly the same as the examples in your last post? What exists is the separate modality 'might' which expresses a lower degree of certainty than say, 'may' or 'probably would', and the 'have' structure which sets the "tense/time of the proposition".
Also, what of, "You shouldn't have climbed that tree. You might fall.", where the climber is still in the tree.