The emotion ('sorry', 'felt') happens after the event expressed in the infinitive, and the perfect makes that relationship clear.
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SuperESL"She was felt not to have met the standards required" indicates only that she was felt not to meet the standards of some unspecified prior past,In the past and possibly as far as up to the present.
SuperESLAre you suggesting that "She was felt (by John) not to have met the standards required" in this context does not say anythi