recommend
This native speaker didn't like a student's "can only be recommended to appear" - the passive + to infin sounds awkward.
In most cases, was recommend to means was advised to ....as can be seen in this screen shot .
This Frequency List of the lemma recommend followed by the lempos leaves us in no doubt whatsoever that to-t (infinitive) is relatively rare. It has 131 hits, trivial compared with the 1,066 of that clauses. The to-p (206 hits) marks the beneficiary - recommended to someone/something.
However, in these rare examples, the to inf clause manifests the reason for the recommendation:
This arrangement is recommended to prevent wobble.
More diverse policing policy is recommended to tackle these differences.
Breast-feeding was recommended to space births and the rhythm method was approved.
Two interlocking cycles were recommended to cover the seven year primary course,
These are 4 of the 91 hits that result from this CQL:
[lemma = "be"][lemma = "recommend"][tag="TO0"]