For example, pulsaturum esse is the Latin Future Active Infinitive (FAI) of pulsare, or "to punch." I typically translate this as "to be about to punch," but this implies more immediacy than the Latin warrants. The same applies to the Future Passive Infinitive. The Future Active Participl...
The Future Infinitive Active in Latin.doi:10.1515/9783110242461.252J.P.PostgateDe GruyterIndogermanische ForschungenPostgate, John P. (1894). `The future infinitive active in Latin', Indogermanische Forschungen 4: 252-258.