Latin B2: Cum: when, since, although · Phrases

cum with the subjunctive tells a story or gives a reason or a concession: Cum Romam venisset, amicum vidit (when he had come to Rome); Cum aeger sit, domi manet (since he is ill); Cum dives esset, tamen avarus erat (although he was rich). Other conjunctions take the indicative: postquam, ubi and simul ac + perfect (Postquam venit…), quamquam + indicative (Quamquam fessus erat…).