The subjunctive (il congiuntivo) is not a tense but a mood (un modo).
If you are learning Italian, you will at some point need to learn the subjunctive.
As a mood, the subjunctive (or il congiuntivo) is used to convey doubt, impossibility, and opinions. In English, we sort of walk around the subjunctive, but it’s common when we want to convey hypothetica…