This conjugation tense is also used to type typical well mannered expressions in German. You could consult the lesson dedicated to the use of the subjunctive II in German. The key use on the subjunctive I in German would be the oblique speech, these tenses are a lot less Utilized https://geschaftmega.de/die-umweltfreundliche-revolution-warum-baumwolltaschen-die-nachhaltige-wahl-sind/