The basis for creating this form is the passato remoto tense (the 2nd person plural passato remoto and congiuntivo imperfetto are identical). We use it to express a simultaneous action when the verb of the main sentence stands in imperfetto, passato remoto and passato prossimo of the indicative mood.
Formation:
Conjugation I (trovare):
| singular | plural | |
| 1 | trovassi | trovassimo |
| 2 | trovassi | trovaste |
| 3 | trovasse | trovassero |
Conjugation II (credere):
| singular | plural | |
| 1 | credessi | credessimo |
| 2 | credessi | credeste |
| 3 | credesse | credessero |
Conjugation III:
| singular | plural | |
| 1 | finissi | finissimo |
| 2 | finissi | finiste |
| 3 | finisse | finissero |