<span class="searchmatch">prōcessissent</span> third-person plural pluperfect active subjunctive of prōcēdō...
prōcessissem prōcessissēs prōcessisset prōcessissēmus prōcessissētis <span class="searchmatch">prōcessissent</span> passive present prōcēdar prōcēdāris, prōcēdāre prōcēdātur prōcēdāmur...