<span class="searchmatch">retrōcessissent</span> third-person plural pluperfect active subjunctive of retrōcēdō...
retrōcessissem retrōcessissēs retrōcessisset retrōcessissēmus retrōcessissētis <span class="searchmatch">retrōcessissent</span> passive present retrōcēdar retrōcēdāris, retrōcēdāre retrōcēdātur retrōcēdāmur...