<span class="searchmatch">automarginábamos</span> only used in nos <span class="searchmatch">automarginábamos</span>, first-person plural imperfect indicative of automarginarse...
imperfect me automarginaba te automarginabas se automarginaba nos <span class="searchmatch">automarginábamos</span> os automarginabais se automarginaban preterite me automarginé te automarginaste...