<span class="searchmatch">frotaba</span> first/third-person singular imperfect preterite of frotar <span class="searchmatch">frotaba</span> first/third-person singular imperfect indicative of frotar...
<span class="searchmatch">frotabas</span> second-person singular imperfect indicative of frotar...
indicative present froto frotes frota frotamos frotáis froten imperfect <span class="searchmatch">frotaba</span> frotabes <span class="searchmatch">frotaba</span> frotábemos, frotábamos frotabeis, frotabais frotaben preterite...