<span class="searchmatch">retroalimentabas</span> second-person singular imperfect indicative of retroalimentar...
<span class="searchmatch">retroalimentaba</span> first/third-person singular imperfect indicative of retroalimentar...
retroalimentamos retroalimentáis retroalimentan imperfect <span class="searchmatch">retroalimentaba</span> <span class="searchmatch">retroalimentabas</span> <span class="searchmatch">retroalimentaba</span> retroalimentábamos retroalimentabais retroalimentaban...