<span class="searchmatch">fossastes</span> second-person plural preterite indicative of fossar...
<span class="searchmatch">fossaste</span> second-person singular preterite indicative of fossar...
fossava fossávamos fossáveis fossavam Preterite fossei <span class="searchmatch">fossaste</span> fossou fossamos1, fossámos2 <span class="searchmatch">fossastes</span> fossaram Pluperfect fossara fossaras fossara fossáramos...