<span class="searchmatch">nūberem</span> first-person singular imperfect active subjunctive of nūbō...
third active present nūbam nūbās nūbat nūbāmus nūbātis nūbant imperfect <span class="searchmatch">nūberem</span> nūberēs nūberet nūberēmus nūberētis nūberent perfect nūpserim nūpserīs...