<span class="searchmatch">lāberer</span> first-person singular imperfect active subjunctive of lābor...
present lābar lābāris, lābāre lābātur lābāmur lābāminī lābantur imperfect <span class="searchmatch">lāberer</span> lāberēris, lāberēre lāberētur lāberēmur lāberēminī lāberentur perfect lāpsus...