<span class="searchmatch">superbīrem</span> first-person singular imperfect active subjunctive of superbiō...
superbiam superbiās superbiat superbiāmus superbiātis superbiant imperfect <span class="searchmatch">superbīrem</span> superbīrēs superbīret superbīrēmus superbīrētis superbīrent imperative...