<span class="searchmatch">preaprobáramos</span> first-person plural imperfect subjunctive of preaprobar...
preaprobéis preaproben imperfect (ra) preaprobara preaprobaras preaprobara <span class="searchmatch">preaprobáramos</span> preaprobarais preaprobaran imperfect (se) preaprobase preaprobases preaprobase...