<span class="searchmatch">collabōrētis</span> second-person plural present active subjunctive of collabōrō...
second third active present collabōrem collabōrēs collabōret collabōrēmus <span class="searchmatch">collabōrētis</span> collabōrent imperfect collabōrārem collabōrārēs collabōrāret collabōrārēmus...