<span class="searchmatch">prōgrediēbantur</span> third-person plural imperfect active indicative of prōgredior...
prōgrediēbāris, prōgrediēbāre prōgrediēbātur prōgrediēbāmur prōgrediēbāminī <span class="searchmatch">prōgrediēbantur</span> future prōgrediar prōgrediēris, prōgrediēre prōgrediētur prōgrediēmur...