<span class="searchmatch">collābēbāris</span> second-person singular imperfect active indicative of collābor...
collābere collābitur collābimur collābiminī collābuntur imperfect collābēbar <span class="searchmatch">collābēbāris</span>, collābēbāre collābēbātur collābēbāmur collābēbāminī collābēbantur future...