<span class="searchmatch">introīstis</span> second-person plural perfect active indicative of introeō...
<span class="searchmatch">introīstī</span> second-person singular perfect active indicative of introeō...
introībitis introībunt perfect introiī, introīvī <span class="searchmatch">introīstī</span>, introīvistī introiit, introīvit introiimus <span class="searchmatch">introīstis</span> introiērunt, introiēre pluperfect introieram...