<span class="searchmatch">subintrōdūxisse</span> perfect active infinitive of subintrōdūcō...
<span class="searchmatch">subintrōdūxissēs</span> second-person singular pluperfect active subjunctive of subintrōdūcō...
subintrōdūxerīmus subintrōdūxerītis subintrōdūxerint pluperfect subintrōdūxissem <span class="searchmatch">subintrōdūxissēs</span> subintrōdūxisset subintrōdūxissēmus subintrōdūxissētis subintrōdūxissent...