Italian conjugation explanation

-isc verbs

<p>Italian verbs ending in <span style="font-style: italic">-ire</span> (the structural <strong>third conjugation</strong>) fall into two categories. One group follows a standard pattern, while the other—and much larger—group inserts the suffix <span style="font-style: italic">-isc-</span> between the verb stem and the ending in certain forms.</p>

<p>These are known as <strong>-isc- verbs</strong>. While the dictionary form (infinitive) looks the same for both groups (e.g., <span style="font-style: italic">dormire</span> vs. <span style="font-style: italic">capire</span>), their conjugations differ significantly.</p>

<div class="conjugation_explanation_title">When does the change happen?</div>

<p>The <span style="font-style: italic">-isc-</span> insertion occurs in the <strong>singular forms</strong> (1, 2, 3) and the <strong>third person plural</strong> (6). The first person plural (<span style="font-style: italic">noi</span>) and second person plural (<span style="font-style: italic">voi</span>) are <strong>never</strong> affected by this change.</p>

<p>This change affects three tenses: the

<a class="conjugation_explanation_link_intext" href="/study/tenseGuideForTense/36/" target="_blank">Present Indicative</a>

, the

<a class="conjugation_explanation_link_intext" href="/study/tenseGuideForTense/41/" target="_blank">Present Subjunctive</a>

, and the

<a class="conjugation_explanation_link_intext" href="/study/tenseGuideForTense/44/" target="_blank">Imperative</a>

.</p>

<p>Here is an example with the verb

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/capire/" title="Click to see conjugations for capire" target="_blank">capire</a>

(<span style="font-style: italic">to understand</span>):</p>

<ul>

<li>

<div class="conjugation_explanation_example_sentence">Io non <span class="green_emphasis">capisco</span> il problema. (<span style="font-style: italic">I don't understand the problem.</span>)</div>

<div class="conjugation_explanation_example_sentence_note">Typical <span style="font-style: italic">-isc-</span> insertion in the first person singular.</div>

</li>

<li>

<div class="conjugation_explanation_example_sentence">Loro <span class="green_emphasis">preferiscono</span> il vino rosso. (<span style="font-style: italic">They prefer red wine.</span>)</div>

</li>

<li>

<div class="conjugation_explanation_example_sentence">Noi <span class="brown_emphasis">partiamo</span> domani. (<span style="font-style: italic">We leave tomorrow.</span>)</div>

<div class="conjugation_explanation_example_sentence_note">Note: The form for <span style="font-style: italic">noi</span> does not use <span style="font-style: italic">-isc-</span>, looking just like a regular verb.</div>

</li>

</ul>

<div class="conjugation_explanation_title">Conjugation Pattern</div>

<p>In the following tables for the verb

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/finire/" title="Click to see conjugations for finire" target="_blank">finire</a>

(<span style="font-style: italic">to finish</span>), the forms containing the <span style="font-style: italic">-isc-</span> suffix are highlighted.</p>

<div class="study_conjugations_tense_container">

<a class="study_conjugations_tense_label box_label tense_box no_dark_mode " href="/study/tenseGuideForTense/36/" target="_blank" title="Open tense guide">Presente</a>

<div class="study_conjugations_conjugation conjugations_table two_columns">

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

io

</span><span class="irregular_conjugation" title="irregular conjugation">finisco<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

tu

</span><span class="irregular_conjugation" title="irregular conjugation">finisci<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

lui

</span><span class="irregular_conjugation" title="irregular conjugation">finisce<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

noi

</span>finiamo

</span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

voi

</span>finite

</span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

loro

</span><span class="irregular_conjugation" title="irregular conjugation">finiscono<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

</div>

</div>

<div class="study_conjugations_tense_container">

<a class="study_conjugations_tense_label box_label tense_box no_dark_mode " href="/study/tenseGuideForTense/41/" target="_blank" title="Open tense guide">Presente congiuntivo</a>

<div class="study_conjugations_conjugation conjugations_table two_columns">

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

che io

</span><span class="irregular_conjugation" title="irregular conjugation">finisca<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

che tu

</span><span class="irregular_conjugation" title="irregular conjugation">finisca<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

che lui

</span><span class="irregular_conjugation" title="irregular conjugation">finisca<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

che noi

</span>finiamo

</span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

che voi

</span>finiate

</span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

che loro

</span><span class="irregular_conjugation" title="irregular conjugation">finiscano<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

</div>

</div>

<div class="study_conjugations_tense_container">

<a class="study_conjugations_tense_label box_label tense_box no_dark_mode " href="/study/tenseGuideForTense/44/" target="_blank" title="Open tense guide">Imperativo</a>

<div class="study_conjugations_conjugation conjugations_table two_columns">

<div class="study_conjugations_forms conjugation_forms">

<div class="conjugation_form">

<span class="study_conjugations_pronoun conjugation_pronoun">---</span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

(tu)

</span><span class="irregular_conjugation" title="irregular conjugation">finisci<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

(Lei)

</span><span class="irregular_conjugation" title="irregular conjugation">finisca<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

(noi)

</span>finiamo

</span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

(voi)

</span>finite

</span>

</div>

</div>

<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">

<div class="conjugation_form">

<span><span class="study_conjugations_pronoun conjugation_pronoun">

(Loro)

</span><span class="irregular_conjugation" title="irregular conjugation">finiscano<span class="irregularity_circle">&#9679;</span></span></span>

</div>

</div>

</div>

</div>

<div class="conjugation_explanation_title">Common -isc- verbs</div>

<p>Since the majority of <span style="font-style: italic">-ire</span> verbs are actually <span style="font-style: italic">-isc-</span> verbs, it is helpful to familiarize yourself with the most frequent ones:</p>

<ul>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/capire/" title="Click to see conjugations for capire" target="_blank">capire</a>

(<span style="font-style: italic">to understand</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/finire/" title="Click to see conjugations for finire" target="_blank">finire</a>

(<span style="font-style: italic">to finish</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/preferire/" title="Click to see conjugations for preferire" target="_blank">preferire</a>

(<span style="font-style: italic">to prefer</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/pulire/" title="Click to see conjugations for pulire" target="_blank">pulire</a>

(<span style="font-style: italic">to clean</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/spedire/" title="Click to see conjugations for spedire" target="_blank">spedire</a>

(<span style="font-style: italic">to send/ship</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/costruire/" title="Click to see conjugations for costruire" target="_blank">costruire</a>

(<span style="font-style: italic">to build</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/chiarire/" title="Click to see conjugations for chiarire" target="_blank">chiarire</a>

(<span style="font-style: italic">to clarify</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/colpire/" title="Click to see conjugations for colpire" target="_blank">colpire</a>

(<span style="font-style: italic">to hit/strike</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/suggerire/" title="Click to see conjugations for suggerire" target="_blank">suggerire</a>

(<span style="font-style: italic">to suggest</span>)</li>

</ul>

<div class="conjugation_explanation_title">Common Non-isc verbs</div>

<p>These verbs follow the pure, <strong>regular</strong> conjugation without adding any extra letters:</p>

<ul>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/dormire/" title="Click to see conjugations for dormire" target="_blank">dormire</a>

(<span style="font-style: italic">to sleep</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/partire/" title="Click to see conjugations for partire" target="_blank">partire</a>

(<span style="font-style: italic">to leave/depart</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/sentire/" title="Click to see conjugations for sentire" target="_blank">sentire</a>

(<span style="font-style: italic">to hear/feel</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/servire/" title="Click to see conjugations for servire" target="_blank">servire</a>

(<span style="font-style: italic">to serve</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/aprire/" title="Click to see conjugations for aprire" target="_blank">aprire</a>

(<span style="font-style: italic">to open</span>)</li>

<li>

<a class="conjugation_explanation_link_intext verb_link" href="/study/conjugations/ita/offrire/" title="Click to see conjugations for offrire" target="_blank">offrire</a>

(<span style="font-style: italic">to offer</span>)</li>

</ul>

<div class="conjugation_explanation_title">How to identify -isc- verbs</div>

<p>Unfortunately, there is no rule to know for certain if a verb takes <span style="font-style: italic">-isc-</span> just by looking at the infinitive. However, there are some loose patterns:</p>

<ul>

<li><strong>Stem structure:</strong> Many <span style="font-style: italic">-isc-</span> verbs (like <span style="font-style: italic">ca<strong>p</strong>ire, fi<strong>n</strong>ire, pu<strong>l</strong>ire</span>) tend to have a single consonant before the <span style="font-style: italic">-ire</span> ending. Verbs with two consonants before the ending (like <span style="font-style: italic">do<strong>rm</strong>ire, se<strong>nt</strong>ire</span>) are usually regular, though exceptions exist.</li>

<li><strong>Prefixes:</strong> Verbs starting with certain prefixes, especially those derived from Latin (like <span style="font-style: italic">a-, con-, di-, in-, pre-, pro-</span>), often belong to the <span style="font-style: italic">-isc-</span> group (e.g., <span style="font-style: italic">preferire, costruire, arricchire</span>).</li>

<li><strong>Change of state:</strong> Many verbs that describe a change primarily in state, color, or condition are <span style="font-style: italic">-isc-</span> verbs (e.g., <span style="font-style: italic">guarire</span> - to heal/get better, <span style="font-style: italic">arrossire</span> - to blush/turn red, <span style="font-style: italic">impazzire</span> - to go crazy).</li>

</ul>