Portuguese conjugation explanation
Imperfect subjunctive accent mark
<p>The <strong>first and second person plural</strong> verb forms in the imperfect subjunctive tense require an <strong>accent mark before the attached ending</strong>. Depending on the vowel, the accent to be used can either be an acute accent (´) or a circumflex (^):</p>
<ul>
<li><strong>a becomes á</strong>, like for the verb <span style="font-style: italic;">achar</span>:
<div class="study_conjugations_tense_container">
<a class="study_conjugations_tense_label box_label" href="/study/tenseGuideForTense/9/" target="_blank" title="Open tense guide">Pretérito Imperfeito do Subjuntivo</a>
<div class="study_conjugations_conjugation conjugations_table two_columns">
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eu
</span>achasse
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se tu
</span>achasses
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se ele
</span>achasse
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se nós
</span>achássemos
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se vós
</span>achásseis
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eles
</span>achassem
</span>
</div>
</div>
</div>
</div>
</li>
<li>
<p><strong>e can become either ê or é</strong>. It depends on whether the 3rd person plural of the preterite (from which we form the imperfect subjunctive) is regular or not. When it is regular, the e becomes an ê, like for the verb <span style="font-style: italic;">parecer</span>:</p>
<div class="study_conjugations_tense_container">
<a class="study_conjugations_tense_label box_label" href="/study/tenseGuideForTense/9/" target="_blank" title="Open tense guide">Pretérito Imperfeito do Subjuntivo</a>
<div class="study_conjugations_conjugation conjugations_table two_columns">
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eu
</span>parecesse
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se tu
</span>parecesses
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se ele
</span>parecesse
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se nós
</span>parecêssemos
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se vós
</span>parecêsseis
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eles
</span>parecessem
</span>
</div>
</div>
</div>
</div>
<p>When it is irregular (estar → estiveram, ter → tiveram , poder → puderam, etc.) the e becomes an é, like for the verb <span style="font-style: italic;">estar</span>:</p>
<div class="study_conjugations_tense_container">
<a class="study_conjugations_tense_label box_label" href="/study/tenseGuideForTense/9/" target="_blank" title="Open tense guide">Pretérito Imperfeito do Subjuntivo</a>
<div class="study_conjugations_conjugation conjugations_table two_columns">
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eu
</span><span class="irregular_conjugation" title="irregular conjugation">estivesse<span class="irregularity_circle">●</span></span></span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se tu
</span><span class="irregular_conjugation" title="irregular conjugation">estivesses<span class="irregularity_circle">●</span></span></span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se ele
</span><span class="irregular_conjugation" title="irregular conjugation">estivesse<span class="irregularity_circle">●</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">
se nós
</span><span class="irregular_conjugation" title="irregular conjugation">estivéssemos<span class="irregularity_circle">●</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">
se vós
</span><span class="irregular_conjugation" title="irregular conjugation">estivésseis<span class="irregularity_circle">●</span></span></span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eles
</span><span class="irregular_conjugation" title="irregular conjugation">estivessem<span class="irregularity_circle">●</span></span></span>
</div>
</div>
</div>
</div>
</li>
<li>
<p><strong>i becomes í</strong>, like for the verb <span style="font-style: italic;">conseguir</span>:</p>
<div class="study_conjugations_tense_container">
<a class="study_conjugations_tense_label box_label" href="/study/tenseGuideForTense/9/" target="_blank" title="Open tense guide">Pretérito Imperfeito do Subjuntivo</a>
<div class="study_conjugations_conjugation conjugations_table two_columns">
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eu
</span>conseguisse
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se tu
</span>conseguisses
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se ele
</span>conseguisse
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se nós
</span>conseguíssemos
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms highlighted_conjugation">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se vós
</span>conseguísseis
</span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eles
</span>conseguissem
</span>
</div>
</div>
</div>
</div>
</li>
<li>
<p><strong>o becomes ô</strong>, like for the verb <span style="font-style: italic;">ser</span> and <span style="font-style: italic;">ir</span> (these are the only verbs in this category, and they have the same conjugation):</p>
<div class="study_conjugations_tense_container">
<a class="study_conjugations_tense_label box_label" href="/study/tenseGuideForTense/9/" target="_blank" title="Open tense guide">Pretérito Imperfeito do Subjuntivo</a>
<div class="study_conjugations_conjugation conjugations_table two_columns">
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eu
</span><span class="irregular_conjugation" title="irregular conjugation">fosse<span class="irregularity_circle">●</span></span></span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se tu
</span><span class="irregular_conjugation" title="irregular conjugation">fosses<span class="irregularity_circle">●</span></span></span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se ele
</span><span class="irregular_conjugation" title="irregular conjugation">fosse<span class="irregularity_circle">●</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">
se nós
</span><span class="irregular_conjugation" title="irregular conjugation">fôssemos<span class="irregularity_circle">●</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">
se vós
</span><span class="irregular_conjugation" title="irregular conjugation">fôsseis<span class="irregularity_circle">●</span></span></span>
</div>
</div>
<div class="study_conjugations_forms conjugation_forms">
<div class="conjugation_form">
<span><span class="study_conjugations_pronoun conjugation_pronoun">
se eles
</span><span class="irregular_conjugation" title="irregular conjugation">fossem<span class="irregularity_circle">●</span></span></span>
</div>
</div>
</div>
</div>
</li>
</ul>