Render Form inside Yii2 Gui Tab -

my application have have multiple language, decided separate each language using tab (yii2 gui), how can render form in side 'content' key?

<?php  $language_tab=[]; $increment=0;  $content="i love you";  foreach($language $obj){     $language_tab[$increment] = array('label' => $obj->name ,'content' => $content);         $increment++;  } echo tabs::widget([      'items' => $language_tab,     'options' => ['tag' => 'div'],     'itemoptions' => ['tag' => 'div'],     'headeroptions' => ['class' => 'my-class'],     'clientoptions' => ['collapsible' => false], ]); ?>  <div class="status-form">      <?php $form = activeform::begin(); ?>      <?= $form->field($model, 'name')->textinput(['maxlength' => true]) ?>      <?= $form->field($model, 'date_created')->textinput() ?>      <div class="form-group">         <?= html::submitbutton($model->isnewrecord ? 'create' : 'update', ['class' => $model->isnewrecord ? 'btn btn-success' : 'btn btn-primary']) ?>     </div>      <?php activeform::end(); ?>  </div> 

i wanna change $content form below. please help!!!

you may create separate view form , render it:

... 'content' => $this->render('_language_form', ['language' => $obj, 'model' => $model]),  ...