$form->addElement('text', 'vorname');
      $form->setElementDecorators(array(
            array('ViewHelper'),
            array('Errors'),
            array('Description'),
            array('Label', array('separator'=> null)),
            array('HtmlTag', array('tag' => null)),
        ));

$this->view->form = $form;
echo $this->view->render('lehrer/register11.phtml');



------------
view
------------
<tr>
            <td><label for="label2">Ihr Vorname *</label><?=$this->form->getElement('vorname')?></td>
            <td><label for="nachname">Ihr Nachname *</label>
              <?=$this->form->getElement('nachname')?></td>
</tr>


----------
output
----------

<td>
<label for="vorname">Ihr Vorname *</label><div tag="">
<input type="text" name="vorname" id="vorname" value=""></div></td>