<form action="/action_page.php">
<input type="checkbox" name="dil1" value="ing">İngilizce
<br>
<input type="checkbox" name="dil2" value="fr">Fransızca
<br>
<input type="checkbox" name="dil3" value="alm">Almanca
<br><br>
<input type="submit">
</form>