dont function Custom coded forms on page

my forms work well,
so i have also tried a Custom Coded Forms , i have fill a first Form by coded generated :
“””””””form method=”post” action=”……..italiancyberteam.it/?na=s” ……

<input type=”hidden” name=”nlang” value=””>
<div class=”tnp-field tnp-field-firstname”><label>Nome o nome completo</label>
…….
</div><div class=”tnp-field tnp-field-privacy”><label><input type=”checkbox” name=”ny” required class=”tnp-privacy”> Procedendo accetti la privacy policy</label></div>
<div class=”tnp-field tnp-field-button”><input class=”tnp-submit” type=”submit” value=”Iscriviti” >
</div>
</form>
—————
nothing of special , but … when i use a tag [newsletter_form form=”1”] on my page it doesn’t function … mistery