<html>
<body>
<form name="" method="get">
<input type="radio" name="radiobutton" value="radiobutton" checked>
1
<input type="radio" name="radiobutton" value="radiobutton">
2
<input type="radio" name="radiobutton" value="radiobutton">
3
<input type="reset" name="Zurücksetzen" value="Zurücksetzen">
</form>
</body>
</html>