<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form action=" method='get' action=">
<select name='waardes'>
<option value='Waarde1'>zoek achternaam: </option>
</select>
<input name='$ingevuld' type='text' value=''><input name='submit' value='zoeken'>
</form>
</body>
</html>