The following code shows how to place checkbox or radio option within an input group.
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-git2.js'></script>
<link rel="stylesheet" type="text/css"
href="http://getbootstrap.com/assets/css/docs.css">
<link rel="stylesheet" type="text/css"
href="http://getbootstrap.com/dist/css/bootstrap.css">
<script type='text/javascript'
src="http://getbootstrap.com/dist/js/bootstrap.js"></script>
</head><!--from ww w . j a va 2 s. co m-->
<body style='margin:30px'>
<h3 id="btn-groups-single">Checkboxes and radio buttons</h3>
<div class="row">
<div class="col-lg-6">
<div class="input-group">
<span class="input-group-addon">
<input type="checkbox">
</span>
<input type="text" class="form-control">
</div>
</div>
<div class="col-lg-6">
<div class="input-group">
<span class="input-group-addon">
<input type="radio">
</span>
<input type="text" class="form-control">
</div>
</div>
</div>
</body>
</html>