anycan see wordpress comment without register?

anycan see wordpress comment without register?

i setting it anyone can not post comment without register, but i want anyone can see post comment without register. how i can do it? my comment php code show beleow .
<?php
// Do not delete these lines
    if (!empty($_SERVER['SCRIPT_FILENAME']) && 'comments.php' == basename($_SERVER['SCRIPT_FILENAME']))
        die ('Please do not load this page directly. Thanks!');

    if ( post_password_required() ) { ?>
        <p class="nocomments">This post is password protected. Enter the password to view comments.</p>
    <?php
        return;
    }
?>

<!-- You can start editing here. -->

<div class="allcomments">

<?php if ( have_comments() ) : ?>

    <h3 id="comments"><?php _e("মন্তব্যসমূহ", "solostream"); ?> (<?php comments_number('0', '1', '%');?>)</h3>

    <p class="comments-number"><a href="<?php trackback_url(); ?>" title="<?php _e("ট্রাকব্যাক ইউআরএল", "solostream"); ?>"><?php _e("ট্রাকব্যাক ইউআরএল", "solostream"); ?></a> | <a title="<?php _e("Comments RSS Feed for This Entry", "solostream"); ?>" href="<?php the_permalink() ?>feed"><?php _e("মন্তব্যসমূহের আরএসএস ফিড", "solostream"); ?></a></p>

    <div class="comments-navigation clearfix">
        <div class="alignleft"><?php previous_comments_link() ?></div>
        <div class="alignright"><?php next_comments_link() ?></div>
    </div>

    <?php // list pings separately
    if ( ! empty($comments_by_type['pings']) ) : ?>
        <div class="pings">
            <h3><?php _e("Sites That Link to this Post", "solostream"); ?></h3>
            <ol class="pinglist">
                <?php wp_list_comments('type=pings&callback=list_pings'); ?>
            </ol>
        </div>
    <?php endif; ?>

    <ol class="commentlist">
        <?php
            $avsize = get_option('solostream_grav_size');
            wp_list_comments('type=comment&avatar_size='.$avsize);
        ?>
    </ol>

 <?php else : // this is displayed if there are no comments so far ?>

    <?php if ('open' == $post->comment_status) : ?>
        <!-- If comments are open, but there are no comments. -->

     <?php else : // comments are closed ?>
        <!-- If comments are closed. -->
        <p class="nocomments"><?php _e("মন্তব্যসমূহ বন্ধ করা হল.", "solostream"); ?></p>

    <?php endif; ?>

<?php endif; ?>

</div>

<?php if ('open' == $post->comment_status) : ?>

    <div id="respond">

        <form action="<?php echo get_option('siteurl'); ?>/wp-comments-post.php" method="post" id="commentform">

            <h3><?php comment_form_title(__("মন্তব্য দিন", "solostream"), __("Leave a Reply", "solostream")); ?></h3>

            <div class="cancel-comment-reply">
                <?php cancel_comment_reply_link(); ?>
            </div>

            <?php if ( get_option('comment_registration') && !$user_ID ) : ?>

                <p><?php _e("You must be", "solostream"); ?> <a href="<?php echo get_option('siteurl'); ?>/wp-login.php?redirect_to=<?php echo urlencode(get_permalink()); ?>"><?php _e("logged in", "solostream"); ?></a> <?php _e("মন্তব্য প্রকাশ করুন", "solostream"); ?>.</p>

            <?php else : ?>

                <?php if ( $user_ID ) : ?>

                    <p><?php _e("সাথে আছে", "solostream"); ?> <a href="<?php echo get_option('siteurl'); ?>/wp-admin/profile.php"><?php echo $user_identit