<?php query_posts('showposts=3'); if (have_posts()) : while (have_posts()) : the_post(); ?>

    <h1><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h1>
    <p><?php the_time(); ?></p>
    <?php the_content(); ?>
    <p><?php the_tags(); ?></p>

<?php endwhile;?>

    <p><?php next_posts_link(); ?></p>
    <p><?php previous_posts_link(); ?></p>

<?php else : ?>

    <h1>Not Found</h1>
    <p>Silly monkey.</p>

<?php endif; wp_reset_query(); ?>

แบบสุ่ม

<ul>
    <?php
        global $post;
        $current_post = $post;

        for($i = 1; $i <= 3; $i++):
        $post = get_previous_post();
        setup_postdata($post);

        echo '<li>';
        echo '<h3>' . get_the_title() . '</h3>';
        the_excerpt();
        echo get_post_meta($post->ID, 'your_metafield_name', true);
        echo '</li>';
        endfor;
        $post = $current_post; 
    ?>
</ul>

more https://developer.wordpress.org/themes/basics/the-loop/