The main requirement was, to show sidebar in static homepage in twentyseventeen theme with comments form. Check the screenshot
Solution
I have created a template,named Home Sidebar for twentyseventeen theme . I am sharing the template with you
Put this template in your twentyseventeen theme folder and use it to create page with sidebar and comments form.
<?php
/**
* Template Name: Home Sidebar
*
*/
?>
<!DOCTYPE html>
<html <?php language_attributes(); ?> class="no-js no-svg">
<head>
<meta charset="<?php bloginfo( 'charset' ); ?>">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="profile" href="http://gmpg.org/xfn/11">
<?php wp_head(); ?>
<style>
.entry-content {
text-align: justify;
}
.home div#comments {
width: 100% !important;
}
</style>
</head>
<body class="home page-template page-template-opc-home page-template-opc-home-php page page-id-20 logged-in admin-bar twentyseventeen-front-page has-header-image page-two-column colors-dark customize-support has-sidebar">
<div id="page" class="site">
<a class="skip-link screen-reader-text" href="#content"><?php _e( 'Skip to content', 'twentyseventeen' ); ?></a>
<header id="masthead" class="site-header" role="banner">
<?php get_template_part( 'template-parts/header/header', 'image' ); ?>
<?php if ( has_nav_menu( 'top' ) ) : ?>
<div class="navigation-top">
<div class="wrap">
<?php get_template_part( 'template-parts/navigation/navigation', 'top' ); ?>
</div><!-- .wrap -->
</div><!-- .navigation-top -->
<?php endif; ?>
</header><!-- #masthead -->
<?php
/*
* If a regular post or page, and not the front page, show the featured image.
* Using get_queried_object_id() here since the $post global may not be set before a call to the_post().
*/
if ( ( is_single() || ( is_page() && ! twentyseventeen_is_frontpage() ) ) && has_post_thumbnail( get_queried_object_id() ) ) :
echo '<div class="single-featured-image-header">';
echo get_the_post_thumbnail( get_queried_object_id(), 'twentyseventeen-featured-image' );
echo '</div><!-- .single-featured-image-header -->';
endif;
?>
<div class="site-content-contain">
<div id="content" class="site-content">
<div class="wrap">
<?php if ( is_home() && ! is_front_page() ) : ?>
<header class="entry-header">
<?php the_title( '<h2 class="entry-title">', '</h2>' ); ?>
<?php twentyseventeen_edit_link( get_the_ID() ); ?>
</header><!-- .entry-header -->
<?php endif; ?>
<div id="primary" class="content-area">
<main id="main" class="site-main" role="main">
<?php
if ( have_posts() ) :
/* Start the Loop */
while ( have_posts() ) : the_post();
/*
* Include the Post-Format-specific template for the content.
* If you want to override this in a child theme, then include a file
* called content-___.php (where ___ is the Post Format name) and that will be used instead.
*/
get_template_part( 'template-parts/post/content', get_post_format() );
// If comments are open or we have at least one comment, load up the comment template.
if ( comments_open() || get_comments_number() ) :
comments_template();
endif;
endwhile;
the_posts_pagination( array(
'prev_text' => twentyseventeen_get_svg( array( 'icon' => 'arrow-left' ) ) . '<span class="screen-reader-text">' . __( 'Previous page', 'twentyseventeen' ) . '</span>',
'next_text' => '<span class="screen-reader-text">' . __( 'Next page', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'arrow-right' ) ),
'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentyseventeen' ) . ' </span>',
) );
else :
get_template_part( 'template-parts/post/content', 'none' );
endif;
?>
</main><!-- #main -->
</div><!-- #primary -->
<aside id="secondary" class="widget-area" role="complementary" aria-label="<?php esc_attr_e( 'Blog Sidebar', 'twentyseventeen' ); ?>">
<?php dynamic_sidebar( 'sidebar-1' ); ?>
</aside><!-- #secondary -->
</div><!-- .wrap -->
<?php get_footer();
If you have any issue feel free to ask me question here in comments section
OR Contact me in Skype:om2000_cuet
All About Basic 
The entry-header in this template acts like a coloumn and takes 30% of space (float: right; width: 30%; here in my installation. Is this a bug or wanted? If wanted… why?
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would you mind to share me your site url?
you want to change anything?
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I found the error, it was not your template – it was my customizer css 🙂 thx!
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