Help for getting a template

That’s possible. Create a new list, and set the option as follows –

Chose List type – Posts
Preset – Custom
Post type – Post
Post status – Publish
Items per page – 9
Template –

[posts]
<div class="postItem">
<a href="[post_permalink]">[post_thumbnail size="thumbnail"]</a>
<h3>[post_date] <a href="[post_permalink]">[post_title]</a></h3>
<p>[comment_count]</p>
</div>
[/posts]

Css –

#w4pl-list-[listid] .postItem{
  float: left;
  margin:0 1% 5px;
}
@media screen and ( min-width: 600px )  {
  #w4pl-list-[listid] .postItem{width:31.33%;}
}
@media screen and ( min-width: 480px ) and ( max-width: 600px )  {
  #w4pl-list-[listid] .postItem{width:48%;}
}
@media screen and ( max-width: 600px ) {
  #w4pl-list-[listid] .postItem{width:98%;}
}
#w4pl-list-[listid] .postItem img {
  margin: 0 20px;
  width: 100%;
  height: auto;
}