Method 1: Add the basic form using elementor widget
Edit your homepage using elementor.
In the elementor widget area, search for the widget 27 > basic form
Drag and drop it to the page where you want it to be positioned.
In the widget options, you can choose the listing types you want to include on this form.
Method 2: Add the basic form using shortcode
Get the basic form shortcode in theme tools > shortcodes > search form. You can choose the listing types you want to include there
Edit your homepage (or any page) using Elementor
Add a shortcode widget anywhere on your page
Paste the shortcode, click "Apply"
Save the changes
In the video below, you can see the second method in action