<span style="color:rgb(0,0,0);background-color:rgb(221,221,221);">1‘they arrive in a rush, having fled New Hampshire under a cloud’</span><br style="color:rgb(0,0,0);"/><br style="color:rgb(0,0,0);"/><a href='https://en.oxforddictionaries.com/thesaurus/under_a_cloud' target='_blank' rel='nofollow'>https://en.oxforddictionaries.com/thesaurus/under_a_cloud</a><br style="color:rgb(0,0,0);"/><span style="color:rgb(0,0,0);background-color:rgb(221,221,221);">Please explain the use of simple present in "they arrive..." and "having" in "having fled..."</span>