1.0::You learn english:: Free grammar courseshttps://youlearnenglish.com/enmedhttps://youlearnenglish.com/en/author/medrich600338<blockquote class="wp-embedded-content" data-secret="4ltqWM7inP"><a href="https://youlearnenglish.com/en/verb-tenses/past-perfect.htm">Past perfect – English grammar courses</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://youlearnenglish.com/en/verb-tenses/past-perfect.htm/embed#?secret=4ltqWM7inP" width="600" height="338" title="“Past perfect – English grammar courses” — ::You learn english:: Free grammar courses" data-secret="4ltqWM7inP" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> The past perfect tense is often used in English when we are relating two events which happened in the past. It helps to show which event happened first. It is formed with the auxiliary verb have in the past had, followed by the participle of the main verb.   Let’s take a look at some ... Read more