1.0라이브스마트https://atmokpo.com/wroothttps://atmokpo.com/w/author/root/rich600338<blockquote class="wp-embedded-content" data-secret="4G8tzbVvjx"><a href="https://atmokpo.com/w/36751/">English Sentence Study, Understanding Verb Tenses, Understanding Present Perfect</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://atmokpo.com/w/36751/embed/#?secret=4G8tzbVvjx" width="600" height="338" title="“English Sentence Study, Understanding Verb Tenses, Understanding Present Perfect” — 라이브스마트" data-secret="4G8tzbVvjx" 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); //# sourceURL=https://atmokpo.com/w/wp-includes/js/wp-embed.min.js </script> English is one of the most widely spoken languages in the world, and many people are learning it. One of the most important elements in the process of learning English is ‘tense’. Tense determines how verbs express the time an event occurs, namely past, present, and future. In this article, we will explore how to … 더 보기 ""