Summary In this video, the presenter explains the concept of the present perfect progressive tense, also referred to as the present perfect continuous tense. This grammatical structure highlights actions that began in the past and continue into the present. The video outlines the basic structure of this tense, provides examples, and clarifies its negatives. The aim is to help students understand its usage and formation clearly. Highlights 0:01 Introduction of the topic: present perfect progressive tense. 0:04 Explanation that it is also called present perfect continuous tense. 0:18 Definition of the present perfect progressive tense. 0:22 Clarification that this tense indicates actions starting in the past and continuing to the present. 0:50 Overview of the basic structure: subject + have/has + been + verb-ing + object. 1:16 Explanation of the negative form of the present perfect progressive tense. 1:31 Example given: "I have been working for the last 2 hours." 1:40 Additional example: "We have not been playing cards since morning." 1:43 Conclusion and appreciation for the students' attention.