We talk about perfect "have" and progressive "be", as well as how to incorporate these phrases into x-bar trees. LIKE AND SHARE THE VIDEO IF IT HELPED! Visit our website: http://bit.ly/1zBPlvm Subscribe on YouTube: http://bit.ly/1vWiRxW Like us on Facebook: http://on.fb.me/1vWwDRc Submit your questions on Reddit: http://bit.ly/1GwZZrP #Linguistics #Syntax #Language -Playlists- Introduction to Linguistics:    • Introduction to Linguistics (Phonetic...   Syntax:    • Syntax   Phonology:    • Phonology   -Recommended Textbooks- Syntax: A Generative Introduction: https://amzn.to/3m2GUb7 Core Syntax: A Minimalist Approach: https://amzn.to/37jFeWm Language Files: Materials for an Introduction to Language and Linguistics: https://amzn.to/3nYrO89 Contemporary Linguistic Analysis (O'Grady and Archibald): https://amzn.to/2HibGxC Understanding Phonology: https://amzn.to/2HdQcBM Understanding Syntax: https://amzn.to/3k7777C Understanding Morphology: https://amzn.to/3nZuX7G The Sounds of Language: An Introduction to Phonetics and Phonology: https://amzn.to/3lT8kA3 Hello, welcome to TheTrevTutor. I'm here to help you learn your college courses in an easy, efficient manner. If you like what you see, feel free to subscribe and follow me for updates. If you have any questions, leave them below. I try to answer as many questions as possible. If something isn't quite clear or needs more explanation, I can easily make additional videos to satisfy your need for knowledge and understanding.