In this English grammar lesson, you will learn how to use the preposition AT. A preposition is a word that comes before a noun phrase. We use the preposition "at" as a preposition of time and preposition of place. We can also use AT to describe activities and speed. Watch the video to see all the different uses with example sentences. Other videos: BEEN vs GONE: https://www.youtube.com/watch?v=rbXkL1rlnJ0 Modal verb SHOULD: https://www.youtube.com/watch?v=fAXistiCVK0 Listening exercises:    • English listening practice   ANY MORE and ANYMORE: https://www.youtube.com/watch?v=nAAKUy6i24c IELTS online course and ebook: http://bit.ly/2VAivAB Private English lessons & speaking practice: http://bit.ly/2LIP3UG Andrew, Crown Academy of English https://www.crownacademyenglish.com/ https://twitter.com/Crown_English null Photo credits by FreeDigitalPhotos.net : “Smiling Young Couple In Bar” by photostock “Teenagers Dancing In Night Club” by photostock “Angry Employee Shouting On Phone” by imagerymajestic