“Teacher, I don’t understand the difference between past simple and present perfect!”

“I know what present perfect is, but I can’t use it correctly!”

These are some of the complaints students have about the present perfect, one of the most wicked trouble makers of English grammar. If you want your past to be simple and your present perfect, join Afshin in his grammar workshop, where you will understand the differences between the past simple and the present perfect, and  you will get lots of practice using the two.