I still remember one of my first big speaking engagements. I spent weeks preparing, rehearsing every word and perfecting my slides. I wanted to be flawless. But when I stepped onstage, something ...

To play this video you need to enable JavaScript. Do you have a question you want us to answer? You can send us your questions to [email protected] 1. We can use both present perfect and past ...

Whether teaching or learning the present perfect, it is often useful to present the two verb aspects in a contrastive way. Compare the following: 'Dick Francis has been writing novels since 1957. In ...