You use the perfect tense when, in English, you would say that something has happened. So, if you wanted to say: ‘You have been to the hairdresser,' 'she has eaten all the biscuits’ or anything else ...

Did you win the World Cup? Or maybe you just stayed in on your phone? If you want to talk about a completed action in the past, you need to use the preterite tense. You form the preterite by removing ...