“Let’s see,” you may say to yourself about three-quarters through the typical first-year Spanish course, “how many verb tenses have we studied? 1. Present Indicative; 2. Imperfect Indicative; 3.
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 ...