Much like the specters Scrooge faced in A Christmas Carol, writers face 3 different verb tenses when constructing sentences: Past, Present, and Future.
Just like the Ghost of Christmas Past, a past tense verb refers to something that has already happened. The most commonly used verb tense is present, which talks about what’s going on right at this very moment. And the final, future tense tells us what might or will happen in the future. But that's not where it ends. There are three additional ways to talk about past, present, and future tense verbs: Continuous, Perfect, and Perfect Continuous. Sometimes referred to as aspects rather than tenses, these tell us about an action that happens once or repeatedly and if it’s completed or still continuing