In written English and spoken English, a mix of past, present, and future tenses are used to describe past events.
Ex: My uncle died last Monday and his funeral is tomorrow. He was a wonderful man who we will miss. (note - whom we will miss is archaic and rarely used now)
For summarizing a book or a movie, or telling a joke, the simple present tense is normally used ("narrative present tense" or "historical present").
Ex: A man and a dog walk into a bar. The man orders a beer. Then, the dog orders a beer. Surprised, the bartender says to the man, "your dog talks!" The man says....
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