The word "run" in English is a versatile verb with multiple meanings, the most common being the act of moving swiftly on foot. For example, "I run every morning to stay healthy."

Its past tense is "ran," and the present participle is "running." You might say, "She ran a marathon last year," or "They are running in the park right now." The noun form is also "run," as in "Let's go for a run."