Verb: This is the most common usage. It means to strike repeatedly, to defeat, or to surpass.
* Example: "The drummer beat a fast rhythm."
* Example: "The champion beat his opponent in the final round."
Noun: This refers to a single strike or a regular rhythm.
* Example: "The music had a strong beat."
* Example: "She felt a beat in her chest, like her heart was racing."
Adjective: This describes something that is worn out, exhausted, or tired.
* Example: "After the long journey, they were feeling beat."
* Example: "This old car is beat up."
Past Tense: This is the past tense of the verb "to beat."
* Example: "The police beat the suspect."
To determine the correct part of speech for "beat," you need to look at its function in the specific sentence.