The cat is purring.
Meaning: This sentence describes a specific cat's current action of making a low, continuous sound with its throat. It's a simple way to say that a cat is making a noise that shows it's happy or content.
Choice of Words: The is a definite article that refers to a specific noun. Cat is a noun that refers to a domesticated feline animal. Is is the present tense of the verb to be, which describes a state of existence. Purring is a present participle of the verb to purr, which means to make a low, continuous sound with the throat.
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Related Expressions