WHAT IS A GROUP OF WORDS HAVING A SUBJECT AND A VERB

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A clause is a group of words having a subject and a verb.

A sentence is a group of words having a subject and a verb and expressing a complete thought. A clause may or may not be able to stand on its own as a sentence.

Here's a clause: "While Maria was waiting for the bus." It's a dependent clause-- the subject is "Maria" and the verb is "was waiting." But it's not a complete thought-- what happened while she was waiting? Here's a complete sentence: "While Maria was waiting for the bus, her cousin drove by and offered her a ride."

A group of words that contain a subject and a verb is a sentence

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