Punctuating Complex Sentences

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What is a complex sentence?

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A complex sentence is a sentence that contains one independent clause and at least one dependent clause.

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When should you use a comma in a complex sentence?

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Use a comma before a conjunction that connects two independent clauses or after a dependent clause when it precedes the independent clause.

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What is a dependent clause?

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A dependent clause is a group of words that has both a subject and a verb but does not express a complete thought.

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What is an independent clause?

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An independent clause is a group of words that contains a subject and a verb and expresses a complete thought.

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Example of a complex sentence with a dependent clause at the beginning.

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"Because it was raining, we stayed indoors."

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Example of a complex sentence with a dependent clause at the end.

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"We stayed indoors because it was raining."

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What punctuation is needed after an introductory dependent clause?

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A comma is needed after an introductory dependent clause.

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What is the role of conjunctions in complex sentences?

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Conjunctions connect dependent clauses to independent clauses, helping to form complex sentences.

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Identify the error: "Although she was tired she finished her homework."

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A comma is needed after "tired" to separate the dependent clause from the independent clause.

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What is the purpose of punctuation in complex sentences?

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Punctuation clarifies the meaning of sentences and indicates pauses or breaks in thought.