English Language Arts
Grade 9
15 min
Use semicolons and commas to separate clauses
Use semicolons and commas to separate clauses
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Introduction & Learning Objectives
Learning Objectives
Identify independent and dependent clauses within complex sentences.
Correctly use a comma and a coordinating conjunction to join two independent clauses.
Correctly use a semicolon to join two closely related independent clauses.
Differentiate between a correctly punctuated compound sentence and a comma splice.
Revise run-on sentences and comma splices using appropriate punctuation and conjunctions.
Analyze the stylistic effect of choosing a semicolon over a comma and conjunction in their own analytical writing.
Ever feel like your sentences are either too short and choppy or they run on forever? 🏃♂️ Let's learn how to build stronger, more sophisticated sentences.
This tutorial focuses on two powerful tools for connecting ideas: the comma and the...
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Key Concepts & Vocabulary
TermDefinitionExample
ClauseA group of words that contains both a subject (who or what the sentence is about) and a verb (the action or state of being).The protagonist faced a dilemma.
Independent ClauseA clause that can stand alone as a complete sentence because it expresses a complete thought.The author uses vivid imagery.
Dependent ClauseA clause that cannot stand alone as a complete sentence because it does not express a complete thought. It often begins with a subordinating conjunction (e.g., because, although, since, while).Because the author uses vivid imagery...
Coordinating ConjunctionA word that joins words, phrases, or clauses of equal grammatical rank. The seven coordinating conjunctions can be remembered with the acronym FANBOYS.For, And, Nor, But, Or, Yet, So (FANBOYS)
Comma...
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Key Rules & Conventions
Formula 1: Comma + Coordinating Conjunction
Independent Clause, + FANBOYS + Independent Clause.
Use this formula to connect two complete sentences (independent clauses) into one compound sentence. The comma always comes before the coordinating conjunction. This method is best when you want to show a specific relationship (like contrast with 'but' or cause-and-effect with 'so') between the two ideas.
Formula 2: The Semicolon
Independent Clause; + Independent Clause.
Use a semicolon to connect two independent clauses that are very closely related in meaning. The idea in the second clause should directly follow from, explain, or contrast with the idea in the first. This creates a sophisticated, seamless connection without a conjunction.
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Challenging
In analytical writing, what is the primary stylistic effect of choosing a semicolon over a period to connect two sentences?
A.It makes the writing seem more formal and academic.
B.It creates a closer, more immediate logical link between two ideas.
C.It slows down the reading pace more than a period does.
D.It signals that the second idea is much less important than the first.
Challenging
A student is writing a thesis: 'In 'The Great Gatsby,' the American Dream is portrayed as an illusion.' Which supporting sentence uses a semicolon most effectively to create a sophisticated link between two supporting points?
A.Gatsby amasses great wealth; his dream of winning Daisy remains unfulfilled.
B.Gatsby amasses great wealth, but his dream of winning Daisy remains unfulfilled.
C.Gatsby amasses great wealth. His dream of winning Daisy remains unfulfilled.
D.Gatsby amasses great wealth; and his dream of winning Daisy remains unfulfilled.
Challenging
Consider the stylistic difference. Sentence 1: 'The author's argument is logical, but it lacks emotional appeal.' Sentence 2: 'The author's argument is logical; it lacks emotional appeal.' Why might a writer choose Sentence 2?
A.To make the two clauses seem completely unrelated.
B.To explicitly state the contrast using the word 'but'.
C.To create a more subtle, understated contrast by simply placing the two opposing ideas side-by-side.
D.To fix a comma splice, as Sentence 1 is grammatically incorrect.
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