Embedded Files
4. Punctuate compound sentences
Compound sentence: two independent clauses (sentences) joined by a conjunction
Place a comma before (F.A.N.B.O.Y.S.: for, and, nor, but, or, yet, so) that join two sentences (unless both independent clauses have a common subject).
Incorrect: The war lasted for two years but very few people supported it.
Correct: The war lasted for two years, but very few people supported it.
Caution: Do not place a comma between two items with FANBOYS when one item is not a complete sentence.
Incorrect: The war was long, and brutal but never produced many casualties.
Correct: The war was long and brutal but never produced many casualties.
Incorrect: I hope all students understand the importance of correct grammar, and believe everyone can benefit from reviewing the rules in The Elements of Style.
Incorrect: I hope all students understand the importance of correct grammar, and believe everyone can benefit from reviewing the rules in The Elements of Style.
Correct: I hope all students understand the importance of correct grammar and believe everyone can benefit from reviewing the rules in The Elements of Style.
Correct: I hope all students understand the importance of correct grammar and believe everyone can benefit from reviewing the rules in The Elements of Style.
-common subject of both independent clauses is “I,” so no comma is needed.
Page updated
Report abuse