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Sentence structure is parallel when a series of similar items all share the same grammatical structure—for example, all are nouns or verbs or phrases. Writers use parallelism to help readers see connections between ideas and to emphasize particular points.
But it is easy to make mistakes when trying to use parallelism in your writing. Faulty parallelism occurs when items in a series do not have the same grammatical structure.
Below are examples of sentences with faulty parallelism, followed by their corrections:
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