Identify the sentence that uses proper parallel structure.

Identify the sentence that uses proper parallel structure.

• A. She likes reading, to swim, and biking.
• B. She likes reading, swimming, and biking.
• C. She likes reading, to swim, and to bike.
• D. She likes reading, swimming and biking.

Answer: (B)

Parallel structure means keeping the same grammatical form in a list after a controlling verb like “likes.” Here, the three activities should match in form. Using reading, swimming, and biking keeps all items as gerunds (verbs turned into nouns) that follow the verb, so the sentence reads smoothly and evenly. The other options mix forms—some use infinitives like “to swim” or “to bike,” which breaks the uniform pattern—and some omit the comma before the final item, which can blur the rhythm of the list. The consistency of -ing forms with the serial comma in the chosen sentence makes it the clearest, most grammatical option.

Parallel structure means keeping the same grammatical form in a list after a controlling verb like “likes.” Here, the three activities should match in form. Using reading, swimming, and biking keeps all items as gerunds (verbs turned into nouns) that follow the verb, so the sentence reads smoothly and evenly. The other options mix forms—some use infinitives like “to swim” or “to bike,” which breaks the uniform pattern—and some omit the comma before the final item, which can blur the rhythm of the list. The consistency of -ing forms with the serial comma in the chosen sentence makes it the clearest, most grammatical option.