SAT-ACT Writing: Parallel Structure Fixing Faulty Comparisons Lists

What This Is and Why It Matters

Parallel structure is a fundamental concept in English grammar that ensures consistency in the form of words, phrases, or clauses in a sentence. It matters because it enhances clarity, readability, and professionalism in writing. On exams like the SAT and ACT, parallel structure questions are common and can significantly impact your score. Getting it wrong can lead to confusing sentences, misinterpretation, and a loss of credibility in professional communications. For instance, a job application with faulty comparisons can make you appear unprofessional and careless.

Core Knowledge (What You Must Internalize)

• Parallel structure: The use of the same grammatical form for items in a list or for paired ideas. (Why this matters: It ensures clarity and consistency in writing.)
• Faulty comparisons: Errors that occur when items being compared are not in the same grammatical form. (Why this matters: It leads to confusion and poor readability.)
• Coordinating conjunctions: Words like "and," "or," "but," "nor," "for," "yet," and "so" that connect words, phrases, or clauses of equal importance. (Why this matters: They signal the need for parallel structure.)
• Correlative conjunctions: Pairs of conjunctions like "either...or," "neither...nor," "both...and," "not only...but also" that require parallel structure. (Why this matters: They emphasize the relationship between items.)
• Lists: Series of items that should be in the same grammatical form. (Why this matters: Consistency in lists aids comprehension.)

Step‑by‑Step Deep Dive

1. Identify the need for parallel structure.
2. Underlying principle: Parallel structure is required when using coordinating or correlative conjunctions and when listing items.
3. Example: "She likes hiking, to swim, and biking." (Incorrect)
4. Correction: "She likes hiking, swimming, and biking." (Correct)

5. ⚠️ Common pitfall: Mixing different grammatical forms in a list.

6. Match the grammatical form.

7. Underlying principle: All items in a list or comparison should be in the same form (e.g., all nouns, all verbs, all gerunds).
8. Example: "The report should be clear, concise, and easy to read." (Correct)
9. Incorrect example: "The report should be clear, concise, and easily read." (Incorrect)

10. ⚠️ Common pitfall: Using different parts of speech in a list.

11. Use parallel structure with correlative conjunctions.

12. Underlying principle: Both parts of the correlative conjunction must introduce items of the same grammatical form.
13. Example: "She is not only intelligent but also kind." (Correct)
14. Incorrect example: "She is not only intelligent but also kindness." (Incorrect)

15. ⚠️ Common pitfall: Mixing nouns and adjectives with correlative conjunctions.

16. Maintain consistency in comparisons.

17. Underlying principle: Items being compared should be in the same grammatical form.
18. Example: "I prefer reading to watching TV." (Correct)
19. Incorrect example: "I prefer reading than to watch TV." (Incorrect)
20. ⚠️ Common pitfall: Using different verb forms in comparisons.

How Experts Think About This Topic

Experts view parallel structure as a tool for enhancing clarity and readability. They automatically check for consistency in grammatical forms when using coordinating and correlative conjunctions, and when creating lists. This habitual check ensures that their writing is always clear and professional.

Common Mistakes (Even Smart People Make)

1. The mistake: Mixing verb forms in a list.
2. Why it's wrong: It creates confusion and disrupts the flow of the sentence.
3. How to avoid: Always use the same verb form for all items in a list.

4. Exam trap: Questions that include lists with mixed verb forms.

5. The mistake: Using different parts of speech with correlative conjunctions.

6. Why it's wrong: It leads to grammatical inconsistency.
7. How to avoid: Verify that both parts of the correlative conjunction introduce items of the same grammatical form.

8. Exam trap: Sentences with correlative conjunctions that mix nouns and adjectives.

9. The mistake: Inconsistent comparisons.

10. Why it's wrong: It makes the comparison unclear.
11. How to avoid: Check that items being compared are in the same grammatical form.

12. Exam trap: Comparisons that use different verb forms.

13. The mistake: Ignoring parallel structure in complex sentences.

14. Why it's wrong: It can lead to long, confusing sentences.
15. How to avoid: Break down complex sentences and verify parallel structure in each part.
16. Exam trap: Long sentences with multiple clauses that lack parallel structure.

Practice with Real Scenarios

Scenario 1: You are writing a job application and need to list your skills. Question: How should you list your skills to maintain parallel structure? Solution: 1. Identify the need for parallel structure in the list. 2. Match the grammatical form of all items. 3. Use gerunds for all skills. Answer: "My skills include writing, editing, and proofreading." Why it works: All items in the list are gerunds, maintaining parallel structure.

Scenario 2: You are writing a report and need to compare two activities. Question: How should you structure the comparison to maintain parallel structure? Solution: 1. Identify the need for parallel structure in the comparison. 2. Match the grammatical form of the items being compared. 3. Use the same verb form for both activities. Answer: "I prefer jogging to cycling." Why it works: Both activities are in the gerund form, maintaining parallel structure.

Scenario 3: You are writing an email and need to use a correlative conjunction. Question: How should you structure the sentence to maintain parallel structure? Solution: 1. Identify the need for parallel structure with the correlative conjunction. 2. Match the grammatical form of the items introduced by the correlative conjunction. 3. Use adjectives for both items. Answer: "She is both intelligent and kind." Why it works: Both items introduced by the correlative conjunction are adjectives, maintaining parallel structure.

Quick Reference Card

• Core rule: Use the same grammatical form for items in a list or comparison.
• Key principle: Parallel structure enhances clarity and readability.
• Critical facts:
• Coordinating conjunctions require parallel structure.
• Correlative conjunctions require parallel structure.
• Lists should maintain consistent grammatical forms.
• Dangerous pitfall: Mixing different grammatical forms in a list or comparison.
• Mnemonic: "Same form, clear norm."

If You're Stuck (Exam or Real Life)

• What to check first: Verify the grammatical form of each item in the list or comparison.
• How to reason from first principles: Remember that consistency in grammatical forms aids clarity.
• When to use estimation: If you're unsure, estimate the most consistent grammatical form and apply it to all items.
• Where to find the answer: Refer to grammar guides or ask a colleague for a quick review.

Related Topics

• Sentence structure: Understanding sentence structure helps in applying parallel structure effectively.
• Grammatical forms: Knowing different grammatical forms aids in maintaining parallel structure.