A PowerPoint that shows answer + brief rule helps in several ways:

A word of caution: Be careful searching for "free answers" online. Many unofficial sources contain typos or incorrect answers.

Legitimate sources include:

Slide 1: Introduction In the Developing Skills: Grammar & Usage, Second Edition, Set B, the progression of answers reveals a deliberate focus on three pillars of Standard English: subject-verb agreement, verb tense consistency, and parallel structure. Unlike basic memorization, the "Set B" answer key teaches students to diagnose errors by recognizing sentence patterns. A good essay on these answers demonstrates not just what the correction is, but why the rule applies.

Slide 2: Subject-Verb Agreement (The Intervening Phrase Trap) The most common pattern in Set B, Section 1, involves subject-verb agreement with intervening phrases. For example, if the answer is "The box of chocolates is empty" (not are), the essay explains that the subject (box) remains singular despite the plural object of the preposition (chocolates). The PPT slide should highlight the prepositional phrase of chocolates as a distractor.

Slide 3: Pronoun-Antecedent Agreement (The Indefinite Pronoun Rule) Another recurring answer in Set B concerns indefinite pronouns like everyone, somebody, or each. The correct answer often changes "Everyone brought their lunch" to "Everyone brought his or her lunch" (traditional) or "Everyone brought their lunch" (modern accepted usage). A strong essay notes that Set B, 2nd Edition, typically prefers the traditional singular his or her for formal writing, marking their as acceptable only in informal contexts.

Slide 4: Verb Tense Consistency (The Narrative Shift) In the paragraph-editing sections, Set B answers frequently correct unnecessary tense shifts. For instance, if a sentence reads, "He walked to the store and buys a soda," the answer key changes buys to bought. The essay explains that once a past-tense verb (walked) establishes the time frame, all subsequent main verbs must remain in the past tense unless a logical shift in time is indicated.

Slide 5: Parallel Structure (The Correlative Conjunctions) A distinctive feature of Set B, Part 4, involves correlative conjunctions (not only...but also, either...or). The correct answers always balance grammatical forms. For example: "She is not only smart but also has kindness" is corrected to "She is not only smart but also kind." The essay argues that parallelism is not a mere aesthetic choice but a grammatical requirement that reduces cognitive load for the reader.

Slide 6: Modifier Placement (Dangling and Misplaced) The answer key in Set B, Second Edition, shows a clear pattern regarding modifiers. A wrong answer like "Running down the street, the tree blocked my view" is corrected to "Running down the street, I saw the tree blocking my view." The essay emphasizes that introductory participial phrases must logically modify the subject immediately following the comma.

Slide 7: Conclusion (From Answers to Mastery) Studying the answers to Developing Skills: Grammar & Usage, Set B is not about cheating—it is about pattern recognition. A good essay on these answers demonstrates that each correction follows a predictable logical rule. By presenting these answers in a PPT, you transform a static answer key into a dynamic teaching tool, allowing students to see the architecture of error and repair.