Reading & WritingChapter 9: Boundaries
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Prompt
9-7 Commas with Independent Clauses: Official mapping?
💡Start with the sentence map.
Answer
Standard English Conventions → Boundaries.
Prompt
9-7 Commas with Independent Clauses: Core rule?
Answer
Use a comma before a coordinating conjunction when the conjunction joins two independent clauses.
Prompt
9-7 Commas with Independent Clauses: Sentence map?
Answer
IC, conjunction IC
ExampleIC, conjunction IC
Prompt
9-7 Commas with Independent Clauses: First move?
Answer
Ignore punctuation choices and identify the grammatical units around the blank.
Prompt
9-7 Commas with Independent Clauses: Independent-clause test?
Answer
Find a subject, finite verb, and complete proposition that can stand as a sentence.
Prompt
9-7 Commas with Independent Clauses: Dependent-clause warning?
💡Start with the sentence map.
Answer
A subject and verb do not guarantee independence; dependency markers and clause function matter.
Prompt
9-7 Commas with Independent Clauses: Period test?
Answer
Both resulting pieces must be conventionally complete sentences.
ExampleIC, conjunction IC
Prompt
9-7 Commas with Independent Clauses: Semicolon test?
Answer
For ordinary clause joining, both sides must be independent clauses.
Prompt
9-7 Commas with Independent Clauses: Colon test?
Answer
The material before the colon must be complete and the following material must elaborate on it.
Prompt
9-7 Commas with Independent Clauses: Comma test?
Answer
Name the comma's structural job; do not use it merely because you hear a pause.
Prompt
9-7 Commas with Independent Clauses: Supplement test?
💡Start with the sentence map.
Answer
Remove the interruption, verify the core, and restore complete matching boundaries.
ExampleIC, conjunction IC
Prompt
9-7 Commas with Independent Clauses: No-punctuation test?
Answer
Check whether a mark would split subject–verb, verb–object, a restrictive unit, or a compound predicate.
Prompt
9-7 Commas with Independent Clauses: Topic strategy?
Answer
Check whether a new subject and finite verb appear after the conjunction.
Prompt
9-7 Commas with Independent Clauses: Common trap?
Answer
Adding a comma before every and, but, or or—even within a compound predicate.
Prompt
9-7 Commas with Independent Clauses: Full-option substitution?
Answer
Insert each complete option into the text and evaluate the resulting sentence—not the symbol alone.
ExampleIC, conjunction IC
Prompt
9-7 Commas with Independent Clauses: Unique-answer check?
💡Start with the sentence map.
Answer
Reject an item interpretation if another offered option would also be conventionally acceptable.
Prompt
9-7 Commas with Independent Clauses: Chapter 8 boundary?
Answer
Chapter 8 chooses a logical transition; Chapter 9 punctuates sentence structure.
Prompt
9-7 Commas with Independent Clauses: Chapter 10 boundary?
Answer
Verb, pronoun, modifier, and parallel-form choices belong to Form, Structure, and Sense, not this chapter.
Prompt
9-7 Commas with Independent Clauses: Error diagnosis?
Answer
When IC, conjunction IC is the map, explain which unit each wrong mark would incorrectly split or join.
ExampleIC, conjunction IC
Prompt
9-7 Commas with Independent Clauses: Final self-check?
Answer
Map units, apply the convention, substitute all options, and confirm exactly one defensible answer.
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