English Composition › Section H · The analytical report › Topic H.3
Editing focus: commas with essential and nonessential information
Two small commas can change which person, policy or product a sentence is about. Knowing when information is essential, and when it is extra, lets you punctuate reports so they say exactly what you mean.
In this topic
- Why this comma matters
- Essential and nonessential information
- The removal test
- That, which and who
- Proper nouns and unique things
- Appositives and phrases
- Worked example: punctuating a report paragraph
- Worked example: one pair, two meanings
- Dashes and parentheses
- Common mistakes to avoid
- Key takeaways
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