The student is asking whether a comma is correctly placed before a parenthetical phrase in a declarative sentence. | Step-by-Step Solution
Problem
Is the following sentence grammatically correct? 'She is beyond good, in my opinion.' Specifically, is the comma placement correct?
šÆ What You'll Learn
- Understand when to use commas with parenthetical phrases or interjections
- Apply comma rules correctly in writing to improve clarity and readability
Prerequisites: Understanding of basic sentence structure, Familiarity with comma rules for parenthetical expressions
š” Quick Summary
Great question ā this falls right into the world of punctuation and how we signal to readers which parts of a sentence are essential versus extra! Here's something to think about: if you removed the phrase "in my opinion" from the sentence entirely, would the sentence still make complete sense on its own? That's actually a really powerful test for figuring out what role a phrase is playing. Once you've thought about that, consider what we call phrases that add a personal comment or aside without being grammatically necessary to the sentence ā do you know what that type of phrase is called, and how punctuation typically treats it? You probably already have some intuition about this from reading, so trust yourself and see what you come up with!
Step-by-Step Explanation
Let's Talk Commas! š
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1. What We're Solving
You want to know if the comma in 'She is beyond good, in my opinion' is placed correctly. This is a common punctuation situation.
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2. The Approach
To solve this, identify what kind of phrase "in my opinion" is, and then ask: does that type of phrase need to be set off with a comma?
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3. Step-by-Step Solution
Step 1: Identify the phrase in question Look at "in my opinion." Does the sentence need this phrase to make sense?
- "She is beyond good" ā ā Complete sentence without it!
Step 2: Name that phrase When a phrase can be removed without breaking the sentence, it's called a parenthetical expression ā it adds extra commentary or a personal note.
Other examples: "however," "to be honest," "frankly"
Step 3: Apply the rule Parenthetical expressions at the end of a sentence should be separated from the main clause with a comma.
> Main clause [comma] parenthetical phrase.
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4. The Answer
ā Yes! The comma placement is perfectly correct.
The comma before "in my opinion" properly signals that it's a parenthetical add-on ā like a little editorial aside from the speaker.
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5. Memory Tip š”
Think of parenthetical phrases as footnotes you're adding out loud ā they need a comma to show they're extra, not essential. If you could wrap it in parentheses (in my opinion), you almost certainly need a comma! š
ā ļø Common Mistakes to Avoid
- Using a single comma before a parenthetical phrase instead of commas on both sides
- Omitting commas entirely around parenthetical elements in the middle of a sentence
- Confusing parenthetical phrases with other sentence elements that don't require commas
This explanation was generated by AI. While we work hard to be accurate, mistakes can happen! Always double-check important answers with your teacher or textbook.

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š· Problem detected:
Solve: 2x + 5 = 13
Step 1:
Subtract 5 from both sides...
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