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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I flagged this
Grammar usage guide and real-world examplesUSAGE SUMMARY
The sentence "I flagged this" is correct and usable in written English.
It is a way of saying that you brought attention to something. For example, you could say: "I flagged this issue to the manager so that they could address it."
✓ Grammatically correct
News & Media
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
Just last week I flagged this company as the most exciting startup we're currently tracking.
News & Media
I flagged this up with the ECB [England and Wales Cricket Board] five or six years ago but we haven't got any closer to rectifying the problem". .
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
I flagged up this problem to the justice committee and will see how they respond," he said.
News & Media
When I put our completed petition to Scott Morrison in coming weeks I'll be flagging this with him.
News & Media
I was flagged to this footage by an energetic newshound at an unnamed campus.
News & Media
I don't know how the Oz offsets program is designed, but I flag that this is one of the key elements to encouraging the stitching together of different national approaches into an international strategy.
News & Media
I flag up this case study because the plight of Russian-speakers in Ukraine is the chief grievance justifying Kremlin intervention, ostensibly protecting its ethno-linguistic diaspora from monstrous fascists in Kiev.
News & Media
There's the obvious note that I'm checking with Sansa on something I've flagged to her already this season a couple of times -- Jon Snow is not really your brother.
News & Media
D j : This is the identifier of the disseminator D j that has performed the classification of the aggregator A i. S j ′ : This is the selected state identifier of D j. S j : This is the earlier selected state identifier of the disseminator D j aggregated by A i. Flag: This denotes a unidirectional 'uni' or bidirectional 'bi' aggregation session.
It was studying American native literature and especially Winter in the Blood by James Welch that decided her on a writing career: "To this day I flag up its importance.
News & Media
Here it is much less clear to me how to proceed, and I will simply flag this as an interesting and important open question.
Science
Expert writing Tips
Best practice
Use "I flagged this" when you want to indicate that you have brought something to someone's attention, often because it requires action or consideration.
Common error
While "I flagged this" is grammatically correct, it can sound slightly formal in casual conversations. Consider using more relaxed alternatives like "I pointed this out" or "I mentioned this" in informal settings.
Source & Trust
88%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I flagged this" functions as a statement where the speaker indicates they have brought something to someone's attention. As Ludwig AI states, this often means highlighting an issue or important piece of information.
Frequent in
News & Media
66%
Science
17%
Formal & Business
17%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "I flagged this" is a grammatically correct and usable phrase that means you brought something to someone's attention. Ludwig AI confirms its grammatical correctness and practical use. It's most commonly found in News & Media, Science, and Formal & Business contexts. While generally neutral in tone, it can come across as slightly formal in casual settings. Consider alternatives like "I pointed this out" or "I mentioned this" for informal conversations. The phrase is effective for conveying that something requires consideration or action.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I brought this to your attention
Focuses on the act of making someone aware of something.
I highlighted this
Emphasizes marking something as important or noteworthy.
I pointed this out
Highlights the act of directing someone's focus to a specific detail.
I called attention to this
Similar to 'brought to your attention' but can imply a more formal context.
I drew attention to this
Similar to 'called attention to this'.
I noted this
Implies a formal acknowledgement and recording of something.
I emphasized this
Highlights the importance of something.
I underscored this
Like 'emphasized', this phrase highlights the importance of the issue.
I signaled this
Indicates that a warning or alert was given.
I alerted you to this
More direct than 'flagged', this explicitly states a warning or notification.
FAQs
What does "I flagged this" mean?
It means that you brought something to someone's attention, often because it is important, requires action, or represents a potential problem.
What can I say instead of "I flagged this"?
You can use alternatives like "I brought this to your attention", "I highlighted this", or "I pointed this out" depending on the context.
Is "I flagged this" too formal for casual conversation?
It can be. While grammatically correct, consider using alternatives like "I mentioned this" or "I pointed this out" in more relaxed settings.
When is it appropriate to use "I flagged this"?
It's appropriate in professional settings, when reporting issues, or when you need to ensure something important isn't overlooked. It is commonly used in News & Media to address a relevant topic.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.3/5
Expert rating
Real-world application tested