Used and loved by millions
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
alerting them that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "alerting them that" is correct and usable in written English.
It can be used when you want to inform someone about a specific situation or piece of information that requires their attention. Example: "She sent an email alerting them that the meeting had been rescheduled to next week."
✓ Grammatically correct
News & Media
Science
Alternative expressions(1)
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
48 human-written examples
The company will then send registered bidders e-mail alerting them that bidding has begun.
News & Media
LinkedIn said it did notify users by showing everyone a banner message alerting them that its privacy policy had changed.
News & Media
Some residents had begun getting texts from FEMA alerting them that they were eligible for hotel room vouchers.
News & Media
Results aid brand managers in employing visuals more effectively, alerting them that the more intuitive choices for front-of-package designs might not be the most suitable ones.
Science
But officials have emailed AMs alerting them that they will no longer be able to purchase alcohol at the Welsh Assembly in the daytime.
News & Media
Instead, reporters will receive in their inbox one message each day alerting them that at least one reader has sent an e-mail.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
12 human-written examples
The white squares alerted them that the green square was coming up.
New charges for medical registration, introduced last year, alerted them that things are changing.
News & Media
Call the airline ahead to alert them that you might need to board early or require additional assistance onboard.
News & Media
If she's running late, she can call customers to alert them that they can take their time getting there.
News & Media
Garrison texted her co-workers to alert them that she might be late for a conference call.
News & Media
Expert writing Tips
Best practice
When using "alerting them that", ensure the information is timely and relevant, requiring immediate attention or action. This phrase works best when the message is important and not merely informational.
Common error
Avoid using "alerting them that" in situations where a simple "telling them" or "letting them know" would suffice. Overusing it can make your communication sound overly formal or alarming when it doesn't need to be.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "alerting them that" functions as a transitive verb phrase introducing a dependent clause that specifies the content of the alert. It indicates the act of making someone aware of something, often with a sense of urgency or importance. As Ludwig AI suggests, it conveys essential information.
Frequent in
News & Media
70%
Science
15%
Formal & Business
5%
Less common in
Academia
3%
Encyclopedias
2%
Wiki
5%
Ludwig's WRAP-UP
In summary, "alerting them that" is a common and grammatically correct phrase used to convey important information that requires attention or action. As Ludwig AI highlights, it functions to notify and prompt a response. While generally neutral in register, leaning towards professional, it is frequently found in news and media, science, and formal business contexts. When using this phrase, ensure the information is timely and relevant, and consider simpler alternatives for casual communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
notifying them that
Emphasizes a more formal or official method of communication.
informing them that
A general way to convey knowledge or facts.
advising them that
Suggests giving counsel or recommendations along with the information.
warning them that
Implies conveying information about a potential danger or problem.
telling them that
A simple and direct way of communicating information.
letting them know that
An informal and conversational way to provide information.
making them aware that
Highlights the act of bringing something to someone's attention.
pointing out to them that
Draws attention to a specific detail or fact.
giving them notice that
Implies a formal announcement or official communication.
broadcasting to them that
A way of communication to many people
FAQs
What can I say instead of "alerting them that"?
You can use alternatives like "notifying them that", "informing them that", or "telling them that" depending on the context.
When is it appropriate to use "alerting them that"?
Use "alerting them that" when you need to convey urgent or important information that requires someone's immediate attention or action. It is suitable for situations where a simple message isn't enough.
Is "alerting them that" formal or informal?
The phrase "alerting them that" is generally considered neutral to formal. While understandable in most contexts, simpler alternatives like "letting them know that" may be preferable in very informal settings.
Which is correct, "alerting them that" or "alerting to them that"?
"Alerting them that" is the correct and standard usage. "Alerting to them that" is grammatically incorrect and should be avoided.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested