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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
please let me know when
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "please let me know when" is correct and usable in written English.
You can use it when you want someone to inform you about a specific time or event. Example: "Please let me know when you have completed the report so I can review it."
✓ Grammatically correct
News & Media
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
13 human-written examples
Would somebody please let me know when astronomers figure it out?
News & Media
If you're free for a chat please let me know when and how to reach you".
News & Media
Please let me know when you've found me a new career.
News & Media
Please let me know when it's ready!
News & Media
Please let me know when you are next in Chicago.
News & Media
Please let me know when I succeed and when I fail.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
Please let me know what it was like when Sally read for you.
News & Media
Please let me know if you notice anything when your child is with mine about which I should be concerned.
News & Media
And please let me know if you buy any of them -- when I run out of mine I may be coming over to your place with glass in hand.
News & Media
So when you submit the application, please let me know, so I can send the letter to PACCOM.
Science
When you are finished reading this note, please let me know that you understand by nodding to me.
News & Media
Expert writing Tips
Best practice
When using "please let me know when", be specific about the event or condition you need to be informed about to ensure a clear and helpful response.
Common error
Avoid using "please let me know when" without clearly specifying the event or condition you're interested in. Vague requests can lead to confusion and delayed responses.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "please let me know when" functions as a polite request for information. It prompts the recipient to provide an update or notification regarding a future event or specific time. Ludwig AI confirms this is a correct usage.
Frequent in
News & Media
60%
Science
20%
Formal & Business
20%
Less common in
Social Media
0%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "please let me know when" is a grammatically sound and commonly used expression to politely request information about a future event or specific time. Ludwig AI confirms its correctness. It is versatile, fitting well in neutral and professional contexts. While sources like The New York Times and Huffington Post frequently employ it, remember to be specific about the event you are inquiring about to avoid ambiguity. Alternatives include "notify me when" or "inform me when" depending on the context and the level of formality you aim to achieve.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Could you tell me when
Uses a polite question structure instead of a direct request.
Notify me when
A straightforward request for notification.
Kindly inform me when
Replaces "please let me know" with a more formal alternative.
Advise me when
A more concise and direct way to ask for notification.
Inform me of the time when
More formal and emphasizes the specific time.
Keep me updated on when
Implies a process of ongoing updates.
Let me know the moment when
Emphasizes immediacy.
Get back to me regarding when
More informal and conversational.
Tell me the date/time when
Specifies the type of information needed.
Share with me the timing of
A slightly more elaborate way of asking.
FAQs
How can I use "please let me know when" in a sentence?
You can use "please let me know when" to politely request someone to inform you about a specific event or time. For example, "Please let me know when you have finished the report."
What are some alternatives to "please let me know when"?
Alternatives include "notify me when", "inform me when", or "could you tell me when", depending on the context and level of formality.
Is it more appropriate to use "please let me know when" or "tell me when"?
"Please let me know when" is generally more polite and suitable for professional or formal communication, while "tell me when" is more direct and appropriate for informal settings.
What is the difference between "please let me know when" and "please let me know if"?
"Please let me know when" is used to inquire about a specific time or event, whereas "please let me know if" is used to inquire about a condition or possibility. For example, "Please let me know when the meeting starts" versus "Please let me know if you can attend the meeting".
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested