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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
about when
Grammar usage guide and real-world examplesUSAGE SUMMARY
"about when" is correct and usable in written English.
It is a phrase used to introduce a question. For example: "I was wondering about when we can start the project?".
✓ Grammatically correct
News & Media
Science
Wiki
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
59 human-written examples
What about when someone's died?
News & Media
But he disagreed about when.
News & Media
What about when it rains?
News & Media
But what about when they have children?
News & Media
What about when that goes wrong?
News & Media
What about when it goes wrong?
News & Media
What about when you were younger?
News & Media
"Think about when you cough.
News & Media
What about when it rained?
News & Media
What about when he doesn't?
News & Media
What about when the football's all over?
News & Media
Expert writing Tips
Best practice
Use "about when" to introduce questions or statements related to timing, ensuring clarity and natural flow in your writing. For example, "The article discusses "about when" the policy changes will take effect."
Common error
Ensure the context makes it clear what event or action the timing refers to. Avoid vague references that could confuse the reader. Instead of saying "There is some fuzziness "about when", be more specific: "There is some fuzziness "about when" the project should be completed."
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "about when" functions primarily as a prepositional phrase followed by a relative adverb, introducing clauses that relate to the timing of an event or action. Ludwig AI confirms this is a correct and usable phrase in written English.
Frequent in
News & Media
50%
Science
25%
Wiki
15%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "about when" is a grammatically sound and frequently used phrase for discussing or inquiring about the timing of events. Ludwig AI confirms its correctness and usability across various contexts. While it is most commonly found in News & Media and Science, considering slightly more formal alternatives like "regarding the timing of" may be appropriate for academic or professional writing. Remember to ensure clarity in your writing by explicitly stating the event or action to which the timing refers. "About when" helps to introduce clauses and statements effectively, enhancing the temporal context of your sentences.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
regarding the timing of
Replaces "about when" with a more formal and precise expression, focusing on the 'timing' aspect.
concerning the date of
Specifies the 'date' instead of a general time, offering a more concrete alternative.
in relation to the time of
A more verbose alternative emphasizing the temporal relationship.
as to the moment of
Highlights a specific 'moment' rather than a broader period.
pertaining to the period of
Focuses on a 'period' of time, implying duration.
with respect to the hour of
Emphasizes a specific 'hour', providing a more granular focus on time.
in connection with the schedule of
Relates to a 'schedule', implying a planned event.
relative to the timeframe of
Highlights a specific 'timeframe', implying a defined time boundary.
in terms of the duration of
Emphasizes the 'duration', related to the length of time something lasts.
on the subject of the occasion of
Highlights the 'occasion' itself, rather than the time.
FAQs
How can I use "about when" in a sentence?
Use "about when" to inquire or state something related to the timing of an event. For example: "The committee will decide "about when" to implement the new regulations." or "The article provides details "about when" the new product will be launched."
What are some alternatives to using "about when"?
Depending on the context, you can use alternatives such as "regarding the timing of", "concerning the date of", or "in relation to the time of".
Is it always appropriate to use "about when" in formal writing?
While "about when" is generally acceptable, more formal alternatives like "regarding the timing of" might be preferred in highly formal contexts such as academic papers or legal documents.
Which is correct, "about when" or "regarding when"?
"About when" and "regarding when" are both grammatically correct and can be used interchangeably in many situations. However, "regarding when" may sound slightly more formal.
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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
4.6/5
Expert rating
Real-world application tested