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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
while that's happening
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "while that's happening" is correct and usable in written English
It can be used to indicate that something is occurring simultaneously with another event or action. Example: "I will start cooking dinner while that's happening, so we can eat as soon as you arrive."
✓ Grammatically correct
News & Media
Wiki
Academia
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
21 human-written examples
And while that's happening, the person's health is deteriorating.
News & Media
You hope while that's happening, that somebody's also got their eye on preserving the old places that are part of how it became Music City USA.
News & Media
While that's happening I ask Krishnendu Majumdar, who's showrunning Hoff The Record alongside partner Richard Yee, if he feels like he's actually spent time with David, rather than The Hoff. "Off camera he's a level-headed, generous guy," Krish explains.
News & Media
And while that's happening, I'm learning and understanding".
News & Media
But the odd thing with my situation is that I am still alive while that's happening".
News & Media
While that's happening slowly, insiders say the history of new technologies gives them hope.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
The presiding officer while that was happening: Sen. Cindy Hyde-Sen. Cindy
News & Media
Even while that is happening, scores of local governments in California, Colorado and other states have gone the other way and imposed bans or moratoriums on distribution even though state law allows it.
News & Media
Don't do anything while that is happening, just let it proceed.
Wiki
You can also comment on something that's happening nearby, while you're standing near each other.
Wiki
But while all that's happened, our customer loyalty has improved and churn has gone down.
News & Media
Expert writing Tips
Best practice
Place the phrase at the beginning of a sentence to act as a smooth transition between two different subjects performing simultaneous actions.
Common error
Avoid using the contraction in formal academic or legal documents. In these contexts, you should expand the phrase to "while that is happening" or use a more formal transition like "simultaneously" to maintain the appropriate register.
Source & Trust
87%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "while that's happening" functions as a temporal subordinate clause or a conjunctive transition. According to Ludwig AI, it is primarily used to bridge two independent ideas by establishing a temporal overlap. The use of the demonstrative pronoun "that" requires a clear antecedent in the previous sentence or clause.
Frequent in
News & Media
75%
Wiki & How-to
15%
Academia
5%
Less common in
Science
3%
Formal & Business
1%
Social Media
1%
Ludwig's WRAP-UP
The phrase "while that's happening" is a versatile and correct tool for coordinating simultaneous actions in English. Ludwig AI highlights its prevalence in News & Media and instructional guides, where it helps maintain narrative momentum. While perfectly acceptable in most writing contexts, it is important to remember that it relies on a clear antecedent for the word "that". For highly formal writing, consider using "simultaneously" or expanding the contraction. Overall, it is an essential phrase for creating a sense of dynamic, parallel progress in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at the same time
Uses a prepositional phrase instead of a subordinate clause while maintaining the exact same meaning
meanwhile
A single-word adverbial alternative that often functions better as a transition at the start of a sentence
in the meantime
Focuses more on the interval of time created by the first action
simultaneously
Increases formality and emphasizes the precise synchronization of events
as this occurs
Uses more formal vocabulary and avoids the contraction for a professional tone
concurrently
A technical or legal term used for events running in parallel
while that is in progress
Suggests a more formal or administrative context where the first action is a defined process
as that unfolds
Adds a narrative or dramatic flair, suggesting a story or complex situation developing
during that time
Shifts the focus from the action itself to the temporal duration
all the while
Adds emphasis to the continuous nature of the simultaneous event
FAQs
How to use "while that's happening" in a sentence?
You use it to link two concurrent actions. For example: "The software will download the updates; "while that's happening", you can continue working on your document."
What can I say instead of "while that's happening"?
You can use alternatives like "at the same time", "meanwhile", or "simultaneously" depending on the context.
Which is correct, "while that's happening" or "meanwhile"?
Both are correct. "while that's happening" is often used as a subordinating phrase, whereas "meanwhile" usually functions as a conjunctive adverb at the start of a new sentence.
Is "while that's happening" too informal for business writing?
It is generally considered neutral. However, if you want to sound more professional, you might choose "in the interim" or "concurrently".
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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
87%
Authority and reliability
4.8/5
Expert rating
Real-world application tested