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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
kept on expanding
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "kept on expanding" is correct and usable in written English.
It can be used to describe a continuous process of growth or increase over time. Example: "The universe has been kept on expanding since the Big Bang, leading to the vast cosmos we see today."
✓ 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
3 human-written examples
Mr Netanyahu went behind his back to Congress and kept on expanding Jewish settlements on Palestinian land.
News & Media
Yet despite the PR difficulties, McDonald's kept on expanding (much like the world's waistbands) and in the past couple of years it has entered a sort of golden era.
News & Media
Levodopa is still the gold standard in symptomatic treatment of Parkinson's disease (PD), though there are many therapeutic options and the list kept on expanding tremendously, all with the view to improve on PD management [1].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Their application field keeps on expanding as cheaper methods for synthesizing raw materials are found.
Science
It keeps on expanding as you reach the bottom.
Wiki
The list here can be very long as it keeps on expanding as you reach the bottom.
Wiki
And then you think, no, fuck it, as 20th-century poets go, he is one of the best… and that keeps on expanding all the time.
News & Media
Any EMF model can thus be created in a separate plugin and extend one or many models allowing the overall model to keep on expanding.
LIKE the universe itself, corporate chicanery just seems to keep on expanding.
News & Media
The fear is that London would become a backwater if Paris, Frankfurt and Amsterdam keep on expanding their airports and London freezes its own.
News & Media
With each bang, the theory predicts that matter keeps on expanding and dissipating into infinite space before another horrendous blast of radiation and matter replenishes it.
News & Media
Expert writing Tips
Best practice
Use "kept on expanding" to emphasize a continuous and ongoing process of growth or increase. It's particularly effective when you want to highlight the persistence of the expansion over time.
Common error
While "kept on expanding" is correct, avoid using it excessively in a single piece of writing. Vary your language with synonyms like "continued to grow" or "persisted in expanding" to maintain reader engagement.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "kept on expanding" functions as a dynamic verb phrase, indicating a continuous action. Ludwig confirms its validity and usability. It describes the ongoing nature of growth or increase, as seen in examples like "McDonald's kept on expanding".
Frequent in
News & Media
40%
Science
30%
Wiki
10%
Less common in
Formal & Business
5%
Encyclopedias
5%
Reference
10%
Ludwig's WRAP-UP
In summary, "kept on expanding" is a grammatically sound and frequently employed verb phrase that effectively communicates continuous growth or increase. Ludwig indicates it's a correct and usable phrase. It's commonly found in news articles, scientific papers, and general writing contexts, emphasizing the sustained nature of expansion. While versatile, it's advisable to diversify language with synonyms to avoid overuse. Alternatives such as "continued to expand" or "persisted in expanding" can add nuance and variety to your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
continued to expand
Replaces "kept on" with "continued to", implying a sustained action.
continued growing
Substitutes "expanding" with "growing", offering a more general term for increase.
persisted in expanding
Replaces "kept on" with "persisted in", emphasizing the determination to expand.
maintained its expansion
Focuses on the state of expansion being maintained.
extended continuously
Highlights the continuous nature of the extension.
expanded steadily
Emphasizes the consistent pace of expansion.
expanded without ceasing
Uses a more emphatic way to indicate the action is not stopping.
progressively expanded
Highlights the gradual increase during expansion.
increased continuously
Substitutes "expanding" with "increased", offering a more general term for increase.
rolled on expanding
Conveys an impression of the action is continuing without resistance.
FAQs
How can I use "kept on expanding" in a sentence?
You can use "kept on expanding" to describe something that continuously grows or increases. For example, "The company kept on expanding its product line".
What are some alternatives to saying "kept on expanding"?
Some alternatives include "continued to expand", "continued growing", or "persisted in expanding", depending on the specific nuance you want to convey.
Is "kept on expanding" formal or informal?
"Kept on expanding" is generally considered neutral and can be used in both formal and informal contexts, though more formal writing might benefit from alternatives like "continued to expand".
What's the difference between "kept on expanding" and "expanded continuously"?
"Kept on expanding" emphasizes the ongoing nature of the expansion, while "expanded continuously" highlights the uninterrupted nature of the growth. The choice depends on which aspect you want to emphasize.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested