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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
at three stages
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at three stages" is correct and usable in written English.
It can be used to describe a process or event that occurs at three distinct points in time or phases. Example: "The project will be evaluated at three stages: the initial proposal, the mid-term review, and the final assessment."
✓ Grammatically correct
Science
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
59 human-written examples
The report said the design flaws introduced at three stages had played a "crucial part" in the loss of the plane.
News & Media
Lincoln Center presents Noah Haidle's play about a radiologist and his relationships with his wife, daughter and nurse at three stages of his life.
News & Media
Moonlight, the rapturously received story of a young gay black man at three stages in his life, has swept the board at the Gotham awards in New York.
News & Media
It's a tougher overall sell: it tells a micro story, focusing on a black gay man at three stages over his life.
News & Media
In December last year, Welby said a review of the Wonga investment had determined that the shares were held at "three stages removed", adding that the church was trying to find the best way to get rid of them.
News & Media
So no movie was perhaps ever more sorely required to prevent another #OscarsSoWhite than Moonlight: Barry Jenkins's drama tracking a black gay man at three stages over his life.
News & Media
Trailing by two nominations were Arrival, the Amy Adamstoryrring stofy of the linguistic fallout from an alien invasion, and Moonlight, Barry Jenkins's story of a young black gay man at three stages of life.
News & Media
The interaction time had different effect at three stages.
Science
According to OL literatures (e.g. Senge, 1990), OL takes place at three stages.
Figure 15 Reconstruction of the specimen surface at three stages of expansion, image no.
Fertilizer was applied at three stages as recommended at basal, maximum tillering and panicle initiation.
Science
Expert writing Tips
Best practice
When describing a process, clearly define what occurs during each of the "at three stages" to enhance clarity and understanding.
Common error
Avoid vague descriptions that blur the distinctions between the "at three stages". Ensure each stage has unique characteristics and outcomes.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at three stages" functions as an adverbial phrase, modifying a verb or clause by specifying when or how something occurs. As Ludwig AI confirms, the phrase is grammatically sound and readily usable. The examples show its use in diverse contexts.
Frequent in
Science
64%
News & Media
27%
Formal & Business
3%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "at three stages" is a versatile and grammatically sound phrase, as confirmed by Ludwig AI, that is used to specify when something occurs during a multi-step process. It's particularly common in scientific and news contexts to indicate points of measurement, evaluation, or activity. While "in three phases" is a close alternative, "at three stages" often implies a specific moment within each stage. When using the phrase, ensure clarity by distinctly defining what characterizes each of the three stages. With 59 real-world examples, its frequent usage supports its appropriateness across diverse professional domains.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
in three phases
Replaces "stages" with "phases", a synonym indicating distinct periods.
in three steps
Substitutes "stages" with "steps", implying a sequence of actions.
at three points
Uses "points" instead of "stages", referring to specific moments in time.
in three junctures
Employs "junctures" to indicate critical moments or stages in a process.
at three intervals
Replaces "stages" with "intervals", suggesting periods of time between events.
in three segments
Uses "segments" to denote distinct parts or phases of something.
at three checkpoints
Replaces "stages" with "checkpoints", emphasizing points of assessment or verification.
in three tiers
Employs "tiers" to imply hierarchical levels or stages.
at three plateaus
Uses "plateaus" to describe stable stages or levels of progress.
in three waves
Replaces "stages" with "waves", suggesting a recurring or sequential pattern.
FAQs
How can I use "at three stages" in a sentence?
You can use "at three stages" to describe when something happens during a process. For example: "The project was reviewed "at three stages": planning, development, and completion."
What are some alternatives to the phrase "at three stages"?
Alternatives include "in three phases", "in three steps", or "at three points", depending on the specific context you're describing.
Is it better to say "in three stages" or "at three stages"?
Both "in three stages" and "at three stages" are grammatically correct and often interchangeable, but "at three stages" implies a specific point during each stage.
How does the meaning change if I use "in three phases" instead of "at three stages"?
While similar, "in three phases" suggests a more continuous progression through the stages, whereas "at three stages" emphasizes specific moments or activities within each stage.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested