Used and loved by millions
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
completed one
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "completed one" is correct and usable in written English.
It can be used to refer to something that has been finished or accomplished, often in the context of tasks or projects. Example: "After weeks of hard work, I finally submitted the completed one to my supervisor."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(2)
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
58 human-written examples
McNabb completed one pass for 3 yards on the Eagles' next drive.
News & Media
NX-10 displayed on July 7 is pre-production model and is not completed one.
News & Media
We've completed one here already, folks, onto the second.
News & Media
Quarterback Tom Brady completed one 7-yard pass.
News & Media
Tens of thousands of people have completed one.
News & Media
And today, he completed one of golf's great performances.
News & Media
His testimony completed one of the more unusual transformations in the contentious history of Guantánamo.
News & Media
This one completed one of the most unique hat-tricks over three major tournaments.
News & Media
It was completed, one must emphasize, some time before Sept. 11.
News & Media
Mr. Holm-Laursen, meanwhile, stayed put and completed one assignment after another while he stood there.
News & Media
The final contract details are being completed, one person close to the talks said.
News & Media
Expert writing Tips
Best practice
When using "completed one", ensure that the context clearly indicates what 'one' refers to. For example, 'She completed one marathon this year' is more precise than 'She completed one'.
Common error
Avoid using "completed one" if the specific task or item being completed is not clear from the context. This can lead to confusion and require the reader to infer the meaning.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "completed one" functions as a verb phrase indicating the successful termination or fulfillment of a specific task, activity, or project. Ludwig AI confirms its correctness and usability across various contexts.
Frequent in
News & Media
38%
Science
35%
Wiki
8%
Less common in
Formal & Business
7%
Encyclopedias
2%
Reference
0%
Ludwig's WRAP-UP
In summary, "completed one" is a grammatically sound and frequently used phrase to denote the successful termination of an action, task, or project. Ludwig AI indicates it is correct and usable in written English. While versatile across contexts, it appears more commonly in news, scientific, and technical writing. When using the phrase, ensure clarity by providing sufficient context to specify what "one" refers to, avoiding potential ambiguity. Alternatives such as "finished one" or "accomplished one" can be employed to fine-tune the meaning. Authoritative sources like The New York Times and The Guardian frequently employ this phrase.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
finished one
Focuses on the act of finishing, suggesting a sense of conclusion or termination of a task.
accomplished one
Emphasizes the achievement aspect, implying success and skill in completing something.
achieved one
Similar to accomplished, but with a stronger emphasis on overcoming challenges to reach a goal.
executed one
Highlights the performance and carrying out of a task, often with precision.
fulfilled one
Suggests satisfying a requirement or obligation through completion.
performed one
Focuses on the action of carrying out a task or duty.
finalized one
Indicates the last stage of completion, with a focus on making something definitive.
carried out one
Emphasizes the execution of a plan or instruction.
concluded one
Suggests bringing something to an end, often implying a formal or structured process.
undertook one
Implies starting and completing a significant task or project.
FAQs
How can I use "completed one" in a sentence?
You can use "completed one" to indicate the finished execution of a task or activity. For example, "He "completed one" assignment before taking a break."
What phrases are similar to "completed one"?
Similar phrases include "finished one", "accomplished one", or "executed one", depending on the specific nuance you want to convey.
Is it more appropriate to say "completed one task" or "completed one"?
While "completed one" is grammatically correct, adding the specific noun (e.g., "completed one task") often provides clarity and avoids ambiguity. The choice depends on the context and whether the noun is already understood.
How does "completed one" compare to "finished one"?
"Finished one" is a more general term implying the cessation of an activity. "Completed one" suggests that a task or project has been brought to a successful conclusion, implying a degree of thoroughness.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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