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
did not operated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "did not operated" is not correct in English.
The correct form should be "did not operate." You can use the correct phrase when indicating that something was not functioning or did not perform as expected in the past. Example: "The machine did not operate properly during the test run."
⚠ May contain grammatical issues
News & Media
Science
Encyclopedias
Alternative expressions(20)
was not documented
was not functioning
failed to report
did not represented
did not existed
did not addressed
did not mention
did not correlated
remained inactive
did not engaged
did not work
did not disclose
did not announce
did not report
remained unrevealed
did not supported
ceased to operate
did not go
omitted from the report
did not function
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
1 human-written examples
Hobby Lobby claimed that the four demonized devices did not operated to prevent conception, but prevented the fertilized egg, the zygote, from attaching to the uterine wall.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
He did not operate a gladiator school.
News & Media
That time, the camera did not operate.
News & Media
"I'm so glad we did not operate".
News & Media
And the N train did not operate south of Manhattan.
News & Media
Property qualifications did not operate, however, before 322 bc.
Encyclopedias
Moutawakel did not operate under the same expectations in 1984.
News & Media
Shafiqa insisted that the Taliban did not operate here.
News & Media
The perpetrators did not operate in a cultural vacuum.
News & Media
Mivart did not operate on the periphery of Victorian science.
Science
Watson did not operate to anticipate the notification signal.
Wiki
Expert writing Tips
Best practice
When indicating that something did not function in the past, use the correct form: "did not operate". For example, say "The machine did not operate properly during the test run" instead of "did not operated".
Common error
Don't use the past participle form of the verb after "did not". The correct structure is "did not + base form of the verb." Therefore, avoid saying "did not operated"; instead, use the base form: "did not operate".
Source & Trust
87%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "did not operated" is intended to function as a verb phrase, indicating the absence of an action or operation. However, it's grammatically incorrect. As pointed out by Ludwig AI, the correct form is "did not operate".
Frequent in
News & Media
33.3%
Science
33.3%
Encyclopedias
33.3%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "did not operated" is grammatically incorrect; the correct form is "did not operate". While Ludwig's examples show its occurrence across contexts like News & Media, Science, and Encyclopedias, its incorrect usage impacts its reliability. It's best to use alternatives like "did not function" or "failed to operate" to ensure grammatical accuracy and clear communication. The register is generally neutral, but context-specific vocabulary contributes more significantly to the overall formality.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
did not function
Replaces "operated" with the synonym "function", correcting the grammatical error and maintaining the core meaning.
did not work
Uses the more common and informal verb "work" to express the lack of functionality.
failed to operate
Employs "failed to" to convey the unsuccessful operation, offering a slightly more formal tone.
was not operational
Shifts to a passive voice construction using "operational", suitable for technical contexts.
was not functioning
Replaces "operated" with its continuous form "functioning", keeping the meaning of not working or performing.
did not run
Uses the verb "run" to indicate that a system or machine was not in execution.
did not activate
Specifies that something was not turned on or initiated.
remained inactive
Highlights the state of being inactive rather than the action of not operating.
ceased to operate
Indicates that something stopped operating, implying a previous state of operation.
never operated
Emphasizes that something has not ever operated at any point in time.
FAQs
What is the correct way to say something didn't function?
The correct way to state something didn't function is to use "did not operate". The phrase "did not operated" is grammatically incorrect.
How can I use "did not operate" in a sentence?
You can use "did not operate" to describe a situation where something failed to function as intended. For instance, "The emergency brake "did not operate" when I needed it most."
What are some alternatives to "did not operate"?
Alternatives include phrases like "did not function", "failed to operate", or "was not operational", depending on the specific context.
Is "did not operate" formal or informal?
"Did not operate" is generally considered neutral in register, suitable for both formal and informal contexts. The appropriateness depends more on the surrounding vocabulary than the phrase itself.
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
87%
Authority and reliability
2.8/5
Expert rating
Real-world application tested