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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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is not found

Grammar usage guide and real-world examples

USAGE SUMMARY

"is not found" is correct and usable in written English.
You can use it to indicate that something has not been discovered or located after a search. For example: The missing key was not found during the search of the suspect's house.

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Molybdenum is not found free in nature.

"This is not found footage.

Errors if SYMBOL is not found.

This structure is not found in scyphozoans.

This is not found in diesel fumes.

Voice is not found in all languages.

Encyclopedias

Britannica

This bird is not found outside the Americas.

This species is not found outside the Americas.

If the label is not found, returns false.

Returns 0 in case method is not found.

It is not found at concerts of new music.

News & Media

The New Yorker
Show more...

Expert writing Tips

Best practice

When writing formally, ensure the subject of what "is not found" is clearly stated to avoid ambiguity.

Common error

Avoid using "is not found" in contexts where the actor responsible for not finding something is relevant. Instead, rephrase to include the actor, for example, "researchers did not find" instead of "no correlation is not found".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is not found" functions as a passive construction indicating the absence or lack of discovery of something. Ludwig AI confirms its usability in written English, highlighting its role in signifying that an item hasn't been located after a search.

Expression frequency: Very common

Frequent in

Science

33%

Academia

29%

News & Media

20%

Less common in

Encyclopedias

7%

Wiki

7%

Formal & Business

4%

Ludwig's WRAP-UP

The phrase "is not found" is a grammatically correct and very commonly used passive construction indicating the absence or lack of discovery of something. Ludwig AI confirms its proper usage, noting its function to indicate that an item hasn't been located after a search. Predominantly found in scientific, academic, and news-related contexts, the phrase serves to convey information about something missing or unlocated. Alternatives include "cannot be located", "is missing", and "is absent", which can be used depending on the specific nuance intended. It is important to use the phrase with a clear subject and avoid misusing the passive voice, ensuring clarity and directness in writing.

FAQs

How can I use "is not found" in a sentence?

The phrase "is not found" indicates that something is missing or has not been located. For example, "The missing document "is not found" in the archive."

What are some alternatives to the phrase "is not found"?

You can use alternatives such as "cannot be located", "is missing", or "is absent" depending on the context.

Is "is not found" grammatically correct?

Yes, "is not found" is grammatically correct and commonly used in both formal and informal writing.

What's the difference between "is not found" and "cannot be found"?

"Is not found" is a statement of fact that something has not been located. "Cannot be found" implies a stronger sense of impossibility or difficulty in locating something.

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Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: