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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a cases of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a cases of" is not correct in English.
Did you mean "a case of"? You can use "a case of" when referring to a specific instance or example of something, often in contexts like health, law, or situations. Example: "This is a case of mistaken identity that needs to be resolved."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

Nikolic & Zivkovic reported cervical spine injury in a cases of hanging without long-drop pattern with a frequency 3.27% (Nikolic and Zivkovic 2014).

Of the 67 luminal A cases of this series, 63 were ER-positive.

Another important factor contributing to the disappearance of serogroup A cases of meningitis from Niger may have been the massive vaccination of the population with the PS A/C vaccine during the previous three years, especially during the large outbreak in 2009.

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

A case of wine.

News & Media

The New Yorker

A case of equine inequality?

News & Media

The New York Times

A case of sympathetic identification?

News & Media

The Economist

A case of opposites attracting?

News & Media

The New York Times

A case of mistaken identity?

News & Media

The Economist

But that is a case of semantics.

News & Media

The New York Times

Was this a case of pilot error?

News & Media

The New York Times

Got a case of "creators-block"?

News & Media

The New Yorker
Show more...

Expert writing Tips

Best practice

Always use the singular form "case" when referring to a single instance or example. The correct phrase is "a case of", not "a cases of".

Common error

Avoid using the plural form "cases" after the article "a". This is a common grammatical error. Remember that "a" indicates a singular noun.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a cases of" is grammatically incorrect. Its intended function is typically to introduce an example or instance, similar to phrases like ""a case of"". According to Ludwig AI, this phrase does not follow standard grammar rules.

Expression frequency: Rare

Frequent in

Science

33%

News & Media

67%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "a cases of" is grammatically incorrect and should be avoided. The correct form is ""a case of"", which is used to refer to a single instance or example. As Ludwig AI indicates, this error violates standard grammar rules. While some examples exist, they are likely due to mistakes or non-standard usage. When writing, always ensure you use the singular form "case" after the article "a" to maintain grammatical correctness and clarity. Alternative phrases like "instances of" or "examples of" can also be used depending on the context.

FAQs

What is the correct way to use the phrase involving "case"?

The correct phrase is "a case of" to refer to a single instance. For multiple instances, use "cases of". For example, "This is "a case of" mistaken identity" is correct, while "a cases of" is not.

What are some alternatives to saying "a case of"?

Depending on the context, you can use alternatives like "an instance of", "an example of", or "a situation involving". These options can provide more clarity or formality.

When should I use "case of" versus "cases of"?

Use "case of" when referring to a single, specific situation or example. Use "cases of" when referring to multiple instances or a general pattern. For example, "There were several "cases of" fraud reported this year".

Is "a cases of" grammatically correct?

No, "a cases of" is grammatically incorrect. The correct phrasing is "a case of", using the singular noun "case" after the singular article "a".

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Source & Trust

87%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: