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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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have not confirmed

Grammar usage guide and real-world examples

USAGE SUMMARY

"have not confirmed" is correct and usable in written English.
You can use it when you want to express that something has not yet been established as fact. For example, "Although there has been speculation, authorities have not confirmed the identity of the perpetrator."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

(They have not confirmed).

News & Media

The New Yorker

Officials have not confirmed these reports.

News & Media

Independent

Officials have not confirmed her identity.

News & Media

The New York Times

The police have not confirmed any of these reports.

News & Media

The Guardian

Israeli officials have not confirmed or denied the Hamas accusations.

News & Media

The New York Times

Police have not confirmed the details of witness' report.

News & Media

Independent

F.T.C. officials have not confirmed any investigation, citing commission policy.

However, officials said they have not confirmed the number of deaths.

News & Media

The New York Times

Although they have not confirmed a reunion, Bloc Party posted a Yuletide group photo in December.

The authorities have not confirmed that the name on the passport is the man's correct name.

News & Media

The New York Times

Police have not confirmed reports body parts were found cooking on the stove.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

When reporting information that lacks official endorsement, use "have not confirmed" to maintain journalistic integrity and avoid spreading misinformation.

Common error

Be careful not to interpret "have not confirmed" as a denial. It simply means that the information is not yet officially verified, not that it's necessarily false.

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

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "have not confirmed" primarily functions as a verbal phrase within a sentence. It indicates a lack of validation or verification of a statement or piece of information. Ludwig provides numerous examples showcasing its usage in various contexts.

Expression frequency: Very common

Frequent in

News & Media

80%

Science

10%

Formal & Business

5%

Less common in

Academia

2%

Encyclopedias

1%

Wiki

2%

Ludwig's WRAP-UP

The phrase "have not confirmed" is a grammatically correct and frequently used verbal phrase, as highlighted by Ludwig. Its primary function is to express the absence of verification or validation, commonly employed in news reporting and other contexts where accuracy and neutrality are essential. As Ludwig AI confirms, the phrase is suitable for general use but is particularly important in fields where it's critical not to spread potentially false information, and its most frequent use is in News & Media.

FAQs

How to use "have not confirmed" in a sentence?

You can use "have not confirmed" when you want to express that something has not yet been established as fact. For instance, "Although there has been speculation, authorities "have not confirmed the identity of the perpetrator."

What can I say instead of "have not confirmed"?

You can use alternatives like "have not ascertained", "have not verified", or "remain unconfirmed" depending on the specific context.

Which is correct, "have not confirmed" or "has not confirmed"?

"Have not confirmed" is used with plural subjects (e.g., "They have not confirmed"), while "has not confirmed" is used with singular subjects (e.g., "He has not confirmed").

What's the difference between "have not confirmed" and "denied"?

"Have not confirmed" means there is no official verification yet. "Denied" means a statement or claim has been explicitly declared untrue.

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Source & Trust

87%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: