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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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was confirmed by

Grammar usage guide and real-world examples

USAGE SUMMARY

'was confirmed by' is a perfectly grammatical and usable phrase in written English.
You can use it when talking about something that is supported, proven, or verified. For example: "His identity as the murderer was confirmed by his own confession."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

That was confirmed by Ecclestone.

News & Media

The New York Times

His death was confirmed by NASA.

News & Media

The New York Times

His death was confirmed by his office.

News & Media

The New York Times

His death was confirmed by his family.

Mr. Gandolfini's death was confirmed by HBO.

Her death was confirmed by the university.

News & Media

The New York Times

This was confirmed by mail.

The goal was confirmed by video review.

This agreement was confirmed by two meetings.

This was confirmed by the PPO investigators.

News & Media

The Guardian

Neither case was confirmed by laboratory testing.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "was confirmed by" to build trust and credibility in your writing by highlighting the validation of your claims.

Common error

Avoid overuse of the passive voice (e.g., "was confirmed by") which can make your writing sound less direct and engaging. Consider active voice constructions where appropriate to improve clarity and impact.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "was confirmed by" functions as a passive voice construction, indicating that a piece of information or a statement has been verified or validated by a specific source. As Ludwig AI indicates, this phrase is common and grammatically sound.

Expression frequency: Very common

Frequent in

Science

43%

News & Media

40%

Formal & Business

6%

Less common in

Wiki

2%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "was confirmed by" is a grammatically correct and frequently used phrase to indicate that information has been verified by a source. As Ludwig AI highlights, it is common in both news and scientific contexts, lending credibility and authority to the statement. While it is a passive construction, it's useful for emphasizing the validation of information. Consider using active voice for directness when appropriate. When using this phrase, ensure the source of confirmation is credible and relevant to the information being presented to maintain the integrity of your writing.

FAQs

How can I use "was confirmed by" in a sentence?

Use "was confirmed by" to indicate that something has been verified or validated by a specific source. For example, "The study's findings were confirmed by additional research."

What are some alternatives to "was confirmed by"?

Depending on the context, you can use alternatives like "was verified by", "was validated by", or "was substantiated by".

Is it better to use active or passive voice when saying something "was confirmed by" a source?

While "was confirmed by" (passive voice) is grammatically correct, using active voice can sometimes make your writing more direct and engaging. For example, instead of "The results were confirmed by the study", you could say "The study confirmed the results."

What does it mean when something "was confirmed by" an expert?

When something "was confirmed by" an expert, it means that a knowledgeable and authoritative figure in a particular field has verified or validated the information, lending credibility to the statement.

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Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: