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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
CEO of Professional Science Editing for Scientists @ prosciediting.com
be confirmed by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be confirmed by" is correct and usable in written English.
It can be used when indicating that something needs to be validated or verified by a specific person or authority. Example: "The results of the experiment must be confirmed by the lead researcher before publication."
✓ Grammatically correct
News & Media
Science
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
60 human-written examples
Cover charges should be confirmed by phone.
News & Media
All of them must be confirmed by the Senate.
News & Media
The nomination must be confirmed by the Senate.
News & Media
Bercow's appointment has to be confirmed by the Queen.
News & Media
Board members must generally be confirmed by the State Senate.
News & Media
Mr. Reilly still must be confirmed by the County Legislature.
News & Media
Full panel to be confirmed by end of September.
News & Media
The appointments must be confirmed by the City Council.
News & Media
The French coach's view seemed to be confirmed by Munster's.
News & Media
Brummell replied: "The evidence had to be confirmed by someone".
News & Media
The report could not be confirmed by Reuters.
News & Media
Expert writing Tips
Best practice
When using "be confirmed by", ensure the entity doing the confirming is clearly identified to avoid ambiguity. For example, "The data must be confirmed by the research team."
Common error
Avoid using "be confirmed by" excessively in contexts where an active voice would be more direct and engaging. For example, instead of "The report will be confirmed by the committee", consider "The committee will confirm the report".
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be confirmed by" functions primarily as a passive verb phrase, indicating that a subject's validity or accuracy is being verified or endorsed by an external agent. Ludwig examples demonstrate its use across various domains, showing that information, appointments, and results need to be confirmed.
Frequent in
Science
44%
News & Media
41%
Formal & Business
7%
Less common in
Wiki
2%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "be confirmed by" is a versatile and commonly used passive verb phrase that indicates the necessity of validation or verification from a specific source. Ludwig's examples highlight its frequent use across news, media, and scientific contexts. Ludwig AI marks it as grammatically correct and it is advisable to use it when emphasizing the need for external endorsement or when the actor is less important than the action. To avoid overuse of the passive voice, consider active voice alternatives where appropriate. Remember to clearly identify the entity doing the confirming to maintain clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
be verified by
Focuses on the verification aspect, ensuring accuracy or correctness through external validation.
be validated by
Emphasizes the act of confirming the validity or legitimacy of something.
be ratified by
Implies formal approval or sanctioning, often by an official body or authority.
be endorsed by
Suggests active support or recommendation from a recognized entity.
be substantiated by
Highlights that something is supported by evidence, making it more credible.
be authenticated by
Centers on confirming the genuineness or originality of something.
be attested by
Implies that something is confirmed or proven by testimony or evidence.
be corroborated by
Focuses on confirming the truth or accuracy of something through multiple sources or pieces of evidence.
be affirmed by
Highlights that something is stated firmly and publicly to be true.
be borne out by
Indicates that something is supported or confirmed by facts or evidence.
FAQs
How can I use "be confirmed by" in a sentence?
Use "be confirmed by" when you want to indicate that something needs validation or verification from a specific source. For example, "The initial findings must "be verified by" further research".
What are some alternatives to "be confirmed by"?
Alternatives include phrases like ""be verified by"", "be validated by", or "be ratified by", depending on the specific context and the nuance you want to convey.
When is it appropriate to use "be confirmed by" instead of a more direct active voice?
Use "be confirmed by" when the action is more important than the actor or when the actor is unknown or less relevant. However, using the active voice often results in clearer and more concise writing.
Is "be confirmed by" formal or informal?
The phrase "be confirmed by" is generally considered neutral and can be used in both formal and informal contexts, although more formal situations may benefit from stronger, more precise language.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested