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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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certify by

Grammar usage guide and real-world examples

USAGE SUMMARY

'certify by' is an acceptable phrase in written English and can be used in a variety of contexts.
For example, "The document must be certified by a notary public."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

13 human-written examples

They examined the share prices of 762 firms, 688 of which had to certify by August 14th and 74 that certified voluntarily, seeking out any impact of certification or non-certification.They found crucial differences between the 738 firms that provided a pro-forma certification, the 15 that certified using their own words and caveats, and the nine that failed to certify at all.

News & Media

The Economist

There may be times when the certifier is not in close proximity to the proxy and approval to certify by proxy is needed urgently to meet quarterly certification guidelines.

Only companies that operate on a calendar fiscal year had been required to certify by last Wednesday.

News & Media

The New York Times

The president would have to certify by July 1 that the Iraqi government had made progress toward those goals.

The administration sent letters to several jurisdictions this year asking them to certify by June 30 that they are in compliance with federal law.

Rejected 250 to 166, May 16. 3. Kosovo: Vote on an amendment to a defense authorization bill that requires the president to certify by April 1 , 2001 that the European allies are meeting their peacekeeping commitments in Kosovo.

News & Media

The New York Times
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Human-verified similar examples from authoritative sources

Similar Expressions

47 human-written examples

(1) It has been certified by the State certifying authority.

Certified by the American Board of Orthopaedic Surgery and American Board of Spine Surgeons.

News & Media

The New York Times

Organic*, certified by Ecocert.

News & Media

The Guardian

Service Learning Course (certified by Haas Center).

Cardinal Course (certified by Haas Center).

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Expert writing Tips

Best practice

When using "certify by", ensure clarity regarding who or what is doing the certifying and what standards are being met.

Common error

Avoid assuming that "certify by" automatically implies complete endorsement. Clearly state the specific aspects covered by the certification to prevent misinterpretations.

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

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "certify by" functions as a verb phrase where "certify" indicates the action of attesting to something's quality or meeting certain standards, and "by" introduces the agent or method of certification. Ludwig confirms its acceptability in written English.

Expression frequency: Uncommon

Frequent in

News & Media

40%

Academia

30%

Science

10%

Less common in

Wiki

10%

Formal & Business

10%

Reference

0%

Ludwig's WRAP-UP

In summary, "certify by" is a grammatically sound and widely used phrase, indicating that something has been officially validated. Ludwig confirms that "certify by" is an acceptable phrase. While not exceptionally common, it appears across various contexts, from news and academia to scientific publications. To enhance clarity, specify the certifying entity and the certification scope. Alternatives include "validate by" and "verify by". Be mindful to consider what aspects are covered by the certification to avoid misinterpretations.

FAQs

How can I use "certify by" in a sentence?

You can use "certify by" to indicate that something has been officially recognized or validated by a specific authority or standard. For example, "The product is "certified by" an independent testing laboratory".

What does it mean when something is "certified by" an organization?

It means that the organization has officially verified that the item meets their standards. The specifics of those standards will vary depending on the organization and the item in question.

Which is correct, "certified by" or "certify by"?

"Certified by" is the past participle form of the verb and is used when describing something that has already been certified. "Certify by" is the base form and is used when describing the act of certifying. For instance, "The results will be "certified by" the election commission".

What can I say instead of "certify by"?

You can use alternatives like "validate by", "verify by", or "attest by" depending on the specific context.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: