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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
do hereby certify
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "do hereby certify" is correct and usable in written English.
It is typically used in formal documents to affirm or confirm the authenticity of a statement or fact. Example: "I do hereby certify that the information provided in this document is accurate to the best of my knowledge."
✓ Grammatically correct
News & Media
Science
Wiki
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
1 human-written examples
Annotated in the back, along with the seal of the Supreme Court, is the following: "I, William Thomas Carroll, clerk of the said court do hereby certify that the preceding copy of the Holy Bible is that upon which the Honble.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
now, therefore, I, Mary Fallin, Governor, do hereby proclaim October 13, 2016, as 'Oilfield Prayer Day' in the state of Oklahoma".
News & Media
"I do hereby declare that I am a whole and complete human being," she wrote on a official-looking form.
News & Media
LISSA: I, the undersigned, do hereby swear to give up lying to others and/or myself for the remaining -- what is it?
News & Media
Still, it's no fun to listen to him shout, "We do hereby declare reality unkempt by the changing standards of dialogue".
News & Media
"I... do hereby name all you creatures flying around in the sky — flyers," he says, when commanded by God to name the earth's creatures.
News & Media
(Stanford's employee contract said "I agree to assign," while Roche's said, "I … do hereby assign").
Science & Research
For this reason, I withhold my approval of House Bill 265 and do hereby veto the same.
News & Media
We the people of the United States of America do hereby firmly reject the Obama Administration as our ruling body.
News & Media
Now, Therefore, I, Ronald Reagan, President of the United States of America, do hereby proclaim the month of June 1986 as Youth Suicide Prevention Month.
News & Media
"I hereby certify," it said, "that I authorize Mr Peter Pannu, the Acting Chairman of BCFC, to enter into, execute, deal in or with any contracts in relation to loan agreements, property deals, and any businesses deals [sic], any financial arrangements, in relation to the football club whilst in the capacity as Acting Chairman or Vice Chairman".
News & Media
Expert writing Tips
Best practice
Use "do hereby certify" in formal contexts such as legal documents, official statements, or certifications to add weight and formality to your affirmation.
Common error
Avoid using "do hereby certify" in casual or informal communication. Opt for simpler alternatives like "I confirm" or "I certify" to maintain a natural tone.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "do hereby certify" functions as a performative utterance, which is used to enact or affirm something formally. Ludwig AI confirms that this phrase is correct and usable in written English, typically in formal contexts.
Frequent in
News & Media
35%
Science
33%
Wiki
15%
Less common in
Formal & Business
7%
Encyclopedias
5%
Social Media
5%
Ludwig's WRAP-UP
The phrase "do hereby certify" is a formal expression used to affirm or confirm the truth or authenticity of a statement, predominantly in legal or official contexts. Ludwig AI indicates that it's grammatically correct and appropriate for use in formal settings. The phrase appears most frequently in News & Media and Science, indicating its common usage in authoritative sources. For less formal situations, consider alternatives like "I officially certify" or "I confirm". Remember that overuse in casual contexts can sound unnatural.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I officially certify
Replaces "do hereby" with "officially", emphasizing the formal nature of the certification.
I attest
Uses a more concise and direct verb, 'attest', to declare something is true or genuine.
I confirm
Offers a simpler and less formal alternative to 'certify', suitable for various contexts.
I warrant
Implies a guarantee or assurance of the truth or accuracy of something.
I verify
Focuses on the act of checking and confirming the accuracy of information.
I declare under penalty of perjury
Adds a legal weight to the declaration, emphasizing the seriousness of the statement.
I give my assurance
Shifts the focus to providing a personal guarantee or promise.
I vouch for
Implies personal endorsement and confidence in the accuracy or truth of something.
I guarantee
Indicates a firm promise or assurance, often with legal or contractual implications.
I state on oath
Emphasizes that the statement is made under oath, adding a high level of formality and legal significance.
FAQs
What is the purpose of using "do hereby certify"?
The phrase "do hereby certify" is used to formally affirm or confirm the authenticity of a statement or fact, often in legal or official contexts.
When is it appropriate to use "do hereby certify"?
Use "do hereby certify" in formal documents, legal statements, or official certifications. It's best suited for situations where a high degree of formality and assurance is required.
What can I say instead of "do hereby certify"?
You can use alternatives like "I officially certify", "I attest", or "I confirm" depending on the context.
Is "I hereby certify" the same as "do hereby certify"?
Yes, the phrase "I hereby certify" is very similar in meaning and usage to "do hereby certify". Both are used to make a formal and emphatic declaration. The inclusion of "do" adds a touch of emphasis but doesn't fundamentally change the meaning.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested