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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I certified that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I certified that" is correct and usable in written English.
It can be used when you are affirming or attesting to the truth of a statement or document. Example: "I certified that the information provided in the application is accurate and complete."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
I verified that
I confirmed that
I affirmed that
I guaranteed that
I vouched that
I declared that
I assured that
I validated that
I attest that
I confirm that
I demonstrated that
I reflected that
I recognised that
I identified that
I issued that
I satisfied that
I acknowledged that
I attributed that
I specified that
I indicated that
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
But Warrenville was in the town of Ashford, for which I had no guide, and I remember the blissful sense of resolution I felt when I certified that Route 44A crossed Route 89 in the town center, for I had long hypothesized that they might meet there.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
I certify that [my] report does not incorporate without acknowledgement any material previously submitted for a degree or diploma in any university and to the best of my knowledge and benefit it does not contain any material previously published or written by another person except where due reference is made in the text.
News & Media
I have no stake in the sale of the business, nor do I certify that any of the information about the business presented is accurate.
News & Media
As with my earlier posts on businesses for sale, I have no stake in the sale of the business, nor do I certify that any of the information about the business presented is accurate.
News & Media
"Your daughter has not signed her name, and the counter-signature on the back of the photograph says 'I certify that this is a true likeness of' but does not say who it is a true likeness of".
News & Media
Before submitting a review, users must check a box stating, "I certify that this review is based on my own experience and is my genuine opinion of this community, and that I have no business relationship with this community and have not been offered any incentive from this community to write this review.
News & Media
I certify that all resources used and all help received in this research has been acknowledged.
Science
I certify that no funding has been received for the conduct of this study and/or preparation of this manuscript.
Science
I certify that the research described in the paper has not been submitted for any other publisher.
Science
"I certify that the facts on this Employment Application (and any supplements attached) are true and complete.
News & Media
It will require that advertisers and the agencies representing them pledge that "I certify that I have permission to use this data", she said.
News & Media
Expert writing Tips
Best practice
When using "I certified that", ensure you have the authority or basis to make such a declaration, as it implies a high degree of confidence and accuracy.
Common error
Avoid using "I certified that" when you lack sufficient evidence or authority to make such a definitive statement. Use phrases like "I believe that" or "I understand that" if your level of certainty is lower.
Source & Trust
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I certified that" functions as a declarative statement. It is used to formally assert or confirm something. Ludwig AI shows it's used in different contexts to validate a statement or attest the veracity of data.
Frequent in
News & Media
42%
Science
40%
Wiki
11%
Less common in
Formal & Business
3%
Reference
2%
Encyclopedias
2%
Ludwig's WRAP-UP
In summary, the phrase "I certified that" is a declarative statement used to formally affirm the truth or accuracy of something. Ludwig AI analysis indicates it is most frequently encountered in News & Media and Scientific contexts, with a generally neutral to professional register. When employing this phrase, ensure you have adequate grounds for such assurance. Alternatives like "I attested that" or "I confirmed that" can provide similar meanings. Avoid using "I certified that" when lacking sufficient evidence to support the statement.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I affirmed that
Replaces "certified" with "affirmed", indicating a strong declaration of truth.
I verified that
Uses "verified" instead of "certified", suggesting a confirmation of accuracy through investigation.
I attested that
Replaces "certified" with "attested", implying a formal declaration of truth.
I confirmed that
Uses "confirmed" instead of "certified", indicating a validation of a statement or fact.
I guaranteed that
Replaces "certified" with "guaranteed", suggesting a strong assurance of a particular outcome.
I vouched that
Uses "vouched" instead of "certified", implying strong support for the truth or reliability of something.
I declared that
Replaces "certified" with "declared", indicating a formal announcement or statement.
I warranted that
Uses "warranted" instead of "certified", implying a guarantee or assurance of a specific quality or outcome.
I assured that
Replaces "certified" with "assured", conveying a sense of confidence and certainty.
I validated that
Uses "validated" instead of "certified", suggesting a confirmation of something's correctness or legitimacy.
FAQs
How can I use "I certified that" in a sentence?
Use "I certified that" to formally declare the truth or accuracy of something, for example: "I certified that the documents provided are authentic."
What's a good alternative to "I certified that"?
You can use alternatives like "I attested that", "I verified that", or "I confirmed that" depending on the specific context.
Is "I certified that" formal or informal?
"I certified that" is relatively formal but appropriate in a range of professional, academic, and legal contexts. The level of formality will also depend on the context.
What does it mean when someone says "I certified that"?
It means the person is formally declaring or confirming the truth, accuracy, or validity of something. It indicates a high level of certainty and responsibility.
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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
4.3/5
Expert rating
Real-world application tested