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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I confirmed that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I confirmed that" is correct and usable in written English.
You can use this phrase to refer to something being verified or confirmed. For example: "I confirmed that the order had been placed and shipped."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
I guaranteed that
It was confirmed that
I was able to confirm that
I informed that
I checked that
I saw to it that
I validated that
I concluded that
I acknowledged that
I identified that
I reiterate that
I indicated that
I recognized that
I ensured that
I confirming that
I persuaded that
I determined that
I verified that
I reasserted that
I certify 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
47 human-written examples
I confirmed that indeed there was – the Trades Club.
News & Media
Henry Gwyn Jeffreys Moseley, a young English physicist killed in World War I, confirmed that the positive charge on the nucleus revealed more about the fundamental structure of the atom than Mendeleyev's atomic mass.
Encyclopedias
Diatom and bacterial density, and biofilm-covered RDE surface analyses (i) confirmed that microbial accrual resulted in biofilm formation on the RDE surface, and (ii) indicated that thickness and elasticity represent useful integrative parameters of biofilm architecture that could be measured on natural river assemblages using the proposed electrochemical method.
Science
The diastereotopic splitting of protons H i confirmed that the two faces of each ligand were in different environments, an inherent property of an interwoven 2×2 grid.
Pattern (i) confirmed that hybridizations were not due to historic admixture in the source populations, but must have occurred after the onset of reintroductions to Germany ∼20 25 years ago.
Science
I confirmed that this incident would be reported".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
12 human-written examples
From simulation results, I confirm that behaviour-based algorithm is better than zigzag and random algorithms.
Science
I confirm that satisfactory revisions have been made, thanks.
Science
Can I get $100?' " Payton confirmed that story.
News & Media
"I confirm that I had contact with Fuentes," Ullrich said on his Web page.
News & Media
He told us after taking instructions: "I confirm that I am not authorised by my client to provide any information".
News & Media
Expert writing Tips
Best practice
When using "I confirmed that", ensure that you have a credible basis for the confirmation. Providing the source of your confirmation strengthens your statement.
Common error
Avoid using "I confirmed that" when you only have partial or uncertain evidence. Reserve it for situations where you have strong, reliable proof.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I confirmed that" functions as an independent clause introducing a statement of verification. It asserts that the speaker has established the truth or validity of something. Ludwig AI confirms this with numerous examples.
Frequent in
News & Media
50%
Science
30%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
2%
Reference
3%
Ludwig's WRAP-UP
In summary, "I confirmed that" is a grammatically sound phrase used to assert that the speaker has verified the truth of something. As noted by Ludwig AI, this phrase is most commonly found in News & Media and Scientific contexts, indicating its utility in reporting verified facts. While it maintains a neutral register suitable for various situations, it's essential to ensure a credible basis for the confirmation and avoid overstating the evidence. Consider related phrases like "I verified that" or "I ascertained that" for nuanced expression. Keep in mind that using such structures will improve the accuracy and reliability of your statements.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I verified that
Replaces "confirmed" with "verified", implying a more rigorous or formal check.
I was able to confirm that
Adds "was able to", emphasizing the ability or effort involved in confirming something.
I ascertained that
Uses "ascertained", suggesting a more careful or thorough investigation to confirm something.
I determined that
Employs "determined", indicating a conclusion reached after consideration.
I established that
Uses "established" to suggest setting something on a firm or permanent basis.
I affirmed that
Replaces "confirmed" with "affirmed", emphasizing a strong and public declaration.
I validated that
Uses "validated", which implies confirmation of accuracy or legitimacy.
It was confirmed that
Shifts the focus from the speaker to the fact that something was confirmed, often by an external source.
I corroborated that
Employs "corroborated", indicating confirmation through additional evidence or sources.
I substantiated that
Substituted for the query phrase, this is implying that you provided evidence to support that.
FAQs
What can I say instead of "I confirmed that"?
You can use alternatives like "I verified that", "I ascertained that", or "I determined that" depending on the context.
How do I use "I confirmed that" in a sentence?
Use "I confirmed that" to state that you have verified something. For example: "I confirmed that the meeting is scheduled for tomorrow."
Is "I confirmed that" formal or informal?
"I confirmed that" is generally neutral in tone and can be used in both formal and informal contexts. The formality depends more on the surrounding language.
What is the difference between "I confirmed that" and "I believed that"?
"I confirmed that" indicates verification of a fact, while "I believed that" expresses a personal opinion or conviction without necessarily having proof. It indicates that you have verified or substantiated something, whereas the other means you hold something to be true or genuine.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested