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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
had ascertained that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had ascertained that" is correct and usable in written English.
It can be used when indicating that someone has confirmed or established the truth or validity of something in the past. Example: "After thorough investigation, the detective had ascertained that the suspect was at the scene of the crime."
✓ Grammatically correct
News & Media
Science
Academia
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
21 human-written examples
Israel was careful to emphasize that it had ascertained that there was no Turkish or Egyptian involvement in the incident.
News & Media
The synod said it had ascertained that Metropolitan Volodymyr was definitely too ill to carry out his duties.
News & Media
By sneaking surreptitious looks at the better-dressed members of my yoga class, I had ascertained that a desirable brand was Prana.
News & Media
Sony product engineers had ascertained that customers preferred pictures with a particular color density, let's call it a nominal density of 10.
News & Media
Within minutes of checking in, Berlin radio announced their hotel room number because the unnamed informant "had ascertained that the duchess had informed von Ribbentrop of her itinerary, schedule, etc, prior to her departure from their villa".
News & Media
More significantly, a sergeant from the special investigation branch of the Royal Military police signed a statement in which he said that during his inquiries he had "ascertained that Military Personnel had fired from Springmartin Road".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
Contrary to traditional approaches, where total stresses are assumed to remain constant, recent studies have ascertained that total stresses in fact change in every direction as fluid extraction/injection disturbs the pore-pressure field and causes deformations.
In a database table, the column reporting this answer would start out with a value of null, and it would not be updated with "zero" until we have ascertained that Juan owns no books.
Wiki
Researchers have ascertained that partnerships which use third party interface show a higher contribution to TB case detection [ 41].
After he has ascertained that the ideas make sense, he bows out.
News & Media
Optimal outcomes have ascertained that the most optimal state of viscosity and thermal conductivity functions happens at the maximum temperature.
Expert writing Tips
Best practice
Use "had ascertained that" to convey a sense of thorough investigation and confirmation before reaching a conclusion. It adds credibility to your statement.
Common error
Avoid using "had ascertained that" in casual conversations or informal writing. Simpler alternatives like "found out" or "learned" are often more appropriate and natural.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had ascertained that" functions as a verb phrase indicating a completed action of finding something out with certainty. It is generally used to report or state a fact that has been established through investigation or careful consideration. As confirmed by Ludwig AI, the phrase is correct and usable in written English.
Frequent in
News & Media
32%
Science
32%
Academia
13%
Less common in
Wiki
5%
Encyclopedias
2%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "had ascertained that" is a grammatically sound phrase used to indicate that something was confirmed or established in the past. Ludwig AI confirms its correctness and usability. While common in formal writing, especially in news, scientific, and academic contexts, it should be used judiciously in informal settings. Alternatives like "had confirmed that" or "had determined that" can provide similar meanings, depending on the nuance you wish to convey. Remember to reserve "had ascertained that" for situations where you want to emphasize a thorough and conclusive investigation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
had verified that
Focuses on confirming the accuracy or truth of something.
had confirmed that
Emphasizes the validation of a fact or statement.
had determined that
Highlights the process of reaching a conclusion after investigation.
had established that
Suggests setting something on a firm or permanent basis.
had discovered that
Implies finding something previously unknown.
had found that
Indicates obtaining information through search or experience.
had learned that
Focuses on gaining knowledge through study or experience.
had concluded that
Highlights drawing a final judgment or decision.
had figured out that
Suggests solving a problem or understanding something complex.
had understood that
Implies grasping the meaning or significance of something.
FAQs
How can I use "had ascertained that" in a sentence?
Use "had ascertained that" to indicate that someone has confirmed or established the truth or validity of something in the past. For example: "After a thorough investigation, the detective "had ascertained that" the suspect was at the scene of the crime."
What can I say instead of "had ascertained that"?
You can use alternatives like "had confirmed that", "had determined that", or "had verified that" depending on the context.
Which is correct, "had ascertained that" or "ascertained that"?
"Had ascertained that" implies that the action of ascertaining occurred and was completed at some point in the past, while "ascertained that" can refer to a more recent discovery or a general truth. The choice depends on the specific timeline you are describing.
What is the difference between "had ascertained that" and "discovered that"?
"Had ascertained that" suggests a deliberate and thorough process of investigation leading to a confirmation, while "discovered that" implies a finding, often accidental or unexpected.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested