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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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had ascertained that

Grammar usage guide and real-world examples

USAGE 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

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 New York Times

The synod said it had ascertained that Metropolitan Volodymyr was definitely too ill to carry out his duties.

News & Media

The Economist

By sneaking surreptitious looks at the better-dressed members of my yoga class, I had ascertained that a desirable brand was Prana.

Sony product engineers had ascertained that customers preferred pictures with a particular color density, let's call it a nominal density of 10.

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

The Guardian

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

The Guardian
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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.

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

The New York Times

Optimal outcomes have ascertained that the most optimal state of viscosity and thermal conductivity functions happens at the maximum temperature.

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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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Common

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.

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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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: