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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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he ascertained

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "he ascertained" is correct and usable in written English.
It can be used when indicating that someone has determined or found out something through investigation or inquiry. Example: "After reviewing the evidence, he ascertained the truth behind the allegations."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

11 human-written examples

Turnbull said his departmental secretary would report back to him after he ascertained the facts.

News & Media

The Guardian

In 1964 he ascertained that the T4 bacteriophage had a circular genetic map and that its DNA was circularly permuted.

"He ascertained the threat and he reacted," said Todd Rutherford, who is both Scott's lawyer and the Democratic state representative who helped write the law in 2006.

News & Media

The New York Times

In the driveway of the guesthouse, he ascertained the absence of Clem and Sheila before hurrying Sophie up the rickety steps, following her lurching bottom, the painful pinch of her flesh as it met her metal belt.

News & Media

The New Yorker

When he ascertained that the third act, long thought to be an unfinished sketch, was actually about three-fifths complete and cast an entirely new light on the opera, he protested publicly that Berg's publisher was repressing an important part of the work.

He ascertained that word of the meeting had in fact passed to Heseltine via a civil servant, and agreed a compromise using the ambiguity of the term "you" – to suggest this meant Lygo personally, not British Aerospace – but was left with "an unpleasant taste" and felt that relations with his board had been damaged.

News & Media

Independent
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Human-verified similar examples from authoritative sources

Similar Expressions

49 human-written examples

First he ascertains how far off the compass is; next he tracks down sources of distortion, most of which can be taken care of by a built-in compensator.

News & Media

The New Yorker

He ascertains that Justin doesn't adequately appreciate her — A. has access to the memories of whichever body he's borrowing — and that she deserves ardor on a much grander scale.

Before agreeing to make way, Williams said he had checked to make sure there was another National on the committee – given broadband is a significant political issue in the regions – but once he had ascertained Andrew Broad was a member he had stepped off willingly.

News & Media

The Guardian

He had ascertained their position from ships he had stopped along his journey, but unfamiliar with the local channels and shoals he decided to wait until the following morning to make his attack.

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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Expert writing Tips

Best practice

Use "he ascertained" when you want to emphasize that information was discovered through careful investigation or inquiry. It adds a touch of formality to your writing.

Common error

Avoid using "he ascertained" in casual conversation or informal writing. Simpler alternatives like "he found out" or "he learned" are often more appropriate.

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 "he ascertained" functions as a declarative statement where "he" is the subject and "ascertained" is the verb, indicating that the subject has discovered something through investigation. As Ludwig AI confirms, this construction is grammatically sound.

Expression frequency: Uncommon

Frequent in

News & Media

60%

Science

30%

Wiki

10%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "he ascertained" is a grammatically correct way to indicate that someone has determined something through investigation, as supported by Ludwig AI. It's most commonly found in News & Media and Science contexts and carries a neutral to formal tone. While acceptable, it's important to consider the context and avoid overuse in informal settings, opting for simpler alternatives when appropriate. Remember, using "he ascertained" implies a level of certainty achieved through inquiry, setting it apart from assumptions or beliefs without evidence.

FAQs

How to use "he ascertained" in a sentence?

Use "he ascertained" to indicate that someone determined something through investigation. For instance, "After reviewing the data, "he ascertained" the cause of the error".

What can I say instead of "he ascertained"?

You can use alternatives like "he determined", "he discovered", or "he found out" depending on the context.

Is "he ascertained" formal or informal?

"He ascertained" is generally considered a formal phrase. In informal contexts, simpler alternatives might be preferable.

What's the difference between "he ascertained" and "he assumed"?

"He ascertained" implies a degree of certainty achieved through investigation, whereas "he assumed" suggests a belief without concrete evidence. They represent different levels of confidence in the information.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: