did not ascertain

USAGE SUMMARY

The phrase "did not ascertain" is correct and usable in written English.
It can be used when indicating that something was not determined or discovered. Example: "The investigators did not ascertain the cause of the accident despite extensive research."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"I have difficulty in appreciating why the accused did not ascertain the whereabouts of his girlfriend when he got out of the bed," Nair said.

The New Yorker

It is also most unfortunate that, prior to the expiration of the statute of limitations, the Bakers did not ascertain the identities of the officers who allegedly engaged in the conduct that is claimed to have violated their constitutional rights.

The New York Times

Mr. Bhatkal, who is believed to be in his 30s and traveled under a long list of pseudonyms, was detained years ago in Kolkata, but the police did not ascertain his true identity and he was released, Mr. Singh said.

The New York Times

In particular, we did not ascertain adoption of health information technology for medication order checking or decision support.

International Journal of Emergency Medicine

Thus, the result did not ascertain whether the same situation would be repeated in large privately owned mining companies that are not traded on the stock market.

International Journal of Corporate Social Responsibility

Tour et al. (2011) used graphene and modified graphene materials to stabilize shale formations during drilling operations, but they did not ascertain interaction mechanisms and did not provide experimental data to show the plugging capability of these graphene materials.

Petroleum Science

Unfortunately, the questionnaire did not ascertain when measures were implemented, making it impossible to determine whether households adopted measures before or after the latest and/or most serious case of run-off.

International Journal of Disaster Risk Science

The survey did not ascertain the age or circumstances of the immigrant entrepreneurs' arrival in the United States but found foreign-born founders generally to be "deeply rooted" in the United States, Hart said.

Science Magazine

We did not ascertain if individuals actually received their CD4 counts.

Plosone

Finally, we did not ascertain whether the patients were receiving treatment elsewhere other than the HIV clinic.

Plosone

We did not ascertain vaccination status of study participants.

Emerging Infectious Diseases

Expert writing Tips

Best practice

Use "did not ascertain" when you want to formally express that a piece of information could not be definitively established or determined through investigation or analysis.

Common error

While "did not ascertain" is appropriate in formal contexts, consider using simpler alternatives like "didn't find out" or "didn't determine" in less formal writing to maintain a natural tone.

Linguistic Context

The phrase "did not ascertain" functions as a verb phrase, indicating a lack of confirmation or discovery of a particular fact or piece of information. Ludwig shows numerous examples in scientific and news contexts, where the phrase denotes an absence of definitive findings.

Expression frequency: Very common

Frequent in

Science

79%

News & Media

15%

Formal & Business

6%

Less common in

Ludwig's WRAP-UP

In summary, the phrase "did not ascertain" is a formal expression used to indicate that something was not determined or discovered. Ludwig AI confirms its grammatical correctness and frequent use, particularly in scientific and news contexts. While it is appropriate for formal writing, simpler alternatives may be preferred in less formal settings. Understanding its function, purpose, and register helps ensure its effective use in conveying a lack of definitive findings. Common alternative phrases are "did not determine" and "did not discover".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

did not determine

Focuses on the lack of a definitive conclusion or decision.

did not discover

Highlights the absence of finding something that was previously unknown.

failed to ascertain

Emphasizes the failure in the attempt to find something out.

did not establish

Indicates that something was not proven or confirmed.

did not confirm

Focuses on the absence of verification or validation.

did not verify

Emphasizes the lack of checking or proving the truth of something.

did not investigate

Highlights the absence of a systematic inquiry or examination.

did not examine

Focuses on the lack of a detailed inspection or study.

did not assess

Emphasizes the lack of evaluation or judgment.

were unable to ascertain

Highlights the inability to determine or find something out.

FAQs

How can I use "did not ascertain" in a sentence?

You can use "did not ascertain" to indicate that something was not discovered or determined. For instance, "The study "did not ascertain" whether the patients were receiving treatment elsewhere."

What can I say instead of "did not ascertain"?

You can use alternatives like "did not determine", "did not discover", or "failed to ascertain" depending on the context.

Is "did not ascertain" formal or informal?

"Did not ascertain" is considered a formal phrase. In informal contexts, consider using simpler alternatives such as "didn't find out" or "didn't determine".

What's the difference between "did not ascertain" and "did not assess"?

"Did not ascertain" implies a failure to establish something as fact, while "did not assess" indicates a lack of evaluation or judgment. Ascertaining is about finding out, whereas assessing is about evaluating.