has not ascertained

USAGE SUMMARY

The phrase "has not ascertained" is correct and usable in written English.
It can be used when indicating that someone has not yet determined or discovered certain information or facts. Example: "The committee has not ascertained the final decision regarding the funding allocation."

✓ Grammatically correct

Academia

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

Many depressed women have a history of antisocial behavior, but research into maternal depression has not ascertained if this has implications for children of depressed mothers.

Duke University

Importantly, the present study has not ascertained the ultimate nonshared environmental mechanisms causing the initial differences in reading that may lead to intelligence gains.

Child Development

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

Researchers have not ascertained if human genes entered the Neanderthal population.

The New York Times - Science

"We have not ascertained whether the assertions are true," he told the Windy City Times in the interview.

The Guardian

During supervision we explored why Anne had not ascertained what the daughter knew about her mother's situation or what support she may need in her own right.

The Guardian

However, greater scrutiny revealed that its size (roughly 2.4 times larger) posed problems for scientists who have not ascertained whether it is rocky or gaseous.

Independent

He asked why Pistorius had not ascertained Steenkamp's wherabouts, why he had not verified who was in the toilet and why Steenkamp did not scream back from the toilet, among other questions.

The Guardian

But outside that limit (and yearly, as a new publication year is added to the archive), works would be added on an opt-out basis — the same basis that caused so much anger when Google did it, scanning thousands of works whose copyright information they had not ascertained.

TechCrunch

However, all of these studies have compared OCD and GTS patient groups and have not ascertained the prevalence of RB in GTS with regard to their 'tic-like' or 'OCD-like' characteristics, with the notable exception of Cath et al. [12], although a different etiology of 'compulsive' symptoms was hypothesised by several authors [11], [28].

Plosone

Studies examining phage tail assemblies [ 11] have not ascertained whether the source of tail characteristics has phylogenetic significance, indicating the likely existence of polyphylogeny within these phage groups [ 12].

BMC Genomics

I haven't ascertained if UEA washed the trunks before filing them.

The Guardian - Books

Expert writing Tips

Best practice

When using "has not ascertained", ensure the context clearly indicates what specific information or fact remains undetermined. For example, "The study has not ascertained whether the new drug is safe for long-term use."

Common error

Avoid using "has not ascertained" in casual conversation or informal writing. Opt for simpler alternatives like "doesn't know" or "hasn't found out" to maintain a natural tone.

Linguistic Context

The phrase "has not ascertained" functions as a verb phrase expressing a lack of certainty or a state of incompleteness regarding knowledge. It indicates that a particular fact or piece of information has not yet been definitively established or determined. Ludwig AI confirms this usability.

Expression frequency: Rare

Frequent in

Science

34%

News & Media

33%

Academia

33%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "has not ascertained" is a grammatically correct verb phrase used to indicate that something has not yet been determined or discovered. Ludwig AI confirms that the phrase is correct and usable in written English. While generally considered formal and scientific, the usage patterns show that it is mostly present across science, news, and academia contexts. When choosing alternatives, consider "has not determined" or "is still unknown" depending on the desired level of formality and context. This phrase should be avoided in informal conversation.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has not determined

Focuses on the lack of a definitive decision or conclusion.

has not established

Emphasizes the absence of proof or validation.

has not confirmed

Highlights the lack of verification of a fact or statement.

has not verified

Stresses the absence of checking for accuracy.

has not discovered

Focuses on the lack of finding or learning something new.

has not identified

Emphasizes the lack of recognition or naming something specifically.

has not figured out

Suggests a lack of understanding or solving a problem.

has not resolved

Highlights the lack of a solution to a problem or issue.

remains uncertain

Indicates a continuing state of doubt or ambiguity.

is still unknown

Emphasizes that information is currently unavailable or unrevealed.

FAQs

How can I use "has not ascertained" in a sentence?

Use "has not ascertained" when you want to state that something has not yet been determined or discovered. For example, "The cause of the accident "has not been ascertained"."

What can I say instead of "has not ascertained"?

You can use alternatives like "has not determined", "has not established", or "is still unknown" depending on the context.

Is "has not ascertained" formal or informal?

"Has not ascertained" is considered a more formal phrase. In informal contexts, simpler alternatives such as "doesn't know" or "hasn't found out" might be more appropriate.

What's the difference between "has not ascertained" and "has not confirmed"?

"Has not ascertained" implies that something is yet to be definitively determined or discovered, while "has not confirmed" suggests that something hasn't been verified as true or accurate. The subtle distinction lies in whether the focus is on determining something new versus verifying existing information.